The CGraphicButton class is derived from CWnd and encapsulates a Windows button control. The CGraphicButton class allows use of a combination of a bitmap and text on the face of your button. The class allows the option of either a bitmap-left or a te

HScrollBar是水平滚动轴，与VscrollBar类似，在不内置支持翻页滚动的窗口中，经常有使用的需求。然而，要合理的控制使用HScrollBar并不是一件很容易的事情。HScroollBar有两个事件hScrollBar1_Scroll和hScrollBar1_ValueChanged，有一句笼统的概括这两个事件的使用时机：在移动过程中的处理放在_Scroll事件，在移动后处理放在_ValueChanged事件。这句话太笼统了，而且不是很准确，往往不能满足实际的使用需要。 详细文章：

Descr iption: This is a draggable toolwindow inside another window. Normally windows can only be inside an MDI form, but this is a great control which looks and acts like a real window. Completely customizable!!! If you plan to place many toolwindows

用于上传和下载的控件，基于http协议的，直接安装重启后即可用(Used to upload and download the control, based on HTTP protocol, installed directly use after restart)