<li><a href="#dll">Can you compile wxWindows 2 as a DLL?</a></li>
<li><a href="#exesize">How can I reduce executable size?</a></li>
<li><a href="#mfc">Is wxWindows compatible with MFC?</a></li>
+<li><a href="#asuffix">Why do I get errors about FooBarA when I only use FooBar in my program?</a></li>
<li><a href="#newerrors">Why my code fails to compile with strange errors about new operator?</a></li>
<li><a href="#mfcport">How do I port MFC applications to wxWindows?</a></li>
<li><a href="#crash">Why do I sometimes get bizarre crash problems using VC++ 5/6?</a></li>
<li><a href="#vcdebug">How do you use VC++'s memory leak checking instead of that in wxWindows?</a></li>
<li><a href="#shortcutproblem">Why are menu hotkeys or shortcuts not working in my application?</a></li>
<li><a href="#regconfig">Why can I not write to the HKLM part of the registry with wxRegConfig?</a></li>
+<li><a href="#access">Is MS Active Accessibility supported?</a></li>
</ul>
<hr>
16-bit compilation is supported under Visual C++ 1.5, and Borland BC++ 4 to 5.
<P>
-wxWindows 2 for Windows will also compile on Unix with gcc using TWIN32 from <a href="http://www.willows.com" target=_top>Willows</a>,
-although TWIN32 is still in a preliminary state. The resulting executables are
-Unix binaries that work with the TWIN32 Windows API emulator.<P>
+wxWindows 2 for Windows will also compile on Unix with gcc using Wine from <a href="http://www.winehq.org" target=_top>WineHQ</a>.
+The resulting executables are Unix binaries that work with the Wine Windows API emulator.<P>
You can also compile wxWindows 2 for Windows on Unix with Cygwin or Mingw32, resulting
in executables that will run on Windows. So in theory you could write your applications
using wxGTK or wxMotif, then check/debug your wxWindows for Windows
-programs with TWIN32, and finally produce an ix86 Windows executable using Cygwin/Mingw32,
+programs with Wine, and finally produce an ix86 Windows executable using Cygwin/Mingw32,
without ever needing a copy of Microsoft Windows. See the Technical Note on the Web site detailing cross-compilation.<P>
<h3><a name="wince">What about Windows CE?</a></h3>
</assembly>
</pre>
+If you want to add it to your application permanently,
+you can also include it in your .rc file using this
+line:<P>
+
+<PRE>
+ 1 24 "winxp.manifest"
+</PRE>
+
+In wxWindows 2.5, this will be in the wx/msw/wx.rc and
+so will happen automatically so long as you include wx.rc
+in your own .rc file.<P>
+
+For an explanation of this syntax, please see
+<a href="http://delphi.about.com/library/bluc/text/uc111601a.htm" target=_new>this
+article</a>.
+<P>
+
<h3><a name="compilers">What compilers are supported?</a></h3>
Please see the wxWindows 2 for Windows install.txt file for up-to-date information, but
compile your programs for release using non-debugging and space-optimisation options, but
take with VC++ 5/6 space optimisation: it can sometimes cause problems.<P>
-Statically-linked wxWindows 2 programs are smaller than wxWindows 1.xx programs, because of the way
-wxWindows 2 has been designed to reduce dependencies between classes, and other
-techniques. The linker will not include code from the library that is not (directly or
-indirectly) referenced
-by your application. So for example, the 'minimal' sample is less than 300KB using VC++ 6.<P>
-
If you want to distribute really small executables, you can
use <a href="http://www.un4seen.com/petite/" target=_top>Petite</a>
by Ian Luck. This nifty utility compresses Windows executables by around 50%, so your 500KB executable
will shrink to a mere 250KB. With this sort of size, there is reduced incentive to
-use DLLs. Another good compression tool is <a href="http://upx.sourceforge.net/" target=_top>UPX</a>.
+use DLLs. Another good compression tool (probably better than Petite) is <a href="http://upx.sourceforge.net/" target=_top>UPX</a>.
+<P>
+
+Please do not be surprised if MinGW produces a statically-linked minimal executable of 1 MB. Firstly, gcc
+produces larger executables than some compilers. Secondly, this figure will
+include most of the overhead of wxWindows, so as your application becomes more
+complex, the overhead becomes proportionally less significant. And thirdly, trading executable compactness
+for the enormous increase in productivity you get with wxWindows is almost always well worth it.<P>
+
+If you have a really large executable compiled with MinGW (for example 20MB) then
+you need to configure wxWindows to compile without debugging information: see
+docs/msw/install.txt for details. You may find that using configure instead
+of makefile.g95 is easier, particularly since you can maintain debug and
+release versions of the library simultaneously, in different directories.
+Also, run 'strip' after linking to remove all traces of debug info.
<P>
<H3><a name="mfc">Is wxWindows compatible with MFC?</a></H3>
application. However, don't expect to be able to enable wxWindows windows with OLE-2
functionality using MFC.<P>
+<H3><a name="asuffix">Why do I get errors about FooBarA when I only use FooBar in my program?</H3>
+
+If you get errors like
+<p>
+<center>
+<tt>no matching function for call to 'wxDC::DrawTextA(const char[5], int,
+int)'</tt>
+</center>
+<p>
+or similar ones for the other functions, i.e. the compiler error messages
+mention the function with the <tt>'A'</tt> suffix while you didn't
+use it in your code, the explanation is that you had included
+<tt><windows.h></tt> header which redefines many symbols to have such
+suffix (or <tt>'W'</tt> in the Unicode builds).
+
+<p>
+The fix is to either not include <tt><windows.h></tt> at all or include
+<tt>"wx/msw/winundef.h"</tt> immediately after it.
+
<H3><a name="newerrors">Why my code fails to compile with strange errors about new operator?</a></H3>
The most common cause of this problem is the memory debugging settings in
This can happen if you have a child window intercepting EVT_CHAR events and swallowing
all keyboard input. You should ensure that event.Skip() is called for all input that
-isn'used by the event handler.
+isn'used by the event handler.<P>
+
+It can also happen if you append the submenu to the parent
+menu {\it before} you have added your menu items. Do the append {\it after} adding
+your items, or accelerators may not be registered properly.<P>
<H3><a name="#regconfig">Why can I not write to the HKLM part of the registry with wxRegConfig?</a></H3>
}
</pre>
+<H3><a name="#access">Is MS Active Accessibility supported?</a></H3>
+
+This is being worked on. Please see <a href="http://www.wxwindows.org/access.htm">this page</a>
+for the current status.
+
+<P>
+
</font>
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projects / wxWidgets.git / blobdiff