文件拖拽,实时响应鼠标拖动文件移动时的消息 使用了COleDropTarget类-Drag and drop files, real-time response when moving the mouse to drag the message file using the COleDropTarget class

.Prior to Sandybridge, the SEND instruction accepted non-MRF source registers, implicitly moving the operand to a message register Source Code for Linux v2.13.6.