Focus Property

Description

Returns or sets the focus value available within the Source. This is a runtime property.

ActiveX Edition	Plug-in Edition	Mac Edition
Since V8.0	Since V8.0	Not Supported

Data type

Long.

Syntax

ObjectName. Focus

Remarks

Using this property after calling OpenSource() method and before calling AcquireImage().

When an error occurs and IfThrowException property is TRUE, an exception will be thrown. Check ErrorCode property and ErrorString property for error information.

See also

FocusMinValue property, FocusMaxValue property, FocusStepDelta property, FocusDefaultValue property, IfAutoFocus property

Sample

A JavaScript sample is provided.

<script language="javascript">

	function btnManageFocus_onclick() {

            Webcam.OpenSource(); 

            Focus = Webcam.Focus;	//get the Focus value
            FocusMinValue = Webcam.FocusMinValue;//get the minimum Focus value
            FocusMaxValue = Webcam.FocusMaxValue;//get the maximum Focus value
            FocusDefaultValue = Webcam.FocusDefaultValue;//get the default Focus value
            FocusStepDelta = Webcam.FocusStepDelta;//get the Focus step delta
	
            Webcam.Focus = 1;//change the Focus value to 1
            Focus = Webcam.Focus;	//get the Focus value

	}

</script>