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#10802: samples/combo cannot display List View wxComboCtrl in wxCocoa

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#10802: samples/combo cannot display List View wxComboCtrl in wxCocoa

wxTrac
Ticket URL: <http://trac.wxwidgets.org/ticket/10802>

#10802: samples/combo cannot display List View wxComboCtrl in wxCocoa
----------------------+-----------------------------------------------------
 Reporter:  tim94928  |       Owner:      
     Type:  defect    |      Status:  new  
 Priority:  normal    |   Milestone:      
Component:  wxCocoa   |     Version:  2.9.0
 Keywords:            |   Blockedby:      
    Patch:  0         |    Blocking:      
----------------------+-----------------------------------------------------
 I tested RC3 of wxWidgets 2.9.0 from this link:
 http://biolpc22.york.ac.uk/pub/2.9.0-rc3/wxWidgets-2.9.0-RC3.tar.gz
 http://biolpc22.york.ac.uk/pub/2.9.0-rc3/wxWidgets-2.9.0-RC3.zip

 I tested the newer version 2.9.0 four different ways and versus the
 released 2.8.10.
   a = wxMac 2.8.10 Carbon
   b = wxMac 2.9.0 Carbon
   c = wxMac 2.9.0 Cocoa
   d = wxWin 2.9.0 MS Windows
   e = wxGTK 2.9.0 Mandriva Linux

 Configuration:
  a = wxMac 2.8.10: ../configure --enable-unicode --enable-debug --disable-
 shared
  b = wxMac 2.9.0: ../configure --enable-unicode --enable-debug --disable-
 shared
  c = wxMac 2.9.0: ../configure --enable-unicode --enable-debug --disable-
 shared --with-osx_cocoa
  d = wxWin 2.9.0: nmake -f makefile.vc BUILD=debug UNICODE=1
  e = wxGTK 2.9.0: ../configure --enable-unicode --enable-debug

  make;cd samples;make;cd ../demos;make;cd ..;

 samples/combo
   a: ok
   b: ok
   c: Pulldown labeled "List View wxComboCtrl" shows warning then crashes
   d: ok
   e: ok

 Steps to recreate problem
    1) Start samples/combo
    2) Click the down arrow on "List View wxComboCtrl"
    3) If the problem doesn't occur the first time, try again

 Dialog appears with this message:
 wxWidgets Debug Alert
 ../src/common/dcgraph.cpp(926): assert "Assert failure" failed in
 DoStretchBlit(): Cannot Blit.  Unable to get contents of DC as bitmap.  Do
 you want to stop the program?" Cancel/No/Yes

 Regardless if I press Cancel, No or Yes, the program hangs for about 1 to
 2 minutes, and then crashes.


--
Ticket URL: <http://trac.wxwidgets.org/ticket/10802>
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