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Exposure Property

Description

Returns or sets the exposure 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. Exposure


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

ExposureMinValue property, ExposureMaxValue property, ExposureStepDelta property, ExposureDefaultValue property, IfAutoExposure property

Sample

A JavaScript sample is provided.

<script language="javascript">

	function btnManageExposure_onclick() {

            Webcam.OpenSource(); 

            Exposure = Webcam.Exposure;	//get the Exposure value
            ExposureMinValue = Webcam.ExposureMinValue;//get the minimum Exposure value
            ExposureMaxValue = Webcam.ExposureMaxValue;//get the maximum Exposure value
            ExposureDefaultValue = Webcam.ExposureDefaultValue;//get the default Exposure value
            ExposureStepDelta = Webcam.ExposureStepDelta;//get the Exposure step delta

            Webcam.Exposure = 1;	//change the Exposure value to 1
            Exposure = Webcam.Exposure;	//get the Exposure value

	}

</script>