![]() Public extern static IntPtr GetProcAddress(IntPtr hwnd, string procedureName) Public extern static IntPtr LoadLibrary(string libraryName) (would have posted as a comment, but I'm a new user!) ![]() ![]() Just figured I'd post it so other people didn't have roll it by hand. This is just an implementation of what's suggested above by Bruno Lopez, but works on Win2k + all WinXP service packs. If (!IsWow64Process(p.Handle, out retVal)) Using (Process p = Process.GetCurrentProcess()) Public static bool InternalCheckIsWow64() Private static extern bool IsWow64Process( Static bool is64BitOperatingSystem = is64BitProcess || InternalCheckIsWow64() My solution: static bool is64BitProcess = (IntPtr.Size = 8) How to detect programmatically whether you are running on 64-bit Windows If this returns true, you are running in a 32-bit process on 64-bit Windows. NET you can do so by checking IntPtr.Size), and if you are running in a 32-bit process, you still have to call the Win API function IsWow64Process. NET Framework 2.0 on 64-bit Windows (it would return 32-bit).Īs Microsoft's Raymond Chen describes, you have to first check if running in a 64-bit process (I think in. ![]() IntPtr.Size won't return the correct value if running in 32-bit. NET Framework 4.0, you can just check Environment.Is64BitOperatingSystem. UPDATE: As Joel Coehoorn and others suggest, starting at. ![]()
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