eventCanvas Property

Summary

The Background HTML5 Canvas Element.

Syntax

JavaScript Syntax
Object.defineProperty(ImageViewer.prototype, 'eventCanvas', 
	get: function() 
)
TypeScript Syntax
eventCanvas: HTMLCanvasElement; // read-only

Property Value

The background canvas element of the viewer, used for pointer event capture, when supported; otherwise, null.

Remarks

This element only exists when using Elements Mode and when HTML Pointer Events is supported. This canvas will accept pointer events for the ForeCanvas to assist with User-Defined HTML Display.

For more information, refer to Image Viewer Components, Image Viewer Elements Mode, and Image Viewer User Defined HTML Display.

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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