说明：  * 名称：绘图网格类（扩展静态文本框类）* 功能：1、画有方格组成的网格，能够设定网格的位置、行列数、方格的高宽，网格的背景色，网格边界色，方格的填充色；2、网格给出文字标题，能够设定标题文字的背景色与颜色。3、能够支持鼠标的绘图操作1）鼠标左键在网格区按下，进入填充方格状态；2）填充状态下，鼠标在网格区移动，则填充所在位置的方格， 一旦移出网格，则取消填充状态；3）鼠标左键抬起，则取消填充状态。
(* Name : Mapping Grid category (Extension static text box)* function : a painting composed of a grid mesh, to set the grid location, ranks number-wide grid, the grid background color, mesh border colors, a box filled with the color; 2, grid is the title characters, the title characters can set the background color and color. 3, the mouse can support a graphics operation) in the left mouse button pressed grid area into a state filled box; 2) filling state, the mouse in a grid of Mobile, the location of the filled box, once out of mesh, canceled filled state; 3) holding the left mouse button , canceled filled state.)