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Directory Selection Dialog Box


I am trying to find some information on the directories
list box found under the directories tab of the Tools Options dialog box in Visual C++ 4.2.  Double clicking on a blank line int the box brings up a button on the right hand side of the line with three dots.  Pushing this button brings up a dialog similar to file open but only shows directories which can be chosen.  I would assume the list box stuff is done through sub-classing but any info would be appreciated.  Finally is this directory open dialog box something I can use such as the File Open or Color Selection dialog or is it designed specifically by Microsoft for this product???
         Thanks in advance,
                   Derek
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derekl
Asked:
derekl
1 Solution
 
tarangCommented:
I doubt very much that the list box is sub-classed.  It would be
much easier to use DlgDirList function to populate the list box.
However a much better method exists.  Use GetOpenFileName and in
the OPENFILENAME structure give it an lpfnHook where you can
intercept the WM_INITDIALOG and WM_COMMAND messages.  You can
then hide and resize the dialog and then get whatever the user
does.  If messing around with the dialog at run-time is not
palitable to you then you can always load a copy commdlg.dll into
VC and look at it's resources.  You can then copy the File Open
dialog and modify it.  You can then pass the copied and modified
resource as the lpTemplateName in the OPENFILENAME structure.

All common dialogs: Find, Font, Color, Open, Save, have API calls
and can be modified in similar methods to those described above.
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