constants IncludeObjectEnum
The IncludeObjectEnum type specifies the list of objects being included in the control's list. Use the IncludeObjectType property to specify the object being included in the control's list.

NameValueDescription
AllObjects0 Don't send the IncludeObject event.
UserObjects1 Send the IncludeObject event, and let the user to choose.
FoldersOnly2 Select only folders, and the send the IncludeObject event to let the user to choose.
PatternObjects3 Select all folders, and choose only files that macthing with a given pattern.