Manual > Control Reference > Basics > View control > Methods

Specify the zoom ratio to enlarge or reduce the image.

syntax

SetZoom(

zoomRatio

[, bCenter = F]

[, centerX = 0]

[, centerY = 0]

)

Parameters

zoomRatio

Type:

Number

Zoom ratio. If you want to zoom in, specify a number greater than 1 (up to 10x). If you want to zoom out, specify a number less than 1. If you specify 0, it will behave the same as ResetZoom.

Example: In case of 2, the display is enlarged by 2 times.

Example: 0.5 means 1/2 reduction

bCenter

Type:

Boolean

TRUE - Zooms around the center of the form.

FALSE - Zoom around centerX, centerY.

centerX
	Type:	Number
	The X value of the expansion center point used when bCenter is FALSE.

centerY
	Type:	Number
	The Y value of the expansion center point used when bCenter is FALSE.

Return Value


	Type:	Boolean
	FALSE - Failure. TRUE - Success.

Explanation

Supported

Script Action

○

Browser script

Calculation Expression Syntax

reference