[C#]	public event WinHotSpotEventHandler MouseEnterHotSpot;
[VB]	Public Event MouseEnterHotSpot As WinHotSpotEventHandler

This event occurs when the mouse cursor enters a hot spot on the chart image.

WinHotSpotEventHandler is a delegate representing the signature of the method that can be used to handle the hot spot events. For its declaration, please refer to WinChartViewer.ClickHotSpot.