在WinForm程序中,要移动没有标题栏的窗口,基本的实现思路是监听需要拖动窗口内的控件的鼠标事件,然后将鼠标位置发送给窗口进行相应的位移就可以了。通过借用Windows API也可以很容易实现这一点,比如像下面这样。
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public class Win32Api { public const int WM_SYSCOMMAND = 0x112; public const int SC_DRAGMOVE = 0xF012; [DllImport( "user32.Dll" , EntryPoint = "ReleaseCapture" )] public extern static void ReleaseCapture(); // 鼠标捕获 [DllImport( "user32.Dll" , EntryPoint = "SendMessage" )] public extern static void SendMessage(IntPtr hWnd, int wMsg, int wParam, int lParam); // 将消息发送给指定的窗口 } private void pnlHeader_MouseDown( object sender, MouseEventArgs e) { Win32Api.ReleaseCapture(); Win32Api.SendMessage( this .Handle, Win32Api.WM_SYSCOMMAND, Win32Api.SC_DRAGMOVE, 0); } |
当然,你还可以向这样向窗口发送消息,来实现拖动自定义标题栏移动窗口
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public const int WM_NCLBUTTONDOWN = 0x00A1; public const int HTCAPTION = 2; private void pnlHeader_MouseDown( object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { // 释放控件已捕获的鼠标 pnlHeader.Capture = false ; // 创建并发送WM_NCLBUTTONDOWN消息 Message msg = Message.Create( this .Handle, Win32Api.WM_NCLBUTTONDOWN, new IntPtr(Win32Api.HTCAPTION), IntPtr.Zero); this .DefWndProc( ref msg); } } |
以上就是WindowsForm移动一个没有标题栏的窗口的方法的详细内容,更多关于WindowsForm 移动窗口的资料请关注服务器之家其它相关文章!
原文链接:https://www.cnblogs.com/zhuanghamiao/p/WindowsForm-DragMove.html