public static bool Is64BitProcess( int pid )
{
SYSTEM_INFO si = new SYSTEM_INFO();
UnsafeFunctions.GetNativeSystemInfo(ref si);
if (si.processorArchitecture == 0)
{
return false;
}
IntPtr hProcess = UnsafeFunctions.OpenProcess(ProcessAccessFlags.QueryInformation, false, pid);
if (IntPtr.Zero == hProcess)
{
throw new Exception("Cann't open process.");
}
bool result;
if (!UnsafeFunctions.IsWow64Process(hProcess, out result))
{
UnsafeFunctions.CloseHandle(hProcess);
throw new InvalidOperationException();
}
UnsafeFunctions.CloseHandle(hProcess);
return !result;
}
public static extern void GetNativeSystemInfo(ref SYSTEM_INFO si);
public static extern void GetNativeSystemInfo( ref SYSTEM_INFO si );