WinForm 重载窗体移动功能

代码均是写在partial class Form1 : Form{}代码块之间

View Code

[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);

}