public bool OnBeforeContextMenu(IWebBrowser browserControl, IContextMenuParams parameters)
{
var chromiumWebBrowser = browserControl as ChromiumWebBrowser;
if (chromiumWebBrowser != null)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
try
{
var customContextMenu = chromiumWebBrowser.ContextMenu;
customContextMenu.MenuItems.Clear();
if (parameters.IsEditable)
{
customContextMenu.MenuItems.Add(new MenuItem("撤销", (s, e) => { chromiumWebBrowser.Undo(); }));
customContextMenu.MenuItems.Add(new MenuItem("重做", (s, e) => { chromiumWebBrowser.Redo(); }));
customContextMenu.MenuItems.Add(new MenuItem("-"));
}
/*if (parameters.HasImageContents)
* {
* customContextMenu.MenuItems.Add(new MenuItem("图片另存为", (s, e) => { chromiumWebBrowser.Copy(); }));
* customContextMenu.MenuItems.Add(new MenuItem("-"));
* }*/
customContextMenu.MenuItems.Add(new MenuItem("剪切", (s, e) => { chromiumWebBrowser.Cut(); }));
customContextMenu.MenuItems.Add(new MenuItem("复制", (s, e) => { chromiumWebBrowser.Copy(); }));
customContextMenu.MenuItems.Add(new MenuItem("粘贴", (s, e) => { chromiumWebBrowser.Paste(); }));
customContextMenu.MenuItems.Add(new MenuItem("-"));
customContextMenu.MenuItems.Add(new MenuItem("后退", (s, e) => { chromiumWebBrowser.Back(); })
{
Enabled = chromiumWebBrowser.CanGoBack
});
customContextMenu.MenuItems.Add(new MenuItem("前进", (s, e) => { chromiumWebBrowser.Forward(); })
{
Enabled = chromiumWebBrowser.CanGoForward
});
customContextMenu.MenuItems.Add(new MenuItem("刷新", (s, e) => { chromiumWebBrowser.Reload(); })
{
Enabled = chromiumWebBrowser.CanReload
});
/*customContextMenu.MenuItems.Add(new MenuItem("-"));
* customContextMenu.MenuItems.Add(new MenuItem("缩小",
* (s, e) =>
* {
* chromiumWebBrowser.ZoomLevel /= 1.2;
* }));
* customContextMenu.MenuItems.Add(new MenuItem("放大",
* (s, e) => { chromiumWebBrowser.ZoomLevel *= 1.2; }));
* customContextMenu.MenuItems.Add(new MenuItem("默认显示大小",
* (s, e) =>
* {
* chromiumWebBrowser.ZoomLevel = 1;
* }));*/
customContextMenu.MenuItems.Add(new MenuItem("-"));
customContextMenu.MenuItems.Add(new MenuItem("打印", (s, e) => { chromiumWebBrowser.Print(); }));
Point point;
if (MouseHelper.GetCursorPos(out point))
{
int top = 0, left = 0;
if (WindowState.Normal.Equals(Application.Current.MainWindow.WindowState))
{
top = (int)Application.Current.MainWindow.Top + 20;
left = (int)Application.Current.MainWindow.Left + 8;
}
customContextMenu.Show(chromiumWebBrowser, new Point(point.X - left, point.Y - top - 62));
}
}
catch (Exception exception)
{
_loggor.Error(exception);
}
}));
}
return(false);
}
