C# Code:

public partial class frmPromptMemo : Form
{
   private frmPromptMemo()
   {
      InitializeComponent();
   }
   
   public static void Execute(string content)
   {
      frmPromptMemo form = new frmPromptMemo();
      form.txtContent.Text = content;
      form.ShowDialog();
   }
   
   private void btnClose_Click(object sender, EventArgs e)
   {
      this.Close();
   }
   
   private void btnSave_Click(object sender, EventArgs e)
   {
      SaveFileDialog dlg = new SaveFileDialog();
      dlg.Filter = "文本文件(*.txt)|*.txt";
      if (dlg.ShowDialog() == DialogResult.OK)
      {
         try
         {
            File.WriteAllLines(dlg.FileName, txtContent.Lines, Encoding.UTF8);
            Msg.ShowInformation("保存成功！");
         }
         catch (Exception ex)
         {
            Msg.Warning(ex.Message);
         }
      }
   }
}

//来源:C/S框架网(www.csframework.com) QQ:23404761