通过拖拽文件夹到form上,实现文件夹里相同名字文件的重命名以及文件夹里所有文件的合并!-By dragging folders to the form, to achieve the same folder, rename the file name and folder where all the merging of files!

通过拖入指定的文件到对话框，然后可以删除文件了-By dragging the specified file into the dialog box, and then you can delete files