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net tab stopping user seeing contents

Posted on 2009-07-01
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Last Modified: 2013-12-17
Hi

Have windows application c#

Tab - I want on click event of tab - to show warning message if no permission

But in method tab selected it is too late as after messagebox it still goes to tab contents - where do I put code please
Rgds
Stephen
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Question by:stephenwilde
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4 Comments
 
LVL 19

Expert Comment

by:elimesika
ID: 24754725
HI

You should use the Selecting Event that has TabControlCancelEventArgs  
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Author Comment

by:stephenwilde
ID: 24756493
Hi

Thanks for your reply - but could you expain your soution a little bit more please and I cannot find a cancel event

Rgds
stephen
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LVL 19

Accepted Solution

by:
elimesika earned 2000 total points
ID: 24762221
HI Stephen

You have to implement the Selecting event and use the passed argument to cancel the switching

Something like this ....
private void tabControl_Selecting(object sender,TabControlCancelEventArgs e)
{
 
e.Cancel = !IsAuthorized();
 
}
 
private bool IsAuthorized () {
 
// check authorization and return true/false
}

Open in new window

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Author Closing Comment

by:stephenwilde
ID: 31598709
Thank you
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