winform選擇文件和選擇文件夾代碼

//選擇文件，點擊【浏覽】，選擇文件
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog(); //顯示選擇文件對話框
openFileDialog1.InitialDirectory = "c:\\";
openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;

if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
this.textBox1.Text = openFileDialog1.FileName; //顯示文件路徑
}
}



//選擇文件夾：點擊【浏覽】，選擇文件夾
private void button4_Click(object sender, EventArgs e)
{
if (this.folderBrowserDialog1.ShowDialog() == DialogResult.OK)
{
if (this.folderBrowserDialog1.SelectedPath.Trim() != "")
this.textBox4.Text = this.folderBrowserDialog1.SelectedPath.Trim();
}
}