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Revision 11 by tony, Tue Oct 9 08:10:32 2012 UTC vs.
Revision 156 by tony, Wed Feb 28 11:14:15 2018 UTC

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1 + IBX Change Log  version                                                       (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
2 +
3 + NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
4 + AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
5 + RELEASE.
6 +
7 + NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
8 +
9 + 1. IBExtract: Identity columns - add additional check for null column for generator name.
10 +
11 + 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
12 +   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
13 +   information). However, this is also a very useful mechanism for returning updated computed by
14 +   column values. Values returned as a result of executing an Insert or Update statement
15 +   replace existing values in the current row for each corresponding column.
16 +
17 +   Previously, if a dataset's select query included read only (computed by) fields then
18 +   an automatic row refresh was performed after an insert or update query had been processed,
19 +   irrespective of the setting of the "ForcedUpdates" property. This has changed such
20 +   that an automatic refresh is no longer performed if an insert or update query contains
21 +   a returning clause that updates one or more fields on the current row. A full row
22 +   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
23 +   field values and the select query contains read only fields. Use of Insert/update
24 +   returning should be significantly more efficient than executing a refresh query.
25 +
26 +   This behaviour change is intended to be backwards compatible and there should be no need to change
27 +   existing programs, other than to improve performance by using the new capability.
28 +
29 + 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
30 +   they are called when the dataset row is being deleted, there is no value in
31 +   updating the current record from the query result. Instead, a new event handler
32 +   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
33 +   an OnDeleteReturning event handler is provided then it is called with the IResults returned
34 +   by the query. The event handler can then interrogate the query results and
35 +   perform whatever action is necessary. For example to confirm, to the user,
36 +   the deletion of a row with the returned values.
37 +
38 + 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
39 +   any Computed By or Identity Columns. The IBTables example has been updated to
40 +   illustrate the computation of the employee Full Name on update.
41 +
42 + 5. TIBTable: The GeneratorField property is now published.
43 +
44 + 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
45 +   When InsertSQL is generated, the Identity columns are not included in the list of values to
46 +   be inserted. A RETURNING clause is added to the insert statement to return the value of
47 +   each Identity column after the insert is executed.
48 +
49 + 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
50 +   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
51 +   Insert..Returning clause.
52 +
53 + 8. TIBGenerator: small performance improvement by not preparing query each time
54 +   a new value is generated.
55 +
56 + 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
57 +
58 + 10. Property editors will now sync table name to a System Table when "Include System
59 +    Tables" is selected and the query is for a System Table.
60 +
61 + 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
62 +    values are no longer converted to milliseconds from TDateTime and then back again
63 +    to TDateTime (the conversion to milliseconds is the default TDataset approach).
64 +
65 + 12. Property Editors handling of Stored Procedures.
66 +    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
67 +      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
68 +      query).
69 +    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
70 +
71 + 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
72 +    can be used to select a package. If non-empty, the stored procedure name is
73 +    expected to be a stored procedure defined in the specified package and the
74 +    generated SQL will be as required for a stored procedure located in a package.
75 +
76 + 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
77 +    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
78 +    which a stored procedure can be selected. With no package name selected, non-package
79 +    stored procedures are listed.
80 +
81 + 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
82 +    for password on reconnect.
83 +
84 + 16. TIBDatabase: use IAttachment for connection default character set id, code page
85 +    and character set name.
86 +
87 + 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
88 +    DB info lookups"
89 +
90 + 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
91 +
92 + 19. Add a property Editor for TIBUpdate.RefreshSQL.
93 +
94 + 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
95 +    parameters. This stops an exception being raised when the field cannot be
96 +    located in the record buffer.
97 +
98 + 21. Property Editors now automatically include System Tables when opened and when the query table
99 +    is a System Table.
100 +
101 + 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
102 +    This avoids errors due to a stale SQRB or SRB being used for the next query.
103 +
104 + 23. IBServices: Service attach parameters now include "expected_db". This is used to
105 +    add the SPB item isc_spb_expected_db. This names a database using
106 +    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
107 +    database. examples/services re-written to illustrate use of "expected_db".
108 +
109 + 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
110 +    This avoids truncated backups when the server returns a timeout (busy) response.
111 +
112 + 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
113 +
114 + 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
115 +    databasenames. These are respectively expanded to the local system's temp directory
116 +    (including trailing delimiter) or to a prescribed data directory (including
117 +    trailing delimiter). Under Unix systems the data directory is a hidden directory
118 +    in the user's home directory. The hidden directory name is either the string returned
119 +    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
120 +    Under Windows, the directory is the same as the Data Directory as decribed
121 +    above but instead prefixed by the User's application data path. These may be
122 +    used to improve application portability for Personal Databases.
123 +
124 + 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
125 +    this has not worked for a long time and is not useful either. FieldDefs should be
126 +    managed using the Fields Editor as with any other dataset. To access the fields
127 +    editor for a TIBTable component, double click on the component. The fields editor
128 +    is then displayed.
129 +
130 + 28. TIBDatabaseInfo: new properties/function
131 +     * DateDBCreated (returns date/time database created)
132 +     * TransactionCount (returns no. of active transactions)
133 +     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
134 +     * PagesFree (Firebird 3 or later)
135 +     * PagesUsed (Firebird 3 or later)
136 +     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
137 +     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
138 +
139 + 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
140 +
141 + 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
142 +
143 + 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
144 +    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
145 +
146 + 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
147 +    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
148 +    firing during backup and restore.
149 +
150 + 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
151 +    for verbose output using the new property "StatisticsRequested".
152 +    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
153 +
154 + 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
155 +
156 + 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
157 +    palette. This uses the online validation feature added in Firebird 2.5. The
158 +    services's properties enable inclusion/exclusion of tables and indexes using
159 +    regular expressions. See.
160 +    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
161 +
162 + 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
163 +    option on a database.
164 +
165 + 37. TIBCustomService: Assign method implemented to allow copying of service login
166 +    context between service API components. "Detach" method now only detaches
167 +    service when last reference to the service interface detaches. Tidy up of
168 +    code for SetActive and Attach methods including password hiding.
169 +
170 + 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
171 +    and used to determine the auth method and protocol used for the connection.
172 +
173 + 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
174 +    a Create Database Statement generated by IBX.
175 +
176 + 40. All IBServices now have an additional published property "PortNo". This may
177 +    be set to a non-standard port number when necessary. If zero then the default
178 +    port number is used.
179 +
180 + 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
181 +    and not just the mouse.
182 +
183 + 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
184 +
185 + 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
186 +    image index and selected image index for each node to be set from a database field.
187 +
188 + 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
189 +    then database schema includes grants to all users. If not present then the
190 +    only user grants included are those to User PUBLIC.
191 +
192 + 45. TIBTreeView: performance improvement. When expanding include both expanded node
193 +    and child nodes in dataset.
194 +
195 +
196 + IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
197 +
198 + 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
199 +   changes.
200 +
201 + 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
202 +   Bug could result in truncated multi-byte character set values.
203 +
204 + 3. Changes consequential on moving fbintf character set utility functions from
205 +   IFirebirdAPI to IAttachment.
206 +
207 + 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
208 +
209 + 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
210 +   results in autocomplete ignoring prefix text.
211 +
212 + 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
213 +   entering a new name into the text box.
214 +
215 + 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
216 +   Firebird rather than recomputing it.
217 +
218 + 8. Property Editor positioning tidy up: All IBX Property editors should now be
219 +   screen centre. Previously some were "poDesigned" which may be inappropriate
220 +   for multi monitor desktops.
221 +
222 + 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
223 +
224 + 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
225 +    a transaction and always reset the object.
226 +
227 + 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
228 +
229 + 13. TIBXScript: Allow for override of database filename in Create Database statements.
230 +
231 + 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
232 +    to a gbak format archive.
233 +
234 + 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
235 +
236 + 16. IBLocaldb: Drop database if error creating an empty database.
237 +
238 + 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
239 +    unless selected node not in current dataset.
240 +
241 + 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
242 +    to TIBCustomService, and IBlocalDB code tidy up.
243 +
244 + 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
245 +    behaviour due to uninitialised variable.
246 +
247 + 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
248 +    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
249 +
250 + 21. IBSQL: When Database changed ensure that all resources are freed.
251 +
252 + 22. IBCustomDataset: When database changed ensure that queries an unprepared.
253 +
254 + 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
255 +    * Line Wrap on SQL Token boundaries (on user command)
256 +    * auto-complete table names in drop down list of table names
257 +    * Double click on tablename or field name adds to SQL text
258 +
259 + 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
260 +
261 + 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
262 +    TVariantArray. Seems to avoid memory corruption in Windows (probably a
263 +    workaround for a problem in fpc 3.0.4 win64).
264 +
265 + 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
266 +
267 + 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
268 +
269 + IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
270 +
271 + 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
272 +   include remote system name.
273 +
274 + 2. TIBExtract: No longer include comment header and COMMIT statement for empty
275 +   tables when data included in output.
276 +
277 + 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
278 +   and timing information to be written to stdout. This may be used to locate
279 +   performance bottlenecks.
280 +
281 + 4. SQLParser: only call "OnChanging" event handler when value is different.
282 +
283 + 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
284 +
285 + 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
286 +   that BindFields is called when the query is next activated. Avoids FieldName
287 +   not found error.
288 +
289 + 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
290 +   purpose and allows the programmer to define any action they want for Update, Insert
291 +   or Delete. This may be complex SQL (similar to a Trigger), application specific
292 +   filtering of updates, or use of statements such as Grant or Revoke instead of
293 +   normal DML. See User Manual for more information.
294 +
295 + IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
296 +
297 + 1. TIBEvents: Fix uninitialised variable that could result in lost events.
298 +
299 + 2. TIBExtract: Added support for FB3 "USAGE" privilege.
300 +
301 + 3. TIBExtract: data formatted as Charset set "octets" is now output using
302 +   hexadecimal notation.
303 +
304 + 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
305 +   using a simple XML format.
306 +
307 + 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
308 +   grants to these objects.
309 +
310 + 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
311 +   dependency problems restoring complex databases.
312 +
313 + 7. TIBXScript: This component has been restructured to allow for the processing of
314 +   embedded XML in INSERT statements and to support interactive sources in addition
315 +   to non-interactive data sources such as files.
316 +
317 + 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
318 +
319 + 9. TIBXScript: ISQL compatiable Set statements are now supported:
320 +   SET SQL DIALECT
321 +   SET TERM
322 +   SET AUTODDL
323 +   SET BAIL
324 +   SET ECHO
325 +   SET COUNT
326 +   SET STATS
327 +   SET NAMES <character set>
328 +
329 + 10. IBVersion unit added to hold current IBX Version Number information.
330 +
331 + 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
332 +    and domain definitions.
333 +
334 + 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
335 +    fully supported.
336 +
337 + 13. TIBExtract: when a database dump includes data, the generator values are now also set.
338 +
339 + 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
340 +
341 + IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
342 +
343 + See also doc/IBX4LazarusGuide.pdf for important information on
344 + upgrading to IBX2.
345 +
346 + 1. Size property of TIBStringField is now the width in characters of the field
347 +   and not the byte length. This applies only to multi-byte character sets such
348 +   as UTF8. The original approach aligned with TStringField. However, the TStringField
349 +   code is not recognised as a bug and hence this change to align the behaviour.
350 +   The TStringField change is expected in fpc 3.2.0.
351 +
352 + 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
353 +   true (default) then Size property value saved in the lfm is ignored. Size is
354 +   always set from the dynamic information read from the database. It is unclear
355 +   why anyone would want to override this and set Size to false.
356 +
357 + 3. ibxscript: should now handle correctly a Case..End statement within a procedure
358 +   block.
359 +
360 + 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
361 +   exist when an attempt is made to connect to it (run time only) then an attempt
362 +   is made to create the database.
363 +
364 + 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
365 +   has been successfully created as a result of a call to CreateDatabase or when
366 +   creating a database after it was found not to exist.
367 +
368 + 6.  DBControlGrid: a race condition could result in the wrong row image being
369 +    written to the cache. This has been avoided by a trip round the message
370 +    loop before rendering the row image.
371 +
372 + 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
373 +    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
374 +    known to risk corrupt rendering of row images when the control is first
375 +    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
376 +    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
377 +
378 + 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
379 +    a TDateEdit control located on an editor panel.
380 +
381 + 9.  TIBExtract: brought up-to-date plus many bug fixes.
382 +
383 + 10. DBControlGrid: Removed memory leak when updating rows.
384 +
385 + 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
386 +
387 + IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
388 +
389 + 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
390 +   when target codepage is CP_NONE. This is a workaround for
391 +   http://bugs.freepascal.org/view.php?id=30622.
392 +
393 + 2. DBLog option removed from TIBStatisticalService - not supported by server
394 +   since Firebird 1.5.
395 +
396 + 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
397 +   similar.
398 +
399 + 4. IBCodePage: updated mapping between codepages and character id.
400 +
401 + 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
402 +   Firebird. Character sets with a char width of two are not UTF16.
403 +
404 + 6. Strings received from the database are now always transliterated into UTF8
405 +   regardless of the database character set or connection character set. This
406 +   is for compatibility with the LCL.
407 +
408 + IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
409 +
410 + 1. IBBlob: Defer reading of blob until read method called. This avoids having to
411 +   read in an entire blob just to get the size of the blob. General performance
412 +   improvement when opening datasets containing blobs.
413 +
414 + 2. Clearing a  Blob now sets the corresponding field's modified flag.
415 +
416 + 3. IBLookupCombo: When not performing auto-complete, original query sort order
417 +   is now used.
418 +
419 + 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
420 +   determined.
421 +
422 + 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
423 +
424 + 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
425 +   lazarus 1.6.0
426 +
427 + 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
428 +   compilation error.
429 +
430 + IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
431 +
432 + 1. No character set specified for connection: when a text blob is retrieved, the
433 +  character set is determined by looking up the native character set using then
434 +  Firebird API. Otherwise a text mode blob is assumed to have the same character
435 +  set as the connection.
436 +
437 + 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
438 +   for Login Dialog returing a change to the database path.
439 +
440 + 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
441 +   to be changed from that given in the TIBDatabase/TIBServer component and for the
442 +   entered value to be saved on a project specific basis (design time only).
443 +
444 + 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
445 +   column fieldname. If they are the same then it is acts as a look up for the KeyValue
446 +   Otherwise, it sets the column text to the selected ListField Value.
447 +
448 + 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
449 +   column width.
450 +
451 + 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
452 +   and a case insensitive search is requested.
453 +
454 + 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
455 +   or column ListSource.
456 +
457 + 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
458 +   unprepare) when closing and the text has not changed.
459 +
460 + 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
461 +   Less likely to cause a cursor re-use error on Windows.
462 +
463 + 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
464 +   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
465 +
466 + 11. TIBTreeView: Guard against nil destination on record changed
467 +
468 + 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
469 +    string type with the code page set to reflect the returned field encoding after
470 +    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
471 +    earlier versions.
472 +
473 + 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
474 +    will now result in transliteration to the code page specified for the Firebird driver
475 +    if the assigned string has a different code page. FPC 3.0.0 onwards only.
476 +
477 + 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
478 +    is ignored and the lc_ctype value, when the database is opened, is set to align with
479 +    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
480 +    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
481 +    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
482 +    the GETACP is used to determine the Windows code page.
483 +
484 + 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
485 +    name used as the lc_ctype when the database was opened. Only valid while the
486 +    Database is connected.
487 +
488 + 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
489 +    id that corresponds to the DefaultCharSetName.
490 +
491 + IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
492 +
493 + 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
494 +   path is given and database attach fails due to access permission issues on the
495 +   temp directory or security database, then the attach is retried with "localhost:"
496 +   prefixing the databasename. This should avoid problems when the database has to
497 +   be accessed by a local (e.g. classic) server and libfbembed is used.
498 +
499 + 2. Windows: revised search order for Firebird DLL:
500 +     i.   The Firebird Embedded Server in the application Directory.
501 +     ii.  If the FIREBIRD environment variable is set then the directory this
502 +          points to is searched for the FB Client DLL and then then underlying
503 +          "bin" directory.
504 +     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
505 +          is used to locate the Firebird installation directory and the underlying
506 +          "bin" directory is searched for the FB Client DLL.
507 +     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
508 +          are searched for the FB Client DLL.
509 +     v.   The PATH Environment variable is used to search for the FB Client DLL.
510 +     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
511 +
512 + 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
513 +   See doc/readme.scriptengine and example applications.
514 +
515 + 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
516 +   simplify the use of the embedded firebird server on both Linux and Windows platforms.
517 +   See dpc/readme.localdatabase and example applications.
518 +
519 + 5. IBDynamicGrid: Reordering on column header click should now also work for
520 +   dynamic columns.
521 +
522 + 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
523 +   between incrementing/decrementing the lock count and signalling the event.
524 +
525 + IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
526 +
527 + 1.3.2 was never formally released and only made available as beta copies.
528 +
529 + 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
530 +
531 + 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
532 +
533 + 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
534 +
535 + 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
536 +   i.e. when it is a calculated field
537 +
538 + 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
539 +   This problem was due to a race condition between recalculating row heights and
540 +   determining which row was selected by the mouse click. The row height calculation
541 +   is now deferred by an extra trip round the message loop allowing the row to
542 +   be always calculated on the current grid layout rather than risking it being
543 +   calculated on the grid layout after the expanded row has been shrunk.
544 +
545 + 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
546 +   Windows.
547 +
548 + 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
549 +   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
550 +   to be determined at runtime. See doc/readme.charactersets.html.
551 +
552 + 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
553 +   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
554 +
555 + 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
556 +   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
557 +   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
558 +
559 +   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
560 +   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
561 +   implies no truncation.
562 +
563 + 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
564 +
565 + 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
566 +   (avoids "Not in Edit Mode" error).
567 +
568 + 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
569 +
570 + 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
571 +    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
572 +
573 + 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
574 +
575 + 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
576 +
577 + 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
578 +
579 + 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
580 +
581 + IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
582 +
583 + 1.   OnCloseUp Event Handler added to TDBLookupProperties
584 +
585 + 2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
586 +     problem with row size when exception is called.
587 +
588 + 3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
589 +
590 + 4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
591 +     in a TCustomComboBox and ignores return key if in a TCustomMemo
592 +
593 + 5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
594 +     keyed in i.e. when autocomplete not performed
595 +
596 + 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
597 +     console mode applications with all LCL required functions (builtin dialogs and
598 +     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
599 +     not included in your project, IBX should compile and link with a console mode program.
600 +     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
601 +     console mode application or the IDE will automatically assume that your
602 +     application is GUI based. Instead, you should include the ibexpressconsolemode package.
603 +
604 +     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
605 +     to use the built in dialogs and cursor management. IBDialogs is
606 +     included by default if "ibexpress" is in your project source's "uses" clause.
607 +     This should be the case for all projects created through the IDE. This is why
608 +     you do not want to add the ibexpress package to console mode applications. The
609 +     ibexpressconsolemode package has been created to allow console mode programs
610 +     to avoid adding LCL dependencies when using IBX, while still having the
611 +     unit search paths set up correctly.
612 +
613 +     Existing users should check to ensure that the "ibexpress" unit is included in
614 +     each project's source file (*.lpr).
615 +
616 +     You may find that in order for the IDE to recognise that ibexpressconsolemode
617 +     exists, you have to first open the package in the IDE and then close it. This
618 +     adds it to the most recently accessed packages list. To make it permanently
619 +     available, add the package name to lazarus' staticpackages.inc file.
620 +
621 +         Thanks to Julio Jiménez for suggesting support of console mode.
622 +
623 + 7.   SQL Parser can now accept quoted strings that include new lines
624 +
625 + 8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
626 +     of text on start of edit. This is particularly useful when tabbing to a
627 +     column and then inserting text.
628 +
629 + 9.   New Examples provided for IB Services and ISQLMonitor.
630 +
631 + 10. Fix error when writing to blob streams that recorded only the last buffer
632 +    write in the blob stream. In most cases, this did not cause a problem as the
633 +    IB Blob Stream is written in a single write. However, with the TDBImage, write
634 +    of a graphic type prefix was lost which caused a problem when the image could
635 +        not be automatically recognised.
636 +
637 + 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
638 +    already open" errors due to random numbers used for the cursor name being identical.
639 +
640 + 12. IBTable: corrected error that could result in an "Index out of bounds" error
641 +    when opening the table and the Primary Key is the last or only column in the
642 +    table. Thanks to Rick Hoover for the fix.
643 +
644 + 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
645 +    of "UTF-8", and update list of available database character sets. Existing
646 +    users should check the current lc_ctype setting in their applications.
647 +
648 + IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
649 +
650 + 1.  Firebird Services: avoid List Index error when opening a service with an
651 +    empty Params property.
652 +
653 + 2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
654 +    Link now set up in Loaded method - avoids occasional failure to apply
655 +    SQL markup on initial open.
656 +
657 + 3.  "Employees" example performance improvements when scrolling.
658 +
659 + 4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
660 +    TFrame. Force recaching of selected frame to avoid GTK race (results in a
661 +    random image cached).
662 +
663 + 5.  DBControlGrid: Should now react to changes in panel height at run time.
664 +
665 + 6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid  
666 +    even when further rows exist.
667 +
668 + 7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
669 +    always be derived from panel height and setting this property can cause confusion.
670 +    Note for existing projects: to avoid a missing property error at run time,
671 +    each form using the DBControlGrid must be opened, updated and saved in the IDE
672 +    in order to remove the property value from the lfm.
673 +
674 +
675 + IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
676 +
677 + 1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
678 +    call Prepare before setting parameter values.
679 +
680 + 2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
681 +
682 + 3.  Code tidyup and more robust handling of dsql information result vector.
683 +
684 + 4.  Support for centralised handling of transaction status changes. TIBTransaction
685 +    has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
686 +    and "AfterExecQuery". The first three are called after the same event is called
687 +    for an IBCustomDataSet descendent using the Transaction. The fourth is called
688 +    after a call to TIBSQL.ExecQuery, again using this transaction. These new events
689 +    enable monitoring of transaction status changes for a given transaction to be
690 +    handled in a single place. For example, when a change to the dataset occurs
691 +    an indicator can be set that shows the user that in order to save changes,
692 +    the transaction should be committed.  Rather than doing this per dataset, this
693 +    can now be done per transaction.
694 +
695 + 5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
696 +    the dataset is scrolled. However, any changes to the current row are, by default,
697 +    discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
698 +    have a new property "DataSetCloseAction" that adds automatic posting of changes
699 +    on dataset close. If this property is set to dcDiscardChanges (default) then the
700 +    behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
701 +    then IBX will attempt to post any unsaved changes before the dataset is closed
702 +    (and after the BeforeClose event handler is called). The exception is when the
703 +    dataset is being closed as a result of a transaction rollback. In this case,
704 +    no action is taken and any unsaved  changes are discarded. This avoids both
705 +    unnecessary overhead and the risk that a validation error may occur in the Post
706 +    raising an exception and thereby preventing a rollback.
707 +
708 + 6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
709 +    In earlier versions, the Display Width was set to the maximum byte width rather than the character
710 +    width. Display Widths are now corrected by dividing by the max byte width per character.
711 +    For UTF8 character sets, the byte width is four and hence the Display Width will be
712 +    the byte width divided by 4. The byte width of each character set is determined
713 +    dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
714 +    system table. (see also http://bugs.freepascal.org/view.php?id=27766).
715 +
716 + 7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
717 +
718 + 8.  IBLookupComboEditBox: List should now always be restored to full list when the
719 +    control loses focus. Default Key press default interval reduced to 200ms.
720 +
721 + 9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
722 +    when dataset rows are less than visible rows.
723 +
724 + 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
725 +    does not exist or DataSet is empty. More responsive on dataset open. New event
726 +    OnRestorePosition. Column sort disabled if no header row.
727 +
728 + 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
729 +    while dataset state is dsInsert. Avoids posting errors.
730 +
731 + 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
732 +    avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
733 +
734 + 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
735 +
736 + 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
737 +    to solve a specific problem. That is when the dataset cursor is moved (e.g. by
738 +    a grid mouse click and the current row is being edited or inserted. In this case, TDataset
739 +    always "posts" the current record regardless or whether or not it may be more appropriate
740 +    to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
741 +    "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
742 +    as the first action of the "Post" method and allows the handler to convert the Post
743 +    into a Cancel if that is the appropriate action on moving to a different row. This is
744 +    achieved by returning with "CancelPost" argument set to true. Note that an exception could be
745 +    raised here, but it may still be more appropriate to validate a post and signal
746 +    a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
747 +
748 + 15. On Unix derived systems, the Firebird library name can now be given as a colon
749 +    separated list. Each library name on the list is tried in turn, in left to right
750 +    order with the first found being used as the firebird library. By default, on Linux,
751 +    the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
752 +    overidden by the FBLIB environment variable or the OnGetLibraryName function.
753 +
754 +    Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
755 +    then it will still attempt to access the database via the Firebird Server and will
756 +    require a username and password. If only the pathname is given, then the username
757 +    and password should be omitted and the unix file permissions are used to grant
758 +    access.
759 +
760 + IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
761 +
762 + 1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
763 +    rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
764 +    that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
765 +    corresponds to a row of the linked DataSource. Any data aware control on the
766 +    replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
767 +
768 + 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
769 +   When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
770 +   takes place during database access. This may be useful when there are performance issues with
771 +   the change of cursor. Setting the property to false suppresses the change of cursor.
772 +
773 + 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
774 +   and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
775 +   Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
776 +   making all changes permanent immediately rather than when the transaction is explicitly
777 +   committed.
778 +
779 + 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
780 +   using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
781 +
782 + IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
783 +
784 + Development version only.
785 +
786 + IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
787 +
788 + 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
789 +   This is typically used during an "OnBeforeOpen" event handler to manipulate the
790 +   "Where" and "Having" clauses to implement user specified filters of arbitrary
791 +   complexity.
792 +
793 + 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
794 +   three new data aware controls dependent on IBX and which make use of the SQL Parser.
795 +   These are:
796 +
797 +   - TIBLookupComboEditBox
798 +   - TIBDynamicGrid
799 +   - TIBTreeview
800 +
801 +   TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
802 +   of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
803 +   to revise the available list and restrict it to items that are prefixed by the
804 +   typed text (either case sensitive or case insensitive). Autoinsert allows a
805 +   newly typed entry to be added to the list dataset and included in the available
806 +   list items.
807 +
808 +   TIBDynamicGrid is a TDBGrid descendent that provides for:
809 +   - automatic resizing of selected columns to fill the available row length
810 +   - automatic positioning and sizing of a "totals" control, typically at the
811 +     column footer, on a per column basis.
812 +   - DataSet resorting on header row click, sorting the dataset by the selected column.
813 +     A second click on the same header cell reversed the sort order.
814 +   - Support for a "Panel Editor". That is on clicking the indicator column, the row
815 +     is automatically expanded and a panel superimposed on it. The panel can have any
816 +     number of child controls, typically data aware controls with the same datasource
817 +     as the grid allowing for editing of additional fields and more complex editors.
818 +   - Reselection of the same row following resorting.
819 +   - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
820 +     Its properties are specified on a per column basis and allows for one or more
821 +     columns to have their values selected from a list provided by a dataset.
822 +     Autocomplete and autoinsert are also available. The existing picklist editor
823 +     is unaffected by the extension.
824 +
825 +   TIBTreeView is a data aware TCustomTreeView.
826 +
827 + 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
828 +   zero scale will no longer return an error. An Int64 will be returned instead.
829 +
830 + 4. TIBTransaction now has events for Before and After Transaction End and a new function
831 +   "GetEndAction" allowing the EndAction to be accessed by these event handlers.
832 +
833 + 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
834 +   repeated multiple times.
835 +
836 + 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
837 +   check used to get in the way of using Stored Procedures, and "Update or Insert"
838 +   statements.
839 +
840 + 7. Insert, Modify and Delete property Editors now support Query Generation from
841 +   Stored Procedures.
842 +
843 + 8. Three new examples illustrate the use of the new IB Controls
844 +
845 +
846 + IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
847 +
848 + 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
849 +   setting performance. See "readme.field+param.names in the doc folder.(Thanks to
850 +   Gabor Boros for reporting this problem and for testing the improvements).
851 +
852 + 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
853 +   See readme.field+param.names in the doc folder.
854 +
855 + 3. IBX SQL Editors will now automatically add double quotes around column names when the database
856 +   dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
857 +
858 + 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
859 +
860 + 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
861 +   actions.
862 +
863 + 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
864 +   thanks to Yuriy Kopnin for pointing this out).
865 +
866 + 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
867 +
868 + 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
869 +   for both fields and parameter setting.
870 +
871 + 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
872 +   visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
873 +
874 + 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
875 +    when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
876 +
877 + 11. TIBTable now has a property editor for "MasterFields"
878 +
879 + 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
880 +    GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
881 +
882 + 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
883 +    of settings is unrecognised. Selecting this radio button has no effect on the settings.
884 +  
885 +
886 + IBX Change Log  version                 (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
887 +
888 + 1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
889 +
890 + IBX Change Log  version          (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
891 +
892 + 1. In a TIBCustomDataset descendent, a generator now only sets the value when
893 +   it is null. This allows for alternative user defined setting of the generator
894 +
895 +   Many thanks to Julio Jiménez for this fix
896 +
897 + 2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
898 +   and suggests that the user may have forgotten to install it.
899 +
900 + IBX Change Log  version         (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
901 +
902 + 1. Conditional compilation used to limit registration of TIntegerField to
903 +   Lazarus versions less than 1.1
904 +
905 + 2. When a database connection is created, character set is now by default set
906 +   to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
907 +   1250 to 1254.
908 +
909 +
910   IBX Change Log  version     (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
911  
912   1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.

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