Use Form(Of T) on VS Designer
问题 I'm using vb.net (vs2010). I'm moving some winforms to a dll. I have a form that inherits from the one which has some subs and functions (like a test app). My original form is: (.designer) Partial Class Form1(Of T) Inherits System.Windows.Forms.Form .... End Class Form itself contains code and a toolbar. My test form is: (.designer) Partial Class TestForm Inherits Form1(Of Class1) I get "Cannot create an instance of Form1`1[T] because Type.ContainsGenericParameters is true" when VS try to