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Get the last WIN32 error

#include "stdafx.h" #using "System.dll" using namespace System; using namespace System::ComponentModel; // for Win32Exception using namespace System::Runtime::InteropServices;  [DllImport("kernel32.dll", SetLastError=true)]  extern bool SetVolumeLabel(String^ lpRootPathName, String^ lpVolumeName);  bool TestGetLastWin32Error() {     if (SetVolumeLabel("BAD:\\", "VolumeName"))     {       System::Console::WriteLine("Success!");        return true;    }    else    {       throw gcnew Win32Exception(Marshal::GetLastWin32Error());     }     return false; }  int main() {    try    {       TestGetLastWin32Error();    }    catch(Win32Exception^ e)    {       Console::WriteLine(e->ToString());    } }