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zoom Method

Summary

Zooms or changes the size mode of this item.

Syntax

TypeScript

JavaScript

ImageViewerItem.prototype.zoom = function( 
   sizeMode, 
   value, 
   origin 
)

zoom( 
   sizeMode: ControlSizeMode, 
   value: number, 
   origin: LeadPointD 
): void;

Parameters

sizeMode

The size mode to use.

value

The desired zoom value. This must be a value greater than 0. A value of 1.0 equals 100 percent zoom, a value of 0.5 equals

to 50 percent, a value of 1.5 equals 150 percent zoom and so on.

origin

The origin of the zoom operation.

Remarks

This method will update Transform based on the values passed. For information on how zoom works, refer to Zoom. This method works the same way except the zoom is performed on this item only and the values will be stored in Transform.

origin is the origin of the zoom operation. Use DefaultZoomOrigin to zoom around the center of the item.

Requirements

Target Platforms

Reference

ImageViewerItem Class

ImageViewerItem Members

Leadtools.Controls Namespace

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Help Version 21.0.2021.7.2

Leadtools.Controls Assembly

Introduction

Getting Started

Namespaces

Leadtools.Controls Namespace

Assemblies