private void OnTargetWidgetMouseDown(NMouseButtonEventArgs args)
{
NGroupBox ownerGroupBox = (NGroupBox)args.CurrentTargetNode.GetFirstAncestor(NGroupBox.NGroupBoxSchema);
string groupBoxTitle = ((NLabel)ownerGroupBox.Header.Content).Text;
if ((groupBoxTitle.StartsWith("Left") && args.Button != ENMouseButtons.Left) ||
(groupBoxTitle.StartsWith("Right") && args.Button != ENMouseButtons.Right))
{
return;
}
// Mark the event as handled
args.Cancel = true;
// Create and show the popup
CreateMenuDelegate createMenuDelegate = (CreateMenuDelegate)args.CurrentTargetNode.Tag;
NMenu contextMenu = createMenuDelegate();
NPopupWindow.OpenInContext(new NPopupWindow(contextMenu), args.CurrentTargetNode, args.ScreenPosition);
}
private NWidget CreateWidget(string text, CreateMenuDelegate createMenuDelegate)
{
NLabel label = new NLabel(text);
label.HorizontalPlacement = ENHorizontalPlacement.Center;
label.VerticalPlacement = ENVerticalPlacement.Center;
label.TextFill = new NColorFill(NColor.Black);
NContentHolder widget = new NContentHolder(label);
widget.HorizontalPlacement = ENHorizontalPlacement.Left;
widget.VerticalPlacement = ENVerticalPlacement.Top;
widget.BackgroundFill = new NColorFill(NColor.PapayaWhip);
widget.Border = NBorder.CreateFilledBorder(NColor.Black);
widget.BorderThickness = new NMargins(1);
widget.PreferredSize = new NSize(200, 100);
widget.Tag = createMenuDelegate;
widget.MouseDown += new Function <NMouseButtonEventArgs>(OnTargetWidgetMouseDown);
return(widget);
}
