I this Can help you out OSVERSIONINFO The OSVERSIONINFO data structure contains operating system version information. The information includes major and minor version numbers, a build number, a platform identifier, and descriptive text about the operating system. This structure is used with the GetVersionEx function. typedef struct _OSVERSIONINFO{ DWORD dwOSVersionInfoSize; DWORD dwMajorVersion; DWORD dwMinorVersion; DWORD dwBuildNumber; DWORD dwPlatformId; TCHAR szCSDVersion[ 128 ]; } OSVERSIONINFO; AND lAST pARAMETER szCSDVersion Windows NT/2000/XP: Contains a null-terminated string, such as "Service Pack 3", that indicates the latest Service Pack installed on the system. If no Service Pack has been installed, the string is empty. Windows 95/98/Me: Contains a null-terminated string that indicates additional version information. For example, " C" indicates Windows 95 OSR2 and " A" indicates Windows 98 Second Edition ----------------------------- "I Think It Will Help" ----------------------------- Alok Gupta visit me at http://www.thisisalok.tk

Thanks all you guys ... i think i'll go with the last suggestion ... thanks

Clickety[^] /ravi My new year's resolution: 2048 x 1536 Home | Articles | Freeware | Music ravib@ravib.com

Now you leave me baffled. What is it that you want to do, not use SDK and not use any classes? As this is completely nonsensical, I guess you have to clarify the question a little.

Move your background blitting codes to OnEraseBkgnd(...)

Yes. Just make sure you select one of the unmanaged project types, from the ATL, MFC or Win32 categories. Obviously you can't use any .NET features. Stability. What an interesting concept. -- Chris Maunder