怎样用程序判断系统是Win2000还是WinXP？

[uaiia]

怎样用程序判断系统是Win2000还是WinXP？

[用户 昵称]

void CLakerDlg::DetectSystemVersion(void)
{
OSVERSIONINFOEX osvi;
BOOL bOsVersionInfoEx;
char sql[ 100 ];
memset( sql, 0, 100 );
#define a( t ) strcat( sql, t )

ZeroMemory( &osvi, sizeof( OSVERSIONINFOEX ) );
osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFOEX );
a( " -->" );

if( !( bOsVersionInfoEx = GetVersionEx( ( OSVERSIONINFO * ) &osvi ) ) )
{
osvi.dwOSVersionInfoSize = sizeof ( OSVERSIONINFO );
if ( !GetVersionEx ( ( OSVERSIONINFO * ) &osvi) )
{
//delete []s;
return;
}
}
switch (osvi.dwPlatformId)
{
case VER_PLATFORM_WIN32_NT:
if( osvi.dwMajorVersion <= 4 )
a( "Microsoft Windows NT " );
if( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 )
a( "Microsoft Windows 2000 " );
if( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
a( "Microsoft Windows XP " );
if( bOsVersionInfoEx )
{
if ( osvi.wProductType == VER_NT_WORKSTATION )
{
if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
a( "Personal " );
else
a( "Professional " );
}
else if ( osvi.wProductType == VER_NT_SERVER )
{
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
a ( "DataCenter Server " );
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
a ( "Advanced Server " );
else
a ( "Server " );
}
}
else
{
HKEY hKey;
char szProductType[80];
DWORD dwBufLen;

RegOpenKeyEx( HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Control\\ProductOptions", 0, KEY_QUERY_VALUE, &hKey );
RegQueryValueEx( hKey, "ProductType", NULL, NULL, ( LPBYTE )szProductType, &dwBufLen );
RegCloseKey( hKey );
if( lstrcmpi( "WINNT", szProductType ) == 0 )
a( "Professional " );
if( lstrcmpi( "LANMANNT", szProductType ) == 0 )
a( "Server " );
if( lstrcmpi( "SERVERNT", szProductType ) == 0 )
a( "Advanced Server " );
}

if ( osvi.dwMajorVersion <= 4 )
{
CString s0;
s0.Format( "version %d.%d %s ( Build %d )", osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.szCSDVersion, osvi.dwBuildNumber & 0xFFFF );
a( ( LPCTSTR )s0 );
}
else
{
CString s1;
s1.Format( "%s ( Build %d )", osvi.szCSDVersion, osvi.dwBuildNumber & 0xFFFF );
a( ( LPCTSTR )s1 );
}
break;

case VER_PLATFORM_WIN32_WINDOWS:

if ( osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0 )
{
a( "Microsoft Windows 95 " );
if ( osvi.szCSDVersion[ 1 ] == 'C' || osvi.szCSDVersion[ 1 ] == 'B' )
a( "OSR2 " );
}
if ( osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10 )
{
a( "Microsoft Windows 98 " );
if ( osvi.szCSDVersion[1] == 'A')
a( "SE " );
}
if ( osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90 )
{
a( "Microsoft Windows Me " );
}
break;

case VER_PLATFORM_WIN32s:
a( "Microsoft Win32s" );
break;
}
return;
}

[mostneed]

现成的类下载：

http://www.naughter.com/dtwinver.html

[mostneed]

还有一段：

#include <windows.h>;

OSVERSIONINFO OSInfo;

memset(&OSInfo, 0, sizeof(OSInfo));

// Set size
OSInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);

if(::GetVersionEx((OSVERSIONINFO *) &OSInfo) == FALSE)
return false;

switch(OSInfo.dwPlatformId)
{
case VER_PLATFORM_WIN32_NT:
if(OSInfo.dwMajorVersion <= 4)
// Microsoft Windows NT

if((OSInfo.dwMajorVersion == 5) && (!OSInfo.dwMinorVersion))
// Microsoft Windows 2000

if((OSInfo.dwMajorVersion == 5) && (OSInfo.dwMinorVersion == 1))
// Microsoft Windows XP

break;

case VER_PLATFORM_WIN32_WINDOWS:
if((OSInfo.dwMajorVersion == 4) && (!OSInfo.dwMinorVersion))
if(OSInfo.szCSDVersion[1] == 'C')
// Microsoft Windows 95 OSR2
else
// Microsoft Windows 95

if((OSInfo.dwMajorVersion == 4) && (OSInfo.dwMinorVersion == 10))
if(OSInfo.szCSDVersion[1] == 'A')
// Microsoft Windows 98 SE
else
// Microsoft Windows 98

if((OSInfo.dwMajorVersion == 4) && (OSInfo.dwMinorVersion == 90))
// Microsoft Windows ME

break;

case VER_PLATFORM_WIN32s:
// Microsoft Win32s

break;
}