基于Window消息实现 class TextBoxExt:TextBox { private const int WM_RBUTTONDOWN = 0x0204; private const int WM_CHAR = 0x0102; protected override void WndProc(ref Message m) { switch (m.Msg) { case WM_RBUTTONDOWN: return;//屏蔽默认右键菜单 break; case WM_CHAR: int n
Ext4.1 tree grid的右键菜单功能其实挺简单的 只要添加一个itemcontextmenu事件,并在事件中显示出Menu就OK了. 代码: this.tree.on('itemcontextmenu', function ( view, record, item, index, e, eOpts) { e.preventDefault(); //屏蔽默认右键菜单 rightMenu.showAt(e.getXY()); }); var rightMenu = new Ext.menu
1. 屏蔽右键菜单 在菜单中单击"工程"->"引用",在列表中找到"Microsoft HTML Object Library"打上勾,按确定就可以了. 然后自己加上控件 Dim WithEvents M_Dom As MSHTML.HTMLDocument Private Function M_Dom_oncontextmenu() As Boolean M_Dom_oncontextmenu = Fa
//屏蔽右键菜单procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean);begin with Msg do begin if not IsChild(WebBrowser1.Handle, hWnd) then Exit; Handled := (message= WM_RBUTTONDOWN) or(message= WM_RBUTTONUP) or(message=