画图，绘制点线面，装载点线面，导出点线面。 画线必须在点的基础上画，即连点成线。-Drawing, drawing points and lines to cover, loading points and lines face, Export Point, Line and Area. Draw a line must be drawn based on the point that even the points into li

VB上实现windows画板功能，另附MATLAB计算星期几的附件-Achieve VB windows drawing board, attached annex a few weeks of MATLAB computing