CFileDialog save/replace problem?
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Hi I am working with CFileDialog in MFC SDI application. When I open a file for ex: test.txt from File->Open menu, the contents of the file are read and displayed on the view. When I select, File->Save option to save the contents of the file, a CFileDialog is displayed. When the selected file from CFileDialog is the same file as the opened one i.e test.txt, then a special message should be displayed to the user and the default windows warning message asking for replacing the file should not be displayed. However if any different already existing file is selected, then the default windows warning message should be displayed. In other words, I want to ovveride the function that is called when we click on CFileDialog's save button. Can anyone please give me some inputs for doing this? Thanks
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Hi I am working with CFileDialog in MFC SDI application. When I open a file for ex: test.txt from File->Open menu, the contents of the file are read and displayed on the view. When I select, File->Save option to save the contents of the file, a CFileDialog is displayed. When the selected file from CFileDialog is the same file as the opened one i.e test.txt, then a special message should be displayed to the user and the default windows warning message asking for replacing the file should not be displayed. However if any different already existing file is selected, then the default windows warning message should be displayed. In other words, I want to ovveride the function that is called when we click on CFileDialog's save button. Can anyone please give me some inputs for doing this? Thanks
The
CFileDialoghas am_ofndata member that is theOPENFILENAMEstructure used by the underlying common dialog. There is alpfnHookmember of that structure that allows you to intercept messages before the dialog processes them. In that hook you can react to what happens when the user commits the dialog with a specific filename being selected or not selected. Search the MSDN documentation forOPENFILENAMEandlpfnHookfor more information and possibly examples/samples. Peace! -=- James
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