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标题:richtextbox控件使用
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王杰
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 问题点数:0 回复次数:5 
richtextbox控件使用

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace 使用通用对话框
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;

public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();

//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Location = new System.Drawing.Point(16, 16);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(192, 232);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(224, 40);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(48, 23);
this.button1.TabIndex = 1;
this.button1.Text = "保存";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(224, 80);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(48, 23);
this.button2.TabIndex = 2;
this.button2.Text = "字体";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(224, 122);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(48, 23);
this.button3.TabIndex = 3;
this.button3.Text = "颜色";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Location = new System.Drawing.Point(224, 160);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(48, 23);
this.button4.TabIndex = 4;
this.button4.Text = "清除";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 266);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.richTextBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void button1_Click(object sender, System.EventArgs e)
{
SaveFileDialog sfdlg=new SaveFileDialog();
sfdlg.Filter="All Files(*.*)|(*.*)|Text Files(*.txt)|(*.txt)";
sfdlg.FilterIndex=1;
if (sfdlg.ShowDialog() ==DialogResult.OK)
{
richTextBox1.SaveFile(sfdlg.FileName,RichTextBoxStreamType.PlainText);
}
}

private void button2_Click(object sender, System.EventArgs e)
{
FontDialog fontdlg=new FontDialog();
if (fontdlg.ShowDialog() == DialogResult.OK)
{
richTextBox1.Font=fontdlg.Font;
}
}

private void button3_Click(object sender, System.EventArgs e)
{
ColorDialog colordlg=new ColorDialog();
if (colordlg.ShowDialog() == DialogResult.OK)
{
richTextBox1.ForeColor=colordlg.Color;
}
}

private void button4_Click(object sender, System.EventArgs e)
{
richTextBox1.Clear();
}

private void button5_Click(object sender, System.EventArgs e)
{

}
}
}

搜索更多相关主题的帖子: richtextbox 控件 
2005-11-12 09:13
唐伯猫
Rank: 8Rank: 8
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看看这个吧,功能又完善了点.
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace 使用通用对话框
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.SaveFileDialog saveFileDialog1;
private System.Windows.Forms.FontDialog fontDialog1;
private System.Windows.Forms.ColorDialog colorDialog1;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;

public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();

//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
this.fontDialog1 = new System.Windows.Forms.FontDialog();
this.colorDialog1 = new System.Windows.Forms.ColorDialog();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox1.Location = new System.Drawing.Point(0, 0);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(296, 216);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "";
//
// button1
//
this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.button1.Location = new System.Drawing.Point(16, 224);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(48, 23);
this.button1.TabIndex = 1;
this.button1.Text = "保存";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.button2.Location = new System.Drawing.Point(96, 224);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(48, 23);
this.button2.TabIndex = 2;
this.button2.Text = "字体";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.button3.Location = new System.Drawing.Point(168, 224);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(48, 23);
this.button3.TabIndex = 3;
this.button3.Text = "颜色";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.button4.Location = new System.Drawing.Point(232, 224);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(48, 23);
this.button4.TabIndex = 4;
this.button4.Text = "清除";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 254);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.richTextBox1);
this.Name = "Form1";
this.Text = "Form1";
this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void button1_Click(object sender, System.EventArgs e)
{
SaveFileDialog saveFileDialog=new SaveFileDialog();
saveFileDialog.Filter="文本文件(.txt)|*.txt|C#文件(.cs)|*.cs|所有文件(*.*)|*.*";
saveFileDialog.FilterIndex=2;
saveFileDialog.RestoreDirectory=true;
if(saveFileDialog.ShowDialog()==DialogResult.OK)
{
string fName=saveFileDialog.FileName;
StreamWriter sw=File.AppendText(fName);
sw.Write(this.richTextBox1.Text);
sw.Write("dsfadf");
sw.Flush();
sw.Close();
}
}


private void button2_Click(object sender, System.EventArgs e)
{
FontDialog fontDialog=new FontDialog();
fontDialog.Color=richTextBox1.ForeColor;
fontDialog.AllowScriptChange=true;
fontDialog.ShowColor=true;
if(fontDialog.ShowDialog()!=DialogResult.Cancel)
{
richTextBox1.SelectionFont=fontDialog.Font;//将当前选定的文字改变字体
}
}
private void button3_Click(object sender, System.EventArgs e)
{
ColorDialog colorDialog=new ColorDialog();
colorDialog.AllowFullOpen=true;
colorDialog.FullOpen=true;
colorDialog.ShowHelp=true;
colorDialog.Color=Color.Black;//初始化当前文本框中的字体颜色,当用户在ColorDialog对话框中点击"取消"按钮时
colorDialog.ShowDialog();
richTextBox1.SelectionColor=colorDialog.Color;
}


private void button4_Click(object sender, System.EventArgs e)
{
richTextBox1.Clear();
}

private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
DialogResult aa=MessageBox.Show("要保存文件吗?","提示",MessageBoxButtons.YesNoCancel,MessageBoxIcon.Information);
{
if(aa==DialogResult.Yes)
{
e.Cancel=false;
SaveFileDialog sf=new SaveFileDialog();
sf.Filter="文本文件|txt.txt|c#文件|*.cs|所有文件|*.*";
sf.FilterIndex=2;
sf.RestoreDirectory=true;
if(sf.ShowDialog()==DialogResult.OK)
{
string fName=sf.FileName;
StreamWriter sw=File.AppendText(fName);
sw.Write(this.richTextBox1.Text);
sw.Flush();

}
else
{
e.Cancel=true;
}

}
else if(aa==DialogResult.No)
{
e.Cancel=false;

Application.Exit();

}
else if(aa==DialogResult.Cancel)
{
e.Cancel=true;

}
}
}
}
}


<iframe name="alimamaifrm" frameborder="0" marginheight="0" marginwidth="0" border="0" scrolling="no" width="300" height="170" src="/go/app/tbk_app/chongzhi_300_170.php?pid=mm_28854300_2441872_11377541&page=chongzhi_300_170.php&size_w=300&size_h=170&stru_phone=1&stru_game=1&stru_travel=1" ></iframe>
2005-11-12 10:37
ziyoufeixiang
Rank: 1
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太好了,我又知道了一个控件的用法
2006-06-20 09:33
slcfhr
Rank: 1
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有没有ComboBox控件帮定数据库的例子


有肚量去容忍那些无法改变的事情 有勇气去改变那些可以改变的事情 有智慧去区别上述二类事
2006-06-20 09:48
蓝色sky
Rank: 1
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收到!


我是一个普通人 但,我比普通人更加努力!
2006-06-20 11:07
蓝色sky
Rank: 1
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可以加载图片么?


我是一个普通人 但,我比普通人更加努力!
2006-06-20 11:35
快速回复:richtextbox控件使用
数据加载中...
 
   



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