Delphi:Delphi采用API实现文件拖放操作取得文件路径，拖动结束后松开鼠标，文件的路径信息立即显示在程序窗口中，看似简单的功能，但现在许多主流的软件甚至都在用，比如拖放打开文件等。

-Delphi: Delphi files using drag and drop API implementation to obtain the file path, release the mouse after dragging the end, the file path information immediately displayed in the program window, seemingly simple feature, but even now many mainstream software are in use, open files such as drag and drop.