C#: How to detect who is the caller of a context menu's menu item when linked to two different objects?

Question

C#: How to detect who is the caller of a context menu's menu item when linked to two different objects?

I have two labels, lblOn and lblOff. I am linking 'one' contextmenu to both labels to discard having to make two of the same.

How would I go upon finding out which label object called the contextmenu.menuitem? That way the clicked on menuitem knows if it was it it's contextmenu was called by the lblOn label or lblOffline?

Answer 1

Check the SourceControl property of the ContextMenuStrip.

Answer 2

Disregard. After googling a bit more, I found a solution + code example.

private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
{
    //Make sure the sender is a ToolStripMenuItem
    ToolStripMenuItem myItem = sender as ToolStripMenuItem;
    if (myItem != null)
    {
        //Get the ContextMenuString (owner of the ToolsStripMenuItem)
        ContextMenuStrip theStrip = myItem.Owner as ContextMenuStrip;
        if (theStrip != null)
        {
            //The SourceControl is the control that opened the contextmenustrip.
            //In my case it could be a linkLabel
            LinkLabel linkLabel = theStrip.SourceControl as LinkLabel;
            if (linkLabel == null)
                MessageBox.Show("Invalid item selected.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            else
            {
                if (MessageBox.Show(string.Format("Are you sure you want to remove BOL {0} from this Job?", linkLabel.Text), "Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    linkLabel.Text = Program.NullValue(linkLabel);
                }
            }
        }
    }
}

Source: http://www.tek-tips.com/viewthread.cfm?qid=1441041&page=8