C# WinForm拖入文件到窗体，得到文件路径

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private void textBox1_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string[] rs = (string[])e.Data.GetData(DataFormats.FileDrop);
MessageBox.Show(rs[]);
}
} private void Form1_DragEnter_1(object sender, DragEventArgs e)
{
//只允许文件拖放
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.None;
}
}