一个从MSDN的scribble改进的程序，可以画直线，矩形及椭圆。对于学习图像处理是个很好的入门-a scribble from the MSDN improved procedures can draw straight lines, rectangle and oval. Learning image processing is a very good entry

简单的实现工具栏，为工程添加一绘图下拉菜单，在其添加了“绘制矩形”菜单命令项，在工具栏添加一个图像按钮，并实现其功能-The realization of a simple toolbar, add a mapping for the project drop-down menu, add it in the " Draw Rectangle" menu item command, the toolbar button to add an image, and the real

单文档中显示位图，矩形，椭圆，可以在矩形和椭圆中画阴影，可以写入文字-One document shows the bitmap, rectangle, oval, rectangular and oval in the shadow in the painting, you can write text

bmp图片实现的半透明窗体-GDI+ to rectangle image processing into circular picture