Form onload and foucs issues

hi.

i have a form that i create when my app starts. then when a user right clicks i show it. the first time it pops up the first out of three buttons has focus like it should. each button has a tab index of 1,2,3 repsectively. also, in the form on load i have button.focus();. however, whenever i popup the form for the second+ time the last button that was clicked on is focused, not button one. i dont understand why the focus method isnt setting foucs to button one. how can i achieve this?

thank you.
jeremiahscottAsked:
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AlexFMCommented:
Handle VisibleChanged Event and set focus there:

private void Form_TextChanged(object sender, EventArgs e)
{
    if ( Visible == True )
        button.focus();
}
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purpleblobCommented:
Are you using ShowDialog or Show ?

Basically it sounds like you are setting the focused item and then calling ShowDialog, this would appear to be setting the focus prior to display but when the Form displays it is restoring the form's state to the state when it was last closed.

What you could do is place the button.Focus() call into the form's (which has the buttons in) Activated event.

Hope this helps
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jeremiahscottAuthor Commented:
im still a little confused.
i will have to check tonite if i am using show or show dialog.

what i do know is that from my main form i call show/showdialog. then i set a breakpoint in the onload of the form it is showing. it goes thru there and calls the button1.focus(). i thought that onload was called each time the form is shown, which is seems to be since the break point is hit. i still dont understand why calling button1.focus() doent work there. sorry =(
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purpleblobCommented:
Okay, just played with this a little more and I think I understand what's actually happening underneath.

As you say the Load event gets called each time the form loads, but the form is not made visible until the Load event completes (i.e. the Load event is called - you do your initialization within it then the method that fired the event makes the form visible). Now it would appear that until the form is made visible setting focus within the Load event will have no effect.

This can be seen by placing the following in the Load event

bool b = textBox1.Focused;
textBox1.Focus();
b = textBox1.Focused;

Even if textBox1 is the first control in the tab order it will not have focus during the Load event at any point. However if you set the form to Visible before setting focus you'll get the desired effect.

i.e.

this.Visible = true;
bool b = textBox1.Focused;
textBox1.Focus();
b = textBox1.Focused;

The following link http://support.microsoft.com/default.aspx?scid=kb;en-us;822493 shows some alternate methods for setting the focus during the load event (it's in VB.NET but pretty self explanatory)

Hope this helps
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jeremiahscottAuthor Commented:
thanks for the detailed explination. i understand what is going on now.
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purpleblobCommented:
Glad to have helped :-)
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