Leadtools.Controls Namespace > Classes > ImageViewerSpyGlassInteractiveMode > Methods > invalidate Method
invalidate Method (ImageViewerSpyGlassInteractiveMode)
Summary
Re-renders the spy glass.
Syntax
JavaScript Syntax
ImageViewerSpyGlassInteractiveMode.prototype.invalidate = function()TypeScript Syntax
invalidate(): void;Remarks
The mode will automatically re-renders the spy glass when the user move the mouse or through touch. When using an external canvas for rendering,
it is sometimes desirable to re-render the spy glass based on an external event.
Example
For an example, refer to RedirectCanvas.
Requirements
See Also
Reference
ImageViewerSpyGlassInteractiveMode Class
Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Controls Assembly
