when I create an MFC application useing opengl ,it can not display the square i want.it only displays empty.
The output debug are:practice.exe':
Loaded 'D:\My Documents\Visual Studio 2010\Projects\practice\Debug\practice.exe', Symbols loaded.
'practice.exe': Loaded 'C:\Windows\System32\ntdll.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\kernel32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\KernelBase.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\opengl32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\msvcrt.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\advapi32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\sechost.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\rpcrt4.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\gdi32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\user32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\lpk.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\usp10.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\glu32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\ddraw.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\dciman32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\setupapi.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\cfgmgr32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\oleaut32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\ole32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\devobj.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\dwmapi.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\msimg32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\comdlg32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\shlwapi.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\shell32.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\winspool.drv', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\System32\oledlg.dll', Cannot find or open the PDB file
'practice.exe': Loaded 'C:\Windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.18120_none_72d2e82386681b36\GdiPlus.dll', Cannot find or open the PDB file
Submit an article or tip