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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
I’m trying to solve an annoying problem with my VTK window. Once in
a while (about 1/3 of the time), when I’m running my application in debug
mode, I keep getting the ChoosePixelFormat error. The debugger shows that
it happens when I set the renderwindow. I have updated my Video Drivers
and am using the NVIDIA Quadro FX 3450. <font color=navy><span
style='color:navy'>(Note: This also tends to happen in Release mode).</span></font><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
Here’s the general code:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>----------------------------------------------------------<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> <font
color="#010001"><span style='color:#010001'>vtkWin32RenderWindowInteractor</span></font>*
<font color="#010001"><span style='color:#010001'>iren</span></font> = <font
color="#010001"><span style='color:#010001'>vtkWin32RenderWindowInteractor</span></font>::<font
color="#010001"><span style='color:#010001'>New</span></font>();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> <font
color="#010001"><span style='color:#010001'>iren</span></font>-><font
color="#010001"><span style='color:#010001'>SetInstallMessageProc</span></font>(0);<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> <font
color=green><span style='color:green'>// setup the parent window<o:p></o:p></span></font></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> <font
color=blue><span style='color:blue'>this</span></font>-><font color="#010001"><span
style='color:#010001'>pvtkWin32OpenGLRW</span></font>-><font color="#010001"><span
style='color:#010001'>SetWindowId</span></font>(<font color=blue><span
style='color:blue'>this</span></font>-><font color="#010001"><span
style='color:#010001'>GetSafeHwnd</span></font>());<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> <font
color=blue><span style='color:blue'>this</span></font>-><font color="#010001"><span
style='color:#010001'>pvtkWin32OpenGLRW</span></font>-><font color="#010001"><span
style='color:#010001'>SetParentId</span></font>(::<font color="#010001"><span
style='color:#010001'>GetParent</span></font>(<font color=blue><span
style='color:blue'>this</span></font>-><font color="#010001"><span
style='color:#010001'>GetSafeHwnd</span></font>()));<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> <font
color="#010001"><span style='color:#010001'>iren</span></font>-><font
color="#010001"><span style='color:#010001'>SetRenderWindow</span></font>(<font
color=blue><span style='color:blue'>this</span></font>-><font color="#010001"><span
style='color:#010001'>pvtkWin32OpenGLRW</span></font>);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>----------------------------------------------------------<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> Is
there anything that I’m forgetting to do?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Doug<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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