制作不规则桌面的小程序，利用C++ builder。调用系统函数，可以根据图像制作不通形状的窗口-Produced irregular desktop applet, using C++ builder. Call the system function, the image produced according to the shape of the window barrier

设置MID程序的背景图像，很好的利用了系统函数调用，是练习和实践开发C++ builder的小例子-MID program set the background image, good use of the system function call, is to practice and practice development of C++ builder small example