using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
String s = "AAAAAAAAAA";
StringFormat sf = new StringFormat(StringFormatFlags.DirectionVertical);
Font f = new Font("Times New Roman", 14);
SizeF sizef = g.MeasureString(s, f, Int32.MaxValue, sf);
RectangleF rf = new RectangleF(20, 20, sizef.Width, sizef.Height);
g.DrawRectangle(Pens.Black, rf.Left, rf.Top, rf.Width, rf.Height);
g.DrawString(s, f, Brushes.Black, rf, sf);
f.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}