VC中画三角问题，对于第一次想画三角的朋友来说，是得看看我这个资料！-Triangle VC problem in painting, for the first time a friend wanted to paint the triangle is the information I have to look at!

Qt画图，画图源码，基本画图功能使用，Qt入门-Qt Drawing program

c# windowsform画图板源码，类似windowsxp下的画图工具，有画笔、画刷、橡皮擦和矩形多边形等工具。-c# windowsform source drawing board, drawing tools under similar windowsxp have pen, brush, eraser and rectangular polygon tool.