System.Windows.Forms 2.0.0.0 System.Enum The enumeration is used by the class. Specifies the direction of the binding operation. Field System.Windows.Forms.BindingCompleteContext An indication that the control property value is being updated from the data source. 2.0.0.0 Field System.Windows.Forms.BindingCompleteContext An indication that the data source value is being updated from the control property. 2.0.0.0