Winform控件SaveFileDialog用于保存文件

usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.IO;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Threading.Tasks;

usingSystem.Windows.Forms;

namespaceSaveFileDialogDemo

{

  publicpartialclassForm1 : Form

  {

    publicForm1()

    {

      InitializeComponent();

    }

    ///

    /// 保存文件按钮

    ///

    ///

    ///

    privatevoidbtn_SaveFile_Click(objectsender, EventArgs e)

    {

      //

      SaveFileDialog sfd =newSaveFileDialog();

      //设置保存文件对话框的标题

      sfd.Title ="请选择要保存的文件路径";

      //初始化保存目录，默认exe文件目录

      sfd.InitialDirectory = Application.StartupPath;

      //设置保存文件的类型

      sfd.Filter ="文本文件|*.txt|音频文件|*.wav|图片文件|*.jpg|所有文件|*.*";

      if(sfd.ShowDialog() == DialogResult.OK)

      {

        //获得保存文件的路径

        stringfilePath = sfd.FileName;

        //保存

        using(FileStream fsWrite =newFileStream(filePath, FileMode.OpenOrCreate, FileAccess.Write))

        {

          byte[] buffer = Encoding.Default.GetBytes(txt_FileInfo.Text.ToString().Trim());

          fsWrite.Write(buffer, 0, buffer.Length);

        }

      }

    }

  }

}