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Saving the file contents in a view class

Posted on 2003-03-24
Medium Priority
Last Modified: 2013-11-20
I have an MDI application where each child document is divided into three panes.One pane has a treeview, another has a listview, 3rd pane has a normal CView. All the changes I make in these are stored in a single file. How do I implement serialization for these ?
  If I create an application with Richedit view as the base class,then all these are handled automatically.Some concepts include

1. On Saving a new document only once a save dialog is flashed.On saving subsequently the dialog box is not flashed.But the contents are saved.
2. Similarly on opening a saved document and then subsequently saving it doesn't flash the save dialog box.But the contents are saved.

All these I could implement in my application by setting a flag. Is there any other alternative to this which could make it more efficient? Is serialization behind it ?

3.On closing the document it automatically asks whether to save it in a Rich edit application. How do I track it in an ordinary application as mine? This is the major glitch I face.Pls help.

thanx in advance

Question by:cira
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Accepted Solution

aphillips earned 100 total points
ID: 8197875
The three views should be different views of the same data stored in the associated document, or if they use different but related data all the data should be stored togetherin the document.  Thence serializing the document will save/restore the data.  You need to write the serialization code, of course.

The putting up of the "Save As" dialog in a new document is all handled by MFC.  Basically all you have to worry about is that if the user does something that changes the document you need to call SetModifiedFlag().

Does this answer your question?


Author Comment

ID: 8201998
There is only one document class for this application.How do i associate each view's changes to the document ? Will u suggest any sample code for this implementation.

thnx in advance.

Expert Comment

ID: 8216557
Normally when you create a view you specify a document.  How do you create your views?

Author Comment

ID: 8216760
In my application I have many classes all derived from many View classes such as TreeView,ListView etc.Now i have understood the concept behind associating class data to the corresponding document.Thus enabling serialization.


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