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===============================================
C++BUILDER 5 TRIAL
RELEASE NOTES
===============================================
This file contains important supplementary and
late-breaking information that may not appear
in the main product documentation. We recommend
that you read this file in its entirety.
This document may contain references to
features that are not included in the Trial
edition. Please ignore these items, as well as
the edition markings ("Enterprise, Professional,
Standard", etc.) that are contained in this and
other documentation.
For information on new features in this release,
choose "What's New" in the online Help contents.
**** IMPORTANT ****
Distributing applications generated with this
Trial version is prohibited.
CONTENTS
===============================================
-- OTHER RELEASE NOTES
INCLUDED WITH THIS PRODUCT
-- ABOUT EDITING THE WINDOWS REGISTRY
-- THIRD-PARTY PRODUCT NOTES
AND KNOWN ISSUES
-- KNOWN ISSUES IN THIS RELEASE
-- ADDITIONAL COMPATIBILITY NOTES
-- ONLINE HELP OMISSIONS,
CORRECTIONS, AND CLARIFICATIONS
-- PRODUCT INFORMATION ON THE WEB
OTHER RELEASE NOTES
INCLUDED WITH THIS PRODUCT
===============================================
INSTALL.TXT contains system requirements
and product installation information.
DEPLOY.TXT contains information about
redistributing your applications.
LICENSE.TXT contains information on
licensing allowances and limitations for this
product and other Inprise software that is
bundled with it.
The three text files listed above, along with
this file, are installed to your main product
directory (default: c:\Program Files\Borland\CBuilder5).
You can also find detailed information about new
features and compatibility issues in
BCB5NEW.HLP, which is part of the main online
Help system (look for "What's New" in the Help
contents or index).
BDEREADME.TXT, BDEINST.TXT and
BDEDEPLOY.TXT contain release notes,
installation, and deployment information about
the Borland Database Engine (BDE) and
Borland SQL Links products. These files are
located in your main BDE directory
(installation default:
c:\Program Files\Common Files\Borland Shared\Bde).
IMPORTANT: Any BDE-related information in this
README.TXT overrides any corresponding information
provided in the BDE release notes.
Additional notes about existing issues with BDE
and utility applications supplied with BDE are
covered in the KNOWN ISSUES section later in
this document.
ABOUT EDITING THE WINDOWS REGISTRY
===============================================
Warning:
Registry edits are performed at your own risk.
Several items in this document and in other
parts of the documentation that accompany this
product describe how to edit your Windows
registry. In most cases, we recommend that you
use the Microsoft Regedit tool to perform your
editing. Whatever tool you use, however, you
should, before making any edits, make backups
of your registry and thoroughly familiarize
yourself with the editing tool and the
registry editing process. The registry is a
critical component of your operating system,
and any mistakes made while editing it can
cause your machine to stop functioning.
THIRD-PARTY PRODUCT NOTES
AND KNOWN ISSUES
===============================================
The following items describe issues and problems
you may encounter when using this product with
other tools and applications. Additional
third-party and external application issues may
also appear in the KNOWN ISSUES section.
Microsoft ImageList common control
and video drivers
-----------------------------------------------
Some older video drivers (S3 Virge GX, Diamond
Viper, Riva TNT, Matrox Millennium, and others)
have trouble handling the quantity of images
that the component palette places in its internal
ImageList control. This can cause the component
icons to appear shifted or corrupted in the IDE
component palette. The solution is to contact
your video card vendor for an updated video
driver. At the time of this writing, all of the
video drivers known to exhibit problems with
the Microsoft ImageList control have been
updated with fixes by the video card vendors.
You can also work around this ImageList problem
by reducing or disabling video hardware
acceleration in your Windows configuration
settings. For instructions, consult your operating
system and video hardware documentation.
If IDL2CPP won't start
-----------------------------------------------
(Enterprise and Professional editions only)
If an older version of the JavaSoft JRE is
installed on your machine (if, for example,
you installed VisiBroker with Delphi 5), you
may receive an error message when attempting
to run the command-line application IDL2CPP.
Cause: The older JRE is probably still
referenced on your path.
Solution: Change your path to point to the
new Java 1.2 JRE installed with C++Builder 5.
Microsoft Transaction Server (MTS)
-----------------------------------------------
(Enterprise and Professional editions only)
If MTS is installed after this product has
been installed, additional steps must be taken
to enable use of the BDE as a resource dispenser
(to pool database connections):
1. Copy DISP.DLL from the RUNIMAGE directory
on your product CD into the BDE directory
on the host computer.
2. Issue the following command:
REGSVR32 <BDE directory>\DISP.DLL
3. In Transaction Server Explorer, install the
BDE-MTS package:
a. Right-click on Packages Installed.
b. Choose New | Package.
c. Choose Install prebuilt packages.
d. Add file DISP.PAK from the BDE
directory.
4. Set the value of MTS POOLING to True in
the System/Init section of the BDE
configuration.
Microsoft icon cache prevents icon updating
-----------------------------------------------
If running this product on a Windows 95 or 98
machine on which an earlier version of the
product was previously installed (even if it
is no longer present), the earlier version's
icon set may persist in its association to
applications for this product, overriding the
new icon set. This is a known problem with
Microsoft's icon cache updating mechanism on
Windows 95/98. To read about the problem and
its solution:
1. Visit the Microsoft KnowledgeBase at
http://support.microsoft.com/search/default.asp
2. Choose Search All Microsoft Products from the
listbox.
3. Choose the "Keywords" option.
4. In Search Options (lower part of the page),
choose to search against Titles.
5. Type the phrase "icons randomly change"
(no quotes) into the Question field. The search
should yield a number of article titles, any of
which should lead you to a resolution.
IntelliMouse driver v2.2
-----------------------------------------------
Version 2.2 of the Microsoft IntelliMouse
driver writes an invalid value to the registry
when it is installed. This default value can
cause some applications, including this product,
Outlook Express, and Windows Explorer, to
crash. To correct the problem:
1. Use Regedit to locate the key
HKEY_USERS\.Default\Control Panel\
Microsoft Input Devices\Mouse
2. If the value of TrayIcon is "ON", edit
the value to make it "TRUE" ("FALSE"
works as well).
ODBC certification
-----------------------------------------------
(Enterprise and Professional editions only)
The following ODBC drivers are certified for
use with this product and BDE.
ODBC Driver Manager 3.5
Fully certified drivers:
ACCESS (Microsoft 3.40-Access 95 and 97)
FOXPRO (Microsoft 3.40)
MSSQL Server (Microsoft 3.00-Server version 6.5)
MSSQL Server (Intersolv 3.01-Server version 6.5)
ORACLE 7 (Intersolv 3.01-Server version 7.3)
Certified for basic functionality:
INFORMIX (Intersolv 3.01
- Server version 7.20 and 9.11)
DB2 (IBMv5 client 6/98
- No driver version info available:
tested against 2.12 and 5.0(UDB) server
SYBASE (Intersolv 3.01
- Server version 11.02)
ODBC Driver Manager 3.51
Fully certified drivers:
ACCESS (Microsoft 3.51-Access 95 and 97)
FOXPRO (Microsoft 3.51)
MSSQL Server (Microsoft 3.6
- Server version 6.5 and 7.0)
MSSQL Server (Intersolv 3.11
- Server version 6.5 and 7.0)
ORACLE7 (Intersolv 3.11
- Server version 7.3)
Certified for basic functionality:
DB2 (IBMv5 client 6/98
- No driver version info available:
tested against 2.12 and 5.0(UDB) server
SYBASE (Intersolv 3.11
- Server version 11.02)
ORACLE8 (Intersolv 3.11
- Server version 7.3 and 8.04)
Microsoft rich edit control in Asian locales
-----------------------------------------------
The Microsoft rich edit control may not be able
to save eight-bit European extended characters
when running under Asian (multibyte) versions
of Windows 2000.
Using the Global IME under Windows 95 and 98
-----------------------------------------------
If you are using an Asian (multibyte) version
of Windows 95 or 98 and you install the Global
IME, you may have trouble running programs in
debug mode. Specifically, you may get access
violations when you quit the program (by
choosing Run|Reset) after a runtime exception.
You can avoid this problem by adjusting your
Windows settings as follows: From the Control
Panel, select Keyboard|Input Locales, uncheck
"Enable indicator on taskbar," and click OK.
KNOWN ISSUES IN THIS RELEASE
===============================================
Header file optimization and failed builds
-----------------------------------------------
(Enterprise and Professional editions only)
If a build fails with "can't find symbol" errors
or with errors that suggest that structures can't
be defined, you may need to add the following:
NO_WIN32_LEAN_AND_MEAN
to your project defines. This forces the .HPP
files in your project to include more of the Win32
header files, and should correct the build errors.
Such errors may be encountered if your project
includes a Pascal component that uses structures
from the ActiveX or shell object libraries
ACTIVEX.HPP, SHLOBJ.HPP, or URLMON.HPP.
(Structures were removed from these files to
reduce overall build times).
Type Library import issue
-----------------------------------------------
(Enterprise and Professional editions only)
Certain servers export properties which,
at the COM level, are arrays of VARIANT.
These servers, when imported in C++Builder,
cannot be given VCL-style properties because
the getters and setters are of inconsistent
types: arrays TVariant and TVariantInParam,
respectively. (The getters and setters
themselves will work without problem.) The
importer unfortunately attempts to generate
these VCL properties, and the resulting code
fails to compile.
An example:
1. Select Project|Import type library.
2. Click Add.
3. Select the Excel8.olb type library.
4. Install the components into the default
user package.
5. Compile the package.
Result:
//[C++ Error] Excel_OCX.h(2186):
E2347 Parameter mismatch in read access
specifier of property Range
//[C++ Error] Excel_OCX.h(4141):
E2347 Parameter mismatch in read access
specifier of property Range
//[C++ Error] Excel_OCX.h(4611):
E2347 Parameter mismatch in read access
specifier of property Range
BDE/COM+ limitation
-----------------------------------------------
(Enterprise and Professional editions only)
There is no resource dispenser for the BDE
under COM+.
Using PACKAGE to export forms and datamodules
-----------------------------------------------
Using the class modifier PACKAGE to export
forms and datamodules prevents correct object
creation when not used in a forward declaration.
Workaround:
Use the PACKAGE modifier only in a forward
declaration:
class PACKAGE TDataModule1;
class TDataModule1 : public TDataModule
SelectDirectory and inaccessible drives
-----------------------------------------------
If a control uses SelectDirectory
(filectrl.hpp/.pas) to access a drive on a
Windows NT/2000 system, and the drive is
inaccessible (e.g., the control attempts to
access drive A, and no disk is in the drive),
two system error messages are generated. In
addition, if a Hint is attached to the control
and the Hint is visible when the control is
activated, the Hint text will appear in the title
bar of the first error message. On Windows 95/98
systems, only one "drive not ready" error message
appears, and the Hint text is not picked up.
CodeGuard and custom packages
-----------------------------------------------
(Enterprise and Professional editions only)
We strongly recommend the practice of building
and linking custom packages using the dynamic
runtime libraries (RTL). However, if you have
reason to use the static RTL when creating a
package, the package should be CodeGuarded IF
the application using the package is CodeGuarded.
Otherwise, the package will, when used with other
CodeGuarded elements, generate a Borland
Memory Manager (BORLNDMM.DLL) warning. If you
choose "yes" in the warning dialog, false leaks
will be reported. If you choose "no", memory
will not be tracked for leaks from that point
onward, though CodeGuard will otherwise continue
to operate normally.
Windows2000 date issues
-----------------------------------------------
Windows 2000 uses the short date format of
"m/d/yyyy". Previous Windows versions used the
"m/d/yy" format.
If a two-digit date is required, the value
of the variable "ShortDateFormat" may be set
programmatically to "m/d/yy".
Also, the short date format for Windows2000
may be altered by selecting Regional Settings
in Control Panel.
Such system date defaults and modifications
should be considered carefully when handling
any dates, but most particularly when using
the EncodeDate function of SysUtils.
Providing this function a two-digit year may
generate unexpected results. For instance,
passing the results of
EncodeDate("96, 7, 11");
to DateToStr will yield the string "7/11/0096"
instead of "7/11/1996", as might be expected.
Integrated Translation Environment (ITE) issues
-----------------------------------------------
(Enterprise edition only)
If you make a copy of the directory that
contains your main project group, you should
manually edit the copied BPR file. Find the
line in the BPR file that says
RootDir=[directorypath]
and either replace [directorypath] with the
correct path or simply delete [directorypath]
(leaving "RootDir=" in place); if you delete
[directorypath], the ITE tools will query you
for a new root directory the next time you
access the project.
Under Asian versions of Windows 2000,
limitations of the Windows rich edit control
prevent the multiline editor from correctly
saving eight-bit European extended characters.
(Also see earlier note regarding Asian
Locales in the Third Party Products section.)
The Resource DLL wizard requires a distinct
two- or three-letter file extension for each
translated version of a project it maintains.
For some languages that are written in both
Latin and Cyrillic characters, however,
Windows 2000 uses the same default extension
regardless of the character set. For example,
Uzbek in Latin characters (locale ID 443) and
Uzbek in Cyrillic (locale ID 843) both get the
extension UZB. If you want to maintain both
Latin and Cyrillic versions for such a
language, change the extension for one of the
translations when you run the Resource DLL
wizard.
ADO issues
-----------------------------------------------
(Enterprise and Professional editions only)
When using TADOTable or TADODataSet, an error
may occur when retrieving a list of table names
from Microsoft SQL Server 6.5. To correct the
problem, you must install the latest
SQL Server 6.5 Service Pack (currently 5a),
or update the system catalog as described in
the MDACREADME.TXT file that accompanies
MDAC 2.1.
When using the Filter property on the ADO
dataset components, ADO requires a space
between operators and field names.
For example, field>0 fails, field > 0 works.
You cannot open tables or procedures that
contain mixed case names on Oracle servers
unless the names containing lower case letters
are enclosed in quotation marks. Affects
ADODataSet, ADOCommand, ADOTable, and
ADOStoredProc objects.
The IndexName and Seek methods of TADODataSet
currently only work with the Microsoft Jet 4.0
provider when using a database file created with
Access 2000.
The Oracle provider included with the MDAC runtime
does not support Oracle 8 datatypes (CLOB, BLOB,
NVARCHAR2, NCHAR, etc.).
When using the Merant (Informix 7, 9) provider,
MSADO15.DLL generates an AV when working with
Stored Procedure parameters.
ADO does not support case-sensitive filters
or find operations. Because of this, the
FilterOptions and LocateOptions on the ADO
dataset components do not respect the case
sensitive option and always return case-insensitive
results.
When opening tables or stored procedures on an
Oracle server, you must put double quotes around
any mixed case names as required by the server
("TableName").
When using the ADO Dataset components on a
MIDAS application server, ensure that the
Active property is set to false at design
time to ensure that any Refresh after
an update will return the correct data.
When using the TParameters::CreateParameters
method, ADO requires that the size parameter
be set to a value greater than zero if the
value parameter is null.
When using the Microsoft Jet 3.51 provider,
an error will occur if you bind values to
boolean columns using ftBoolean. The problem
is corrected in the 4.0 provider. You can
bind the parameters as ftInteger to workaround
the problem.
When using the pfXML option with the
TADODataSet.SaveToFile method, you
must first install version 5.0 of Internet
Explorer in order to reload the data. The XML
parser which is required to interpret the data
is not included with the 2.1 MDAC runtime.
MIDAS\InternetExpress
-----------------------------------------------
(Enterprise edition only)
There is a known design-time problem when
building an Internet Express application
that uses a local provider: Each time the project
is reloaded, the XMLBroker Connected property
is reset to False, and you must manually reset
it to True.
When a MIDAS server will not shut down as
expected:
A client Web application may not always be
able to shut down a MIDAS server launched via
an HTTP connection or via DCOM from an
InternetExpress client unless the DCOM user
account is set to "Interactive User" on the
server machine. To set this permission, run
DCOMCNFG.EXE on the server machine, choose
your MIDAS server from among the listed
Applications, press Properties, then
Identities, and select Interactive User. In
subsequent sessions, the server may be shut
down as expected.
"Invalid Filename" is returned trying to
Activate a ClientDataSet when:
-- A MIDAS server has a provider located on a
Novell network; or
-- A ClientDataSet attempts to connect to a
MIDAS server on another machine.
The solution to both of these situations is the
same as that described in the previous note
(set the MIDAS server Application Identity
to "Interactive User").
The Netscape browser does not support XML Islands,
and, as a result, will crash with an out-of-memory
error when the InternetExpress application
accesses MIDAS data with a very large data packet.
This behavior also occurs if using Internet Explorer
without XML Islands support (if using Islands,
it does not occur).
Current versions of the Netscape browser do not
support Unicode. Thus, if you input DBCS
characters into a Dataset field, the characters
will not display correctly in a Netscape
browser. This problem does not occur in
Internet Explorer.
InternetExpress clients accessing multibyte
character set (MBCS) data from a MIDAS
server will receive the error
"<MBCS fieldname>:name not found in rowset"
unless the MIDAS server is running on an MBCS
operating system.
MIDAS servers and NT
-----------------------------------------------
(Enterprise edition only)
When activating or running a MIDAS server
from the IDE or a Web server on a Windows NT
machine, you may receive the the following
error message: "The dynamic link library
BORLNDMM.DLL could not be found in the
specified path."
To fix this problem:
-- Add the path to BORLNDMM.DLL and
CC3250MT.DLL to your System path; or
-- Copy the two files above to a directory
already specified in your System path; or
-- Turn off "Dynamic RTL" on the MIDAS
server's Project|Options|Linker tab.
ActiveX imports
-----------------------------------------------
(Enterprise and Professional editions only)
Note: This problem occurs only on machines
running Windows 98.
Importing certain OLE servers when running
this product under Windows 98 will result in the
generation of packages with invalid bitmaps.
These bitmaps will be replaced with the default
three-object icon when the package is installed
on the component palette.
To get the correct icons, re-import the server
under Windows NT and use the .dcr generated by
that import, rather than the .dcr generated
under Windows 98, when installing the package
onto the palette.
Innocuous VCTOBPR warning
-----------------------------------------------
If you convert an ATL file using the VCTOBPR
utility, a message box informs you that the
file BCBATL.CPP will be added to your project.
The message is incorrectly identified as a
"warning" when, in fact, it is informational only.
Frames
-----------------------------------------------
Multilevel references and indirect event
calls are not automatically generated in
nested frames. Such multilevel functionality
must be coded separately.
When creating templates from frames make sure
the frame source is saved before creating the
template or adding the frame to the palette.
Doing so will avoid later problems if the frame
is saved under a different name.
When using TChart components and frames on the
same form, changes to the components are not
inherited from frame to frame.
Recommendation: Do not change TChart component
settings when using the components on forms
with frames.
Cached updates and master-detail relationships
-----------------------------------------------
(Enterprise and Professional editions only)
Cached Updates cannot be used effectively with
TQuery components when doing master-detail
links (DataSource property). This is because
the detail query is reexecuted each time the
master record pointer moves.
BLOB limitations
-----------------------------------------------
(Enterprise and Professional editions only)
When using ODBC, BLOB size is limited to
1,000,000 (1 million, not 1 MB) bytes.
Attempting to post a larger record generates an
"Invalid Blob Size" error.
You may experience more severe limitations
using BLOBs with SQL Anywhere. When using
that product, problems have been encountered
when trying to read BLOBs as small as 24-32K
in a dead query.
Images in a TTreeView
-----------------------------------------------
TTreeView cannot repaint a node's image when
its ImageIndex is set outside of
OnGetImageIndex (e.g., in a button click)
and OnGetImageIndex is assigned (if the event
handler is not assigned, it works correctly).
This is due to a limitation in the TreeView
control and is designed to avoid recursion.
A simple workaround is to call
TreeView.Invalidate after setting the
ImageIndex.
RichEdit controls
-----------------------------------------------
If CoInitializeEx is called with
COINIT_MULTITHREADED or CoInitFlags has
been set to COINIT_MULTITHREADED and you
have a form containing a RichEdit control,
creation of the RichEdit control will fail.
If you need to use the RichEdit control in a
multi-threaded OLE server, subclass the control
and override CreateParams in order to set the
correct style.
Note: the CoInitFlags are determined by the
settings on the ATL page of the project options
dialog. This page appears only in projects
that contain an _ATL unit.
Docking issues
-----------------------------------------------
On a dockable form, TreeViews will lose their
items when docking and undocking from a
docksite parented by an MDI form.
Workarounds:
1. Parent the TreeView to something other than
the docking form (such as a panel).
2. Use the TreeView's FloatingDockSiteClass
form as the floating dock host.
Warning: Do not use duplicate menu names
-----------------------------------------------
If a form contains a menu control and all of the
names in the menu control are not unique, an
error will occur if you use the form to create a
new inherited form. The error will occur, for
example, if two or more blank menu items exist.
Menu Shortcut Conflicts
-----------------------------------------------
Menu shortcuts in the IDE may conflict with
system shortcuts and international character key
combinations. If you want to disable the Ctrl+Alt
hot keys in the IDE, set this DWORD registry key:
HKEY_CURRENT_USER\Software\Borland\C++Builder\5.0\
Editor\Options\NoCtrlAltKeys to "1"
BDE and related utility application issues
-----------------------------------------------
(Enterprise and Professional editions only)
A threading problem occurs if you set the
session property sesCFGMODE2 to cfgmVirtual
and/or cfgmSession (though cfgmPersistent
works). Specifying either of the two noted
settings can cause a GPF in your program.
A mismatch between Oracle client and server
versions can cause BLOB and CLOB access
problems. SQL Links is not certified to
overcome this limitation.
Details: BLOB and CLOB access problems will
be encountered when an Oracle 8.1.5 client
communicates with an Oracle 8.0.4 server.
(This product is certified only with the
Oracle 8.1.5 client/Oracle 8.1.5 server
configuration.)
TStoredProc components that attempt to get an
spParamList value from an invalid stored
procedure will cause an AV in ORACLIENT8.DLL.
To avoid this problem, make sure the procedure
is valid on the server.
Using TQuery with Oracle 8 BLOBs and CLOBs
-----------------------------------------------
(Enterprise and Professional editions only)
Accessing BLOB/CLOB in ORACLE 8 requires a
LOB locator. The SQL statements for inserting
LOBS using TQuery is as follows:
INSERT INTO LOBTAB ( F_BLOB, F_CLOB) VALUES
( EMPTY_BLOB( ), EMPTY_CLOB() ) RETURNING
F_BLOB, F_CLOB INTO :P1, :P2
Here, parameter P1, P2 should be bound as
OraBlob and OraClob, respectively, and the
BLOB values can be assigned to the parameters.
SQL Links internally gets the locators from
the returning clause of the above query and
populates the LOB.
Similarly, an update SQL statement would read:
UPDATE LOBTAB SET F_CLOB = EMPTY_CLOB( )
RETURNING F_CLOB INTO :P1
Oracle 8, VARRAYs and ADTs
-----------------------------------------------
(Enterprise and Professional editions only)
An application can crash when opening an
Oracle 8 table that contains a large VARRAY of
ADTs. Oracle recommends using nested tables
instead of VARRAYs when such configurations are
required.
Other issues
-----------------------------------------------
Starting C++Builder 5 in Safe Mode on a
Windows 98 machine may cause the IDE to hang.
COM+ event client support
-----------------------------------------------
(Enterprise and Professional editions only)
In the Help topic entitled "Handling events in
an Automation Controller" (index keyphrase:
"Automation controllers, handling events"), a
reference is made to a global routine named
RegisterComPlusEventSubscription. This function
is not available in this release.
ADDITIONAL COMPATIBILITY NOTES
===============================================
The following items describe compatibility
issues between this release and earlier versions
of the product, as well as issues that may
arise between this product and other products.
NOTE: The information below was confirmed late
in the development process and may not appear
in the online Help system's "Compatibility
Issues" section.
Windows 2000 support
-----------------------------------------------
Applications generated by the Windows 2000
logo application wizard will run ONLY on
Windows 2000.
CORBA, BCB4, and VBroker 3.3
-----------------------------------------------
(Enterprise editions only)
CORBA projects created with C++Builder 4 and
VisiBroker 3.3 that reference cerr or cout may
not compile with C++Builder 5. If you use cerr
or cout and a compiler error is generated,
either:
-- Change cerr and cout to Cerr and Cout,
respectively; or
-- Add a line containing USE_STD_NS after the
#includes at the top of the source file.
Cerr, Cout, and USE_STD_NS are defined in the
VisiBroker 4.0 header files.
MIDAS.DLL replaces DBCLIENT.DLL
-----------------------------------------------
(Enterprise and Professional editions only)
When redistributing MIDAS clients, you must
redistribute the new MIDAS.DLL with your
applications. This file replaces DBCLIENT.DLL
as the primary MIDAS support library.
(DBCLIENT.DLL is also supplied to provide
support for earlier versions of MIDAS.)
DBTABLES has been split up
-----------------------------------------------
(Enterprise and Professional editions only)
Some members of DBTABLES have been moved to a
new library called VCLBDE50. Consequently, when
recompiling C++Builder 4 database applications,
you may see linker errors indicating that
members of DBTABLES cannot be found. To build
these applications, you must manually add
VCLBDE50.LIB to your project file.
To do so, follow these steps:
1. Load the project in C++Builder.
2. Select File|Save All.
3. Close the project.
4. Open the project's .BPR file in an external
text editor.
5. Find the two lines that look like these:
<LIBRARIES value="vcldb50.lib vcl50.lib"/>
<SPARELIBS value="vcl50.lib vcldb50.lib"/>
(They may have more libraries listed.)
Add "vclbde50.lib" to the end of each line:
<LIBRARIES value="vcldb50.lib vcl50.lib vclbde50.lib"/>
<SPARELIBS value="vcl50.lib vcldb50.lib vclbde50.lib"/>
6. Save the project file.
7. Reopen the project in C++Builder.
Porting ActiveX control projects
created in earlier versions
-----------------------------------------------
(Enterprise and Professional editions only)
Due to changes in the ATL's implementation of
persistent streaming, all VCL-based ActiveX
controls (created via File|New AX Control,
File|New AX Form, or File|New Property Page)
that were created in previous versions of
C++Builder will not stream properly when
rebuilt under this version.
The problem is automatically corrected the first
time you refresh inside the Type Library Editor
--but is NOT corrected if you do not refresh.
In addition, the style of the header guard
used in C++Builder 4 ActiveX projects is not
consistent with the header guards used by the
C++Builder 5 IDE to determine if a file should
be managed. Please update the header guards in
server implementation files to be of the format:
<Filename>H
e.g.:
#ifndef Unit1H //this guard is case sensitive
#define Unit1H
//...header file code...
#endif
OldCreateOrder and enabling the Legacy View
-----------------------------------------------
A reminder for those upgrading from C++Builder 3
that the TCustomForm::OldCreateOrder property
was added in C++Builder 4. For C++Builder 5,
you may need to explicitly set this form property
to false in your existing C++Builder 3 programs
that use OnCreate or OnDestroy. For example, you
may see access violations when running an upgraded
C++Builder 3 application if (in error) a String
variable is set to NULL before the form's destroy
handler is called. A program might set a String to
a file name in an OnCreate and then save text to
that file in an OnDestroy. In the OnDestroy
handler, the contents of the String would be gone
unless the OldCreateOrder property were set to false.
Also note that in C++Builder 5, the legacy
OldCreateOrder property is turned off by default
in the Object Inspector. To view this and other
legacy properties, right-click on the Object
Inspector, choose View, and click Legacy.
Functions removed
-----------------------------------------------
(Enterprise and Professional editions only)
The DBError and DBErrorFmt functions no longer
appear in the DB unit.
Earlier projects may require STDVCL32.DLL
-----------------------------------------------
Projects created in version 3 and earlier
releases require the presence of STDVCL32.DLL
to enable their loading into the current
release. When the older project is saved in
this release, it is upgraded to use the new
STDVCL40.DLL, and the older library is no
longer required for that project.
GraphicsServer component no longer included
-----------------------------------------------
The GraphicsServer component (GRAPH32.OCX)
that shipped with earlier versions of this product
is no longer a part of the product. Information
about the GraphicsServer component is available
from the vendor at http://www.graphicsserver.com/
ONLINE HELP OMISSIONS,
CORRECTIONS, AND CLARIFICATIONS
===============================================
The following items describe late-breaking
features and elements that are either not
covered or require correction or clarification
in the online Help system that ships with
C++Builder 5. Most items include a title and
keyword that will help you locate the affected
topics. These issues will be corrected in future
Help updates that will be made available on the
documentation Web site (www.borland.com/techpubs).
TMonthCalendar, TMonthCalColors documentation
missing from Standard edition
-----------------------------------------------
Documentation for the TMonthCalendar and
TMonthCalColors VCL components was omitted from
the Standard edition Help file set..
System::LeadBytes
-----------------------------------------------
Online Help reports the declaration for the
system variable LeadBytes as:
extern PACKAGE System::Set<char, 0, 255> LeadBytes;
It should be:
extern PACKAGE System::Set<byte, 0, 255> LeadBytes;
Delphi code
-----------------------------------------------
Delphi code appears in a number of third-party
topics, as well as in a number of topics in
the InterBase Express Help file. We are working
to resolve this issue, and will offer updated
files for download from the documentation
Web site (address below) as the code translations
are completed and tested.
-VM compiler switch
-----------------------------------------------
The topic describing the -VM compiler switch
(search Help index for "-VM compiler option")
is incorrect. It should read:
"This switch turns on __msreturn for all
functions, thus allowing the function to return
structs in a Microsoft-compatible fashion.
Structure contents, not a pointer to the
structure, are returned via the EAX/EDX
registers.
"-VM only affects the way a function returns a
struct and does not affect the name mangling.
"-VM affects all functions, regardless of
explicit calling conventions."
Additional information, -pm compiler switch
-----------------------------------------------
(Search Help index for "calling conventions".)
Additional information:
The -pm compiler switch is the -VM compiler
switch plus Microsoft-style name-mangling and
MS parameter-passing. -pm adds 'qm' to name
mangling when there is no modifier, or when
the modifier is __msreturn.
Additional information,
__msfastcall calling convention
-----------------------------------------------
(Search Help index for "__msfastcall".)
Additional information:
__msfastcall adds 'qm' to name mangling.
Error message clarification
-----------------------------------------------
Pressing F1 on the Compiler Error
"[Linker Fatal Error] Fatal: Expected a file
name: " opens a topic with incomplete information.
The topic should read:
"This error always occurs during builds when
C++Builder is installed into a directory with a
+ or - in the name, or a target file has an
invalid path, or if a BPR file is corrupt."
Additional information,
Using files with CC and CXX file extensions
-----------------------------------------------
(Search Help index for "CC files".)
Additional usage information:
After you edit the CFLAG1 line and add the file
to the project, the project source includes this
line:
USE("foo.cxx", File);
This needs to be changed to:
USEUNIT("foo.cxx");
or the file will not compile.
When you make the USEUNIT change, you will see
an 'Edit Local Options' item on the local menu,
but the item will not be operable.
#import example missing
-----------------------------------------------
If you click the Example link in the topic
covering #import (BCB5LANG.HLP), only the
example heading appears in a popup window. The
example lines are:
#import "test.lib" no_namespace
or
#import "c:\path\typelib0.tlb"
Objects misnamed in online Help
-----------------------------------------------
(Enterprise and Professional editions only)
Due to a late change to an object name, the
new TCRemoteDataModule object may be incorrectly
identified as TCustomRemoteDataModule in the
online Help system.
In online Help, instances of TWebBrowser should
read TCppWebBrowser.
Snippet does not compile
-----------------------------------------------
(Enterprise and Professional editions only)
The code snippet offered in the Help topic
"Updating the object" (index keyphrase "property
pages, updating the object") does not compile.
PRODUCT INFORMATION ON THE WEB
===============================================
In addition to numerous private sites that
offer C++Builder information, instruction, and
samples, the following C++Builder/Inprise
Web-based resources provide a continuous stream
of news, product information, updates, code,
and other materials. You can connect to many of
these resources directly from the C++Builder
Help menu.
C++Builder Direct [Help|C++Builder Direct]
-----------------------------------------------
This IDE add-in resource provides an
automatically updated list of links to the
latest news, downloads and other information
about C++Builder and Inprise.
Code Central
-----------------------------------------------
The CodeCentral Repository is a free,
searchable database of code, tips, and other
materials of interest to developers. For details
and registration information, visit
http://community.borland.com/codecentral
The Borland/Inprise Web site
-----------------------------------------------
Borland/Inprise home page:
http://www.borland.com or
http://www.inprise.com
[IDE: Help|Borland Home Page]
C++Builder home page:
http://www.borland.com/bcppbuilder/
[IDE: Help|C++Builder Home Page]
C++Builder developer support:
http://www.borland.com/devsupport/bcppbuilder/
[IDE: Help|C++Builder Developer Support]
Web-based bug-reporting system:
http://www.borland.com/devsupport
Then click the "Bug Reports" link,
choose Borland C++Builder, and follow
the instructions for bug submissions
C++Builder updates and other downloads:
http://www.borland.com/devsupport/
bcppbuilder/downloads/
C++Builder documentation site:
http://www.borland.com/techpubs/bcppbuilder
Information for C++ developers:
http://www.borland.com/bcppbuilder/cpp/
Information for Visual Basic developers:
http://www.borland.com/bcppbuilder/vb/
Newsgroups:
http://www.borland.com/newsgroups/
Electronic newsletter subscriptions:
http://www.inprise.com/feedback/listserv.html
International list server:
http://www.inprise.com/feedback/intlist.html
Worldwide offices and distributors:
http://www.borland.com/bww/
Inprise FTP site (anonymous access):
ftp.borland.com
TechFax
-----------------------------------------------
Technical documents are available via fax at:
1-800-822-4269 (North America)
===============================================
Copyright (c) 2000 Inprise Corporation.
All rights reserved.