Provides an interface for access to a master page from a content page at design time, if provided by a design host, such as Visual Studio 2005.
Assembly: System.Design (in System.Design.dll)
Retrieves the current state of the identified content place holder.
Sets the current state of the identified content place holder.
Notes to Implementers:
A control designer, or a class implementing theinterface, should not assume the availability of the from a design host and, if it is not available, should fail gracefully.
Available since 2.0