C#: Refrence error

[kingkreole]

Denne koden gir error:

using System.Windows.Interop;

 

Error 1 The type or namespace name ‘Interop’ does not exist in the namespace ‘System.Windows’ (are you missing an assembly reference?)

 

Hvordan ordner jeg dette?

[Hårek]

Add Reference, WindowsBase. http://forums.asp.net/t/1219173.aspx/1