您可以捕获DragDrop事件并从那里获取文件。一些东西：

You can catch the DragDrop event and get the files from there. Something like:

void Form_DragDrop(object sender, DragEventArgs e)
{
    string[] FileList = (string[])e.Data.GetData(DataFormats.FileDrop, false);

    //more processing
}