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I do not display the toolbar in PropertyGrid controls in my app. I only show the sort by category display. As such there is no need for the sorted property display. Can I safely override OnPgcCreateGrids() and NOT create it without problems?

Thanks

Yes, just override the CExtPropertyGridCtrl::OnPgcCreateGrids() virtual method for that. You need to create at least one tree grid window in the property grid control because, otherwise, if you create no tree windows, the property grid control will no longer be usable. Your version of the OnPgcCreateGrids() method should be similar to the original one: it should create a CExtPropertyGridWndCategorized window and it should not create a CExtPropertyGridWndSorted window. You can use similar approach and remove other build-in parts of the property grid control: the combo box bar, tool bar and help tip bar. To remove any of these bars, you should override the CExtPropertyGridCtrl::OnPgcCreateBars() virtual method and create only those bars that you need.