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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 WindowsFormsApplication6
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
int Start;
richTextBox1.AppendText("昵称1 2008-1-1 10:00:00" + Environment.NewLine);
Start = richTextBox1.TextLength;
richTextBox1.AppendText("你好!!" + Environment.NewLine);
richTextBox1.SelectionStart = Start;
richTextBox1.SelectionLength = richTextBox1.TextLength - Start;
richTextBox1.SelectionFont = new Font("宋体", 10);
richTextBox1.SelectionColor = Color.Red;
richTextBox1.AppendText("昵称2 2008-1-1 10:01:00 " + Environment.NewLine);
Start = richTextBox1.TextLength;
richTextBox1.AppendText("哈喽!" + Environment.NewLine);
richTextBox1.SelectionStart = Start;
richTextBox1.SelectionLength = richTextBox1.TextLength - Start;
richTextBox1.SelectionFont = new Font("宋体", 8);
richTextBox1.SelectionColor = Color.Green;
richTextBox1.SelectionStart = richTextBox1.TextLength;
}
}
}