Changing file types in Save As dialog with CFileDialog

I'm using a CFileDialog class with a custom filter list such as "Windows Bitmaps (*.bmp)|*.bmp|Windows Metafile (*.wmf)|*.wmf||" and while the CFileDialog class does display these file types in the combo box, when the user chooses a type, the file name in the edit box does not update with the right extention. For example, if the user selects Windoes Metafile, I would expect the filename in the edit box to be changed to have the WMF extention. If Windows or MFC doesn't do this directly, I already know how to respond to OnTypeChange notifications but how can I change the filename in the dialog while it is still being displayed?
Thanks in advance.
Sherwin7Asked:
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mbhaktaCommented:
Maybe the way you are trying to implement this is not correct. Here is a sample code which might help you.

CFileDialog fdlg( TRUE,"BMP","",0,   "Bitmap  image (*.BMP)|*.BMP|All files (*.*)|*.*||",this);

fdlg.DoModal();

Try this. This works for me.
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Sherwin7Author Commented:
I am using the dialog for "Save As" the example you gave is for an "Open" dialog. Thanks anyways.
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