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Help on closing an MDI document window

Posted on 2003-02-25
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Last Modified: 2013-11-20
Hi!
I’m writing an MDI-Doc/View application. I have added one option that reads a file from the disk and displays its contents in a new MDI window (Here, I'm not using the standard serialization mechanism). This works fine, the only problem I have is that if there already exists an MDI child window, I would like to automatically close it (if it’s empty, of course). What would be the best way to do that?

Thanks for your help.
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Question by:elito
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6 Comments
 
LVL 12

Accepted Solution

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migel earned 400 total points
ID: 8019387
Hi!
You have to use MDIDestroy method:
for example:

// CMainFrame::OnCloseWindow() is a menu command handler for
// CMainFrame class, which in turn is a CMDIFrameWnd-derived
// class. It closes and destroys the current active MDI child window.
void CMainFrame::OnCloseWindow()
{
   CMDIChildWnd* child = MDIGetActive();
   if (child)
      child->MDIDestroy();
}

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Author Comment

by:elito
ID: 8020793
But this will close the current active child window, I want to close an empty document window.
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LVL 12

Expert Comment

by:migel
ID: 8023647
Okay just found it and close :-)
To enumerate all windows for one document type you can use DocTemplate class ->from this class you can get all views associated with given document type and so on.
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