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Blank TabControl after removing TabPage

Posted on 2013-10-25
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Last Modified: 2013-10-27
I have a TabControl in a Windows Forms app (VB 2008). Some of the tabs aren't used for certain versions of my app. I use conditional compilation to .Remove those that won't be used, which has worked fine.

However, I'm creating a new version which doesn't need to display the first TabPage of the TabControl, and I'm running into a problem. I have specified a new page for index=0, but now when the application starts, the TabControl is always completely blank. If I click on one of the tabs, a proper page displays.

What is blanking the control, and how do I overcome that?
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Question by:ElrondCT
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4 Comments
 
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Accepted Solution

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Ess Kay earned 500 total points
ID: 39601483
you somewhere drop your tabs or hide them

look inside your form.load function first, if not, maybe the tab visibility is set to false
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LVL 15

Expert Comment

by:Ess Kay
ID: 39601484
if you can't find it, do something like

tabcontrol1.tabs(0).visible = true
inside the form load
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Author Comment

by:ElrondCT
ID: 39601700
I am intentionally doing a .Remove of the first tab (in the Form Load event handler). However, your mention of .Visible caused me to trace what was happening with that property on my desired tab (even though it's not normally listed as a property of the TabPage). It turned out that I was trying to select the original first tab, even though it had been removed, which turned off the .Visible property of the tab I wanted to display. Eliminating the spurious selection keeps my desired tab visible.
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LVL 15

Expert Comment

by:Ess Kay
ID: 39604729
Glad i helped you find the problem
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