C#中,打开openFileDialog后,如何将选中的文件路径显示在一个文本框(textBox)中

OpenFileDialog openFileDialog1 = new OpenFileDialog();
            openFileDialog1.Filter = "文档(*.doc;*.docx)|*.doc;*.docx";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                if (openFileDialog1.FileName != "")
                {
                    this.textBox3.Text = openFileDialog1.FileName;
                }
            }