1 Sys.PropertyChangedEventArgs = function Sys$PropertyChangedEventArgs(propertyName) {
4 var e = Function._validateParams(arguments, [
5 {name: "propertyName", type: String}
6 ]);
7 if (e) throw e;
8 Sys.PropertyChangedEventArgs.initializeBase(this);
9 this._propertyName = propertyName;
10 }