C# 拖拽实现

Posted 2021-12-04 Thomas会写字

1. 属性设置为True

2. 实现两个方法

 

        private void Form1_DragDrop(object sender, DragEventArgs e)
        {
            string[] s = (string[])e.Data.GetData(DataFormats.FileDrop, false);
            if (s == null || s.Length <= 0)
                return;

            sFoder = s[0];
            MessageBox.Show(sFoder);
        }

        private void Form1_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
            {
                e.Effect = DragDropEffects.All;
            }
            else
            {
                e.Effect = DragDropEffects.None;
            }
        }