Registers a new name-object pair into the current XAML namescope.
Assembly: WindowsBase (in WindowsBase.dll)
name or scopedElement was provided as null.
name was provided as empty string
- or -
name provided was rejected by the parser, because it contained characters that are invalid for a XAML name
- or -
name provided would result in a duplicate name registration.
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)