Gets or sets the assembly name that contains the types in the CLR namespace.
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml
Use the "simple name" form for . In particular, do not specify the full path, and do not include the file extension. This is analogous to the form that might be reported by AssemblyName.Name.