>>>>Can you lead me to the path of the common dialog.
>>>
>>>It's fully documented in the MSDN Library. Probably the easiest way to get to the help file is to drop the control on a form (you need to make sure that the check box for the Microsoft Common Dialog Control 6.0 is checked on the Controls tab of the Tools/Options dialog). Simply right click on the control and select Help from the context menu.
>>
>>George,
>>
>>I'm trying to find Help on Filter property of this control, but haven't find a Help file yet.
>
>Currently, the file is cmdlg98.chm.

Thanks, I was trying to tell you, that I already found it :) using your approach of creating a test form. Now I can blame my laziness :)