WebViewPortControl is the server side counterpart to the browser side Javascript JsViewPortControl, which provides a user interface for visualization of the viewport in relation to the "full range", and supports interactive moving and resizing of the viewport. WebViewPortControl generates the necessary HTML tags to allow the JsViewPortControl to perform its functions.

Method	Inherited	Description
WebViewPortControl	(Self)	Creates a new WebViewPortControl object.
getId	(Self)	Gets the id of the WebViewPortControl object.
setImageUrl	(Self)	Sets the URL used by the <IMG> tag to load the chart image.
getImageUrl	(Self)	Gets the URL used by the <IMG> tag to load the chart image.
setChartMetrics	(Self)	Sets the chart metrics of the chart.
getChartMetrics	(Self)	Gets the chart metrics of the chart.
renderHTML	(Self)	Generates the HTML tags to represent the JsViewPortControl.