本程序可响应数字键盘上1——9数字键和鼠标移动滚动条，在窗口中绘制出圆形的移动轨迹。-This program can respond to the numeric keypad on the 1- 9 numeric keys and the mouse scroll bar in the window, draw circular trajectories.

vs2005下写的一个点击编辑框 弹出自己做好的数字键盘 触屏输入用 调试通过-Under vs2005 to write a box pops up click edit prepare themselves numeric keypad input debugging through touch