private void Cleanup()
{
if (IsClosed)
{
return;
}
_isClosed = true;
if (IsInvalid)
{
return;
}
// Save last error from P/Invoke in case the implementation of
// ReleaseHandle trashes it (important because this ReleaseHandle could
// occur implicitly as part of unmarshaling another P/Invoke).
int lastError = PInvokeMarshal.GetLastWin32Error();
ReleaseHandle();
PInvokeMarshal.SetLastWin32Error(lastError);
GC.SuppressFinalize(this);
}
public static int GetLastWin32Error()
{
return(PInvokeMarshal.GetLastWin32Error());
}