Gets and sets the number of items in the subtree under this group.
Assembly: PresentationFramework (in PresentationFramework.dll)
Subclasses use this property to change the count; the changes are reflected in the ItemCount property.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.