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Hello!

In my child frame I have CExtTabWnd control with two CView-based windows as pages. But if I minimize my application by pressing system menu button in captionbar, and restore it, my tabs are disappeared. What is happened?

To help you, we need some more details:

- Do you use a CExtTabPageContainerWnd-based window with CView-based windows inside?
- Or do you have a classic MDI application with MDI tab control?
- Which view classes exactly are used as base classes of your view windows (CView, CScrollView, CFormView, and etc.)?

Of course, to clear the issue your source code would be helpful (Feel free to send us a test application so that we can help you quicker) .

I have CMDIChildWnd-based class as child frame with CExtTabFlatWnd member in it. In overrided method OnTabWndClickedItem I show or hiding views. Classes used as panes are CView-based classes, neither CFormView or CScrollView. But one of them have your control grid.

You have your own tab control and use it for switching between two windows. And you have performed view switching manually. We guess the error is somewhere in your code, not in Prof-UIS. To help you, we need to take a look at your project.

I solved this problem by giving zorder top most mode to tab window control after changing minimize\normal\maximize state of application.