利用GDI+写的windows控件组，包括，进度条，按钮，编辑框，界面非常漂亮，颜色非常鲜艳-The use of GDI+ to write the windows control group, including the progress bar, buttons, edit box, the interface is very beautiful, very bright colors

颜色渐变进度条，美化你的界面，希望对学习控件界面自绘技术的朋友有帮助，-Color gradient progress bar, beautify your interface, I hope to learn painting techniques from the control interface to help a friend, thank you