如何使用C#添加保存文件对话框

Question

我需要实现类似于Notepads的保存选项.假设我有一个按钮放在a旁边RichTextBox,我想要的是,当点击这个按钮时,会打开一个对话框,它看起来类似于单击另存为时出现的对话框.我想通过在" 保存对话框"中输入文件名来以文本格式保存RichTextBox的内容.

Answer 1

private void Save_As_Click(object sender, EventArgs e)
{
  SaveFileDialog _SD = new SaveFileDialog(); 
  _SD.Filter = "Text File (*.txt)|*.txt|Show All Files (*.*)|*.*";
  _SD.FileName = "Untitled"; 
  _SD.Title = "Save As";
  if (__SD.ShowDialog() == DialogResult.OK)
  {
   RTBox1.SaveFile(__SD.FileName, RichTextBoxStreamType.UnicodePlainText);
  }
}

Answer 2

对于WPF,您应该使用此SaveFileDialog.

var dialog = new Microsoft.Win32.SaveFileDialog();
dialog.Filter = "Rich Text File (*.rtf)|*.rtf|All Files (*.*)|*.*";
dialog.FileName = "Filename.rtf"; //set initial filename
if (dialog.ShowDialog() == true)
{
    using (var stream = dialog.OpenFile())
    {
       var range = new TextRange(myRichTextBox.Document.ContentStart,
                                 myRichTextBox.Document.ContentEnd);
       range.Save(stream, DataFormats.Rtf);
    }
}