invalidate Method

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

Target Platforms

Reference

ImageViewerSpyGlassInteractiveMode Class

ImageViewerSpyGlassInteractiveMode Members

Leadtools.Controls Namespace

Help Version 19.0.2017.10.27

Leadtools.Controls Assembly

Introduction

Getting Started

Namespaces

Leadtools.Controls Namespace

Assemblies