Gets or sets the expression type.
Assembly: System.Activities.Presentation (in System.Activities.Presentation.dll)
Setting the type is strongly recommended. If you do not set ExpressionTextBox to bind to delegate types and you do not get validation from the hosted compiler. This compiler validation checks to see if the type of the entered expression matches the expected type, and displays a red box around the ExpressionTextBox when invalid data is entered into it on an activity designer., you can’t use the
Available since 4.0