c# 一个空白窗体,点窗体的任何位置,都可以一定整个窗体,如何做

c# 一个空白窗体,点窗体的任何位置,都可以一定整个窗体,怎么做?
c# 一个空白窗体,点窗体的任何位置,都可以一定整个窗体,怎么做?

[解决办法]

C# code

using System.Runtime.InteropServices; public partial class FMian : Form{        [DllImport("user32.dll")]        public static extern bool ReleaseCapture();        [DllImport("user32.dll")]        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);         public const int WM_SYSCOMMAND = 0x0112;        public const int SC_MOVE = 0xF010;        public const int HTCAPTION = 0x0002;        private void Form1_MouseDown(object sender, MouseEventArgs e)        {            ReleaseCapture();            SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);        }}