onOperation Method

Summary

Raises the Operation event.

Syntax

JavaScript Syntax
DocumentViewer.prototype.onOperation = function(e)
TypeScript Syntax
onOperation(e: DocumentViewerOperationEventArgs): void;

Parameters

e

Event data

Remarks

Raising an event invokes the event handler through a delegate. The OnOperation 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 OnOperation in a derived class, be sure to call the base class's OnOperation method so that registered delegates receive the event.

For more information, refer to Document Viewer Operations.

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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