namespace _16.保存对话框
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e) { //打开保存对话框 SaveFileDialog sfd = new SaveFileDialog(); //设置对话框属性 sfd.Title = "请选择保存文件的路径"; sfd.InitialDirectory = @"C:\Users\Administrator.USER-20180925HC\Desktop\pic"; sfd.Filter = "文本文件|*.txt|所有文件|*.*"; sfd.ShowDialog(); //获得保存文件的路径 string path = sfd.FileName; if (path == "") { return; } using(FileStream fsWrite=new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write)) { byte[] buffer = Encoding.Default.GetBytes(textBox1.Text); fsWrite.Write(buffer, 0, buffer.Length); } MessageBox.Show("保存成功"); }}

}