public void Dispose()
{
if (IntPtr.Zero != hToken)
{
SetPrivilege(false);
UnsafeMethods.CloseHandle(hToken);
hToken = IntPtr.Zero;
}
}
public Privilege(string name)
{
this.name = name;
IntPtr hThread = UnsafeMethods.GetCurrentThread();
if (!UnsafeMethods.OpenThreadToken(hThread, UnsafeMethods.TOKEN_ADJUST_PRIVILEGES | UnsafeMethods.TOKEN_QUERY, false, out hToken))
{
int error = Marshal.GetLastWin32Error();
if (error != UnsafeMethods.ERROR_NO_TOKEN)
{
throw new Win32Exception(error);
}
if (!UnsafeMethods.ImpersonateSelf(UnsafeMethods.SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation))
{
error = Marshal.GetLastWin32Error();
throw new Win32Exception(error);
}
if (!UnsafeMethods.OpenThreadToken(hThread, UnsafeMethods.TOKEN_ADJUST_PRIVILEGES | UnsafeMethods.TOKEN_QUERY, false, out hToken))
{
error = Marshal.GetLastWin32Error();
throw new Win32Exception(error);
}
}
if (!SetPrivilege(true))
{
int error = Marshal.GetLastWin32Error();
UnsafeMethods.CloseHandle(hToken);
hToken = IntPtr.Zero;
throw new Win32Exception(error);
}
}