System.Windows.Forms is not displaying in Dial box to add as Reference

Question

In Sequential Workflow Console Application ,i'm trying to call MessageBox.Show method.
For that i'm trying to add reference "System.Windows.Forms" to the project ,but it's not appearing in the dial box.
any help/suggestion ????
Thanks in advance

Vulpes · Answer

That's strange I'd have expected System.Windows.Forms.dll to be under the .NET tab when you attempt to add a reference. I'd try using the System.Windows.MessageBox instead. You need a reference to PresentationFramework.dll for that.