C# 实现文子从上到下，从右到左
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(); } }}
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