Check if context menu is displayed

[Kim]

Hi again!

How can I check if context menu is displayed?

I have a mouse_click event and if the user right clicks off a row (into white space) I display a custom popup. However, when the user right clicks on a row, the context menu pops up and then my menu pops up over top.

What i need to do is to determine whether the user right clicked on a row, or on white space so i can avoid showing my popup if they right clicked on a row.  

Thanks.

[Dimitar]

Hello Kim,

Thank you for writing.

You can use the following mouse click event which will display the custom context menu only if you are not clicking on cell:

void radGridView1_MouseClick(object sender, MouseEventArgs e)
{
    GridDataCellElement cell = radGridView1.ElementTree.GetElementAtPoint(e.Location) as GridDataCellElement;

    if (e.Button == System.Windows.Forms.MouseButtons.Right && cell == null)
    {
        Point p = (sender as Control).PointToScreen(e.Location);
        contextMenu.Show(p.X, p.Y);
    }
}

I hope this helps. Should you have any other questions do not hesitate to ask.

Regards,
Dimitar
Telerik

[AD]

How can you check from a thread within a Form if the contextmenu of a radgridview is diplayed or if it is hidden?

[Dess | Tech Support Engineer, Principal]

Hello, Apostolos,

The default context menu of RadGridView is displayed when you right-click a grid's cell. In the ContextMenuOpening event you can subscribe to the ContextMenu.DropDownOpened and ContextMenu.DropDownClosed events in order to detect when the context menu is opened/closed. 

        public RadForm1()
        {
            InitializeComponent();

            this.radGridView1.ContextMenuOpening += radGridView1_ContextMenuOpening;
        }

        private void radGridView1_ContextMenuOpening(object sender, ContextMenuOpeningEventArgs e)
        {
            e.ContextMenu.DropDownOpened -= ContextMenu_DropDownOpened;
            e.ContextMenu.DropDownOpened += ContextMenu_DropDownOpened;

            e.ContextMenu.DropDownClosed -= ContextMenu_DropDownClosed;
            e.ContextMenu.DropDownClosed += ContextMenu_DropDownClosed;
        }

I hope this information helps. If you need any further assistance please don't hesitate to contact me. 

Regards,
Dess | Tech Support Engineer, Sr.
Progress Telerik