Invalidate Method

Invalidates the entire surface of the control and causes the control to be redrawn.

Syntax

JavaScript
WinRT JavaScript

 function Leadtools.Controls.ImageViewer.invalidate()

!MISSING Scrap '_RTJavaScript_Method_SYNTAX'!

Remarks

Calling Invalidate will cause the viewer to re-render the content of the background onto the foreground canvas. For more information, refer to the Rendering section in ImageViewer.

Invalidate may only schedule a rendering operation if HTML 5 animation request is used. For more information, refer to EnableRequestAnimationFrame.

Example

For an example, refer to Transform.

Reference

ImageViewer Object
ImageViewer Members