- To UnZoom click at the bottom right of any area on Chart, drag and release mousebutton at the top and left of the first click. - To Zoom click at the top left of the area you wish to zoom, drag and release mousebutton at the bottom right of zoom area. This sample shows how to use the Zoom Tool. - Click on Axes or Series points to see value at mouseclick. Move the mouse over a Point to see the PointLabel as a hint.