onPropertyChanged Method (ImageViewer)
Summary
Raises the PropertyChanged event.
Syntax
JavaScript Syntax
ImageViewer.prototype.onPropertyChanged = function(propertyName)TypeScript Syntax
onPropertyChanged(propertyName: string): void; // protectedParameters
propertyName
The property name.
Remarks
Raising an event invokes the event handler through a delegate. The OnPropertyChanged method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.
Note to Inheritors: When overriding OnPropertyChanged in a derived class, be sure to call the base class's OnPropertyChanged method so that registered delegates receive the event.
Requirements
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