opengl 中实现窗口的切换 观察每个小窗口的图形图像-opengl switch observed in the implementation of the window graphic images of each small window

程序功能 ：用GDI+实现平滑更换窗口背景 用鼠标操作，实现窗口背景图片的平滑切换-change window s brackgroud smoothed

功能：本程序演示MATLAB常用命令的基本操作 用法：运行该程序后，切换到命令窗口，按提示进行操作-Function: This procedure commonly used MATLAB command demonstrate the basic operation Usage: Run this program, the switch to the command window, according to instructions