TextBox.Focus() doesn't focus

[kwarnke]

I have a textobx that appears on a tab page. I'm trying to set the focus on
that textbox but it doesn't seem to work. The focus always defaults to a
button that is on the form (but not on the tab page).

Any ideas? I tried focusing on the tab page and then on the text box to no
avail.

Thanks,
- Kevin

 

[Herfried K. Wagner [MVP]]

I have a textobx that appears on a tab page. I'm trying to set the focus on
that textbox but it doesn't seem to work. The focus always defaults to a
button that is on the form (but not on the tab page).

Are you sure the form and the controls are visible when calling the
textbox's 'Focus' method?

 

[Andrew Bingham]

Try instrumenting the code with the control's "CanFocus" property to see
whether it CAN get the focus ?

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[Justin Rogers]

Focus returns true/false success. Note that synchronous ordering when working
with controls can sometimes cause your values to get reset. If you are calling
the Focus method from within an event handler, try using:

private delegate bool BooleanMethodInvoker();
public void Some_EventHandler(...) {
myTextBox.BeginInvoke(new BooleanMethodInvoker(myTextBox.Focus));
}

An examination of using the invoke methods can be found here:
http://weblogs.asp.net/justin_rogers/articles/126345.aspx