Can not find System.Windows Assembly

Question

This is the error we get:

Error 1 The type \'System.Windows.Point\' is defined in an assembly that is not referenced. You must add a reference to as

Answer 1

Add the assembly reference as you'd add any other framework assembly reference:

• Right-click on the project
• Select "Add reference"
• Select the .NET tab on the left, and find "System.Windows" in the list of assemblies
• Double-click on "System.Windows" and the assembly reference will be added