controls are invisible

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When I added multiple windows in one tab control of main parent dialogue,it added successfully but whenever I'm run the program that time it runs an application but after pressing the escape button it loses all the controls in child windows, what I do for it?

Posted 6-Dec-12 1:27am

Venkat Raghvan

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ThatsAlok 6-Dec-12 8:35am

Apology, you question is not clear, do you meant to say that, when you press escape key and the control is deleted or child window get closed!

Venkat Raghvan 6-Dec-12 9:10am

yes the controls are deleted, window remains as it is!!

ThatsAlok 6-Dec-12 9:34am

In the Design mode or in the Running app

Venkat Raghvan 7-Dec-12 1:55am

in running app

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Pascal-78 · Answer 1 · 2012-12-07T00:03:00

Solution 1

In the child dialogs (the ones you insert in the tab control) you need to override the OnCancel method of the MFC CDialog (or CDialogEx)
And do nothing in it, not even calling the base method:

C++

void CMySubDialog::OnCancel()
{
// CDialogEx::OnCancel();
}

Posted 7-Dec-12 0:03am

Pascal-78

Comments

Venkat Raghvan 7-Dec-12 7:37am

Sorry!! but this is not working,it run as previous one!

Venkat Raghvan 9-Dec-12 23:42pm

One more think I observed that, whenever I click on the respective tab containing child windows after that escape button pressed,it resulted invisible all the controls in the respective child form & parent window looked like that it repaint with white colour.
Help me please

Pascal-78 10-Dec-12 8:11am

Can you post a small project that reproduces this behaviour?