How to prevent a form from receiving focus on mouse click?

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4.00/5 (1 vote)

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Visual Studio 2010, C#; Preventing a form from receiving focus on mouse click, and instead send focus to the control on the form behind it.

I have two forms. The second form is always "on top" of the first form. And the area that it is covering is always a rich text box. My ultimate goal is that when form2 is clicked, form1 becomes active, and the rich text box is activated so that the 'I' cursor blinks and I can type. Also, the place where is clicked, should appear the 'I'.

In other words: Can I click 'through' the form?

Thank you. I have searched all over the internet to find the solution to this and to no avail, did not find anything of my needs. Nothing which has worked yet. This is what I have tried:

In form2.cs

C#

SetStyle(ControlStyles.Selectable, false);
and
this.Enabled = false;

Thank you once again.

Posted 7-Jun-12 20:36pm

vlad781

Updated 7-Jun-12 20:44pm

v3

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3 solutions

Solution 3

Have a look at this: it shows you how to do it.
http://stackoverflow.com/questions/4964205/non-transparent-click-through-form-in-net[^]

Posted 7-Jun-12 21:05pm

OriginalGriff

Solution 1

Use code

this.Focus();

this code will give focus to form.Instead of this you can write textbox1 and it will give focus to textbox1.
Example:
https://rapidshare.com/files/1759098260/Exemple.rar[^]

Posted 7-Jun-12 20:59pm

mmm3743

Comments

vlad781 8-Jun-12 3:01am

This is not exactly what I was looking for:

"In other words: Can I click 'through' the form?"

I have found my own solution, just now.

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vlad781 · Accepted Answer · 2012-06-07T21:03:00

I solved it... Finally.

Just place this code into the class of your form.

C#

protected override void WndProc(ref Message m)
        {
            if (m.Msg == (int)0x84)
                m.Result = (IntPtr)(-1);
            else
                base.WndProc(ref m);
        }

This will prevent that form from being active, there for sending all mouse commands 'under' that form; to form 1.