Teechart(8.0)控件二维曲线及三维图(Colorgrid)绘制例子，其中提供获取曲线及图的当前位置的坐标以及值的功能。-Teechart (8.0) controls two-dimensional curves and three-dimensional map (Colorgrid) draw an example, which provides access to Curve and the map coordinates of current location and valu