This event occurs when the mouse is clicked on a hot spot of the chart image.
To fire this event, the chart image must have an image map using the special URL generated by WebChartViewer.GetPostBackURL
WebHotSpotEventHandler is a delegate representing the signature of the method that can be used to handle the ClickHotSpot event. It is declared as follows.
Public Delegate Sub WebHotSpotEventHandler(sender As Object, e As WebHotSpotEventArgs)
public delegate void WebHotSpotEventHandler(object sender, WebHotSpotEventArgs e);
In the above, "sender" is the object that raises the event, and "e" is a WebHotSpotEventArgs
object that contains the event data.
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