引用
using System.RunTime.InteropServices;
2.属性
[DllImport("user32.dll")]//*********************拖动无窗体的控件
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;
使用
ReleaseCapture();
SendMessage(this.Handle,
WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);//*********************调用移动无窗体控件函数