C# 实现文子从上到下,从右到左
对OnPaint()方法的重写:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace OverrideOnPaint { public partial class Form1 : Form { protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); Rectangle r = new Rectangle(new Point(40, 40), new Size(70, 70)); StringFormat f = new StringFormat(StringFormatFlags.DirectionRightToLeft | StringFormatFlags.DirectionVertical); e.Graphics.DrawRectangle(Pens.Green, r); e.Graphics.DrawString("祝大家国庆节快乐!", Font, Brushes.Blue, (RectangleF)r, f); } public Form1() { InitializeComponent(); } } }