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Project: Shell Folders Unit.
Applies to: ~>2.0
property RootFolderID: Integer;
RootFolderID specifies the identifier of the special folder that is used as the root of the folder tree displayed in the dialog box. The property defaults to
Assigning an invalid value to the property causes an exception to be raised. Not all special folder identifiers are supported on all versions of Windows. Attempting to display a folder that is not supported by the operating system will cause an exception to be raised. Use the TPJSpecialFolderInfo component to test if a special folder is supported without raising an exception.