using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinFormControl
{
  public partial class UMessageBox : Form
  {
    public UMessageBox()
    {
      InitializeComponent();
    }

    static UMessageBox messageBox;
    public static void Show(string message)
    {
      if (messageBox == null)
        messageBox = new UMessageBox();
      if (message.Length >= 50)
        message = message.Substring(0, 50) + "……";
      messageBox.label1.Text = message;
      messageBox.ShowDialog();
    }

    public static void Show(string message, string title)
    {
      if (messageBox == null)
        messageBox = new UMessageBox();
      messageBox.Text = title;
      Show(message);
    }

    private void uButton1_Click(object sender, EventArgs e)
    {
      this.Close();
    }
  }
}