Get a descendant parent based on its type.
Parameters
- parent
- DependencyObject whose descendants are to be searched.
- type
- Type of the descendant being sought
- allowSubclassOfType
- True if subclasses of may be considered.
Return Value
A descendant parent of the specified type or null if not found.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2