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I want to close a view and then open it again. For opening this view again, I need the doc. 
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I want to close a view and then open it again. For opening this view again, I need the doc.

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keep all neccessary data in the global objects (like CWinApp or CMainFrame)<br />
then from CDocuments reach data using<br />
AfxgetApp() or AfxGetMainWnd() calls.<br />
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you will need to load data once when opening first document then reuse it.<br />

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keep all neccessary data in the global objects (like CWinApp or CMainFrame)
then from CDocuments reach data using
AfxgetApp() or AfxGetMainWnd() calls.

you will need to load data once when opening first document then reuse it.


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That is not the solution I want. All my data is stored in the doc and I want to access the data thru the doc. Moving it to the app or mainfrm will take some effort. I know that keeping the doc open can be done..... just don't know how.
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That is not the solution I want. All my data is stored in the doc and I want to access the data thru the doc. Moving it to the app or mainfrm will take some effort. I know that keeping the doc open can be done..... just don't know how.

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Adjusted points from 100 to 200
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Thanks. That did the trick.
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When I close the last view/frame in an MDI application, the document automatically gets closed, and its destructor is called. Can I prevent this from happening? 
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When I close the last view/frame in an MDI application, the document automatically gets closed, and its destructor is called. Can I prevent this from happening? 

keeping doc open when last frame closes

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.