c++ SDK 的简单截屏代码，就像qq的截图，快捷键ctrl+Q开始截图，然后鼠标选择区域，截图后会显示在程序对话框上，并且自动保存到剪贴板。-c++ SDK screenshot of a simple code, like qq screenshot, shortcut keys ctrl+ Q started screenshot, and then select the mouse region, after the screenshot will appear in the dial