Introduction - If you have any usage issues, please Google them yourself
The control is a data map drawing controls, it can in accordance with user input data (logical coordinates) to automatically display the accurate position. The control also supports the mouse hot-zone automatic monitoring. When we mouse over the horizontal longitudinal coordinates of points when the cursor would turn into a spring shape. This shows that we can drag the mouse to zoom the drawing area. If we put the origin on the mouse when the cursor will turn into box-shaped cursor, when we can drag the mouse to the free movement of the entire graphics window.