Capturing all click events in user control

Question

I'm developing a custom list sort of idea, which consists basically of usercontrols stacked vertically in a FlowLayoutPanel. I'm writing it this way so that I can add buttons that appear on the list item when it is selected.

The list item control has a few labels on it and some panels, so in order to determine whether the whole list item was clicked on (to select it, and make the buttons appear), I have to add click event handlers to all the labels and panels etc.

I was wondering if there was an easier way to do this, by capturing all the click events for the control, kinda like KeyPreview, but for click events.

Thanks.

score 0 · Answer 1 · answered Aug 25 '09 at 17:07

0

add a Rectangle over the top of the user controls and paint with a transparent brush then add the click handler to this.

Andrew

answered Aug 25 '09 at 17:07

REA_ANDREW

10,666
8
48
71

A Rectangle? As in a System.Drawing.Rectangle? – Aug 25 '09 at 18:21
http://stackoverflow.com/questions/347439/custom-controls-in-c-winforms-mouse-event-question – REA_ANDREW Aug 26 '09 at 08:59

score 0 · Answer 2 · answered Aug 27 '09 at 01:50

I solved it eventually by overriding WndProc like so:

public partial class ListItem: UserControl
{
    private const int WM_MOUSEACTIVATE = 0x0021;

    protected override void WndProc(ref Message m)
    {
        if(m.Msg == WM_MOUSEACTIVATE)
        {
            Debug.Print("Activated!");
        }

        base.WndProc(ref m);
    }
}

I reckon this is probably the easiest solution. Still, thanks for the suggestions Andrew!

Capturing all click events in user control

2 Answers2