using System;
using System.Windows.Forms;

        //選取檔案，並獲得路徑
        private void button1_Click(object sender, EventArgs e) {
            var f = new OpenFileDialog();
            //f.Multiselect = true; //多選
            if (f.ShowDialog() == DialogResult.OK) {
                String filepath = f.FileName;//G:\新建資料夾\新建文字文件.txt
                String filename = f.SafeFileName;//新建文字文件.txt
                this.textBox1.Text = filename +"   "+filepath;
            }
        }

        //選取資料夾，並獲得路徑
        private void button2_Click(object sender, EventArgs e) {
            FolderBrowserDialog f = new FolderBrowserDialog();
            if (f.ShowDialog() == DialogResult.OK) {
                String DirPath = f.SelectedPath;
                this.textBox1.Text = DirPath;//G:\新建資料夾
            }
        }