What happened when I delete the first tabpage in the tabcontrol

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I have a Form with a TabControl which contain 3 TabPage.
When I remove the second or third TabPage, the cursor will be on a textbox that is not on the TabControl and has smallest TabIndex. But when I remove the first one, the first
TabPage will be selected (It mean the cursor is on the TabPage). I don't know why? Can anyone explain? I really want it still focus on the textbox which is not on the TabControl and has smallest TabIndex.

What I have tried:

I try to get the next control which will be selected next by using Form.GetNextControl before remove the TabPage and set focus to this. It work but i don't think this is the best solution.

Posted 15-Aug-18 17:47pm

Tan Nguyen Dang

Updated 17-Aug-18 10:00am

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[no name] 16-Aug-18 12:58pm

Sometimes, a "workaround" is the only answer.

Which "event handlers" get fired when a Tab is removed? Loses focus? Does a tab have focus? Which control on the tab had focus when the tab was deleted? Does it matter which control? etc.

Tan Nguyen Dang 16-Aug-18 23:36pm

I remove it in onload event of the form. The cursor is on the tab of the tabpage, not focus to the control when i remove the first tabpage. Because of the business, I need the cursor is on the textbox which is not contained in the TabControl and has smallest TabIndex.
Thanks for your comment. ^_^

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CoderzF1 · Answer 1 · 2018-08-17T10:00:00

Solution 1

i found something that worked for me, but don't know if it will work for you.

in the onload event try using

VB

tabcontrol1.tabpages.remove(tabpage1)
tabcontrol1.visible = false
tabcontrol1.visible = true

it's strange, but it does work.

Posted 17-Aug-18 10:00am

CoderzF1