GetFrameRateByIndex Method

Description

Returns the framerate of current source by the specified index in the buffer.

Syntax

Long ObjectName.GetFrameRateByIndex(Long Index)

Parameters

Long Index: Specifies the index of framerate in buffer. The index is 0-based.

Return value

Long.

The result framerate of the device.

Remarks

This method is proveded for getting the framerate of your devices. Before setting the framerate index , check the FrameRateListCount property to get the total framerate count in the list and make sure your index is meaningful and correct.

See Also

SelectFrameRateByIndex() method, FrameRateListCount property, FrameRate property

Sample

A JavaScript sample is provided.

<script language="javascript">

	function btnGetFrameRateByIndex_onclick() {
		
            listcount = Webcam.FrameRateListCount; 
            alert(listcount); 
            //Webcam.SelectFrameRateByIndex(listcount-1); 
            framerate = Webcam.GetFrameRateByIndex(listcount-2);
            alert(Webcam.FrameRate);

	}

</script>