C#下如何锁定屏幕?
C#学习过程中遇到问题,目的是想锁定自己计算机的屏幕,不允许操作
[DllImport("user32")]
private static extern int IsWindowEnabled(int hwnd);
[DllImport("user32")]
private static extern int EnableWindow(int hwnd, int fEnable);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern IntPtr GetDesktopWindow();
按纽中代码
int i = IsWindowEnabled(GetDesktopWindow);
if (i != 0)
{
EnableWindow(FOwner.Handle, 0);
}
提示出错,怎样解决啊!请各位指点怎么解决啊!