バージョン

DropDownControlEventArgs クラス

シンタックス
ASP.NET Ajax Javascript (Specification) 
Infragistics.Web.UI.DropDownControlEventArgs = function() {};
ASP.NET Ajax Javascript (Usage) 
var instanceVar = new Infragistics.Web.UI.DropDownControlEventArgs();
継承階層

Object
   Sys.EventArgs
            Infragistics.Web.UI.DropDownControlEventArgs
               Infragistics.Web.UI.DropDownActivationEventArgs
               Infragistics.Web.UI.DropDownContainerEventArgs
               Infragistics.Web.UI.DropDownEditEventArgs
               Infragistics.Web.UI.DropDownItemEventArgs
               Infragistics.Web.UI.DropDownSelectionEventArgs

参照