namespace RichTextBoxTest
{
partial class Form1
{
///
/// 必需的设计器变量。
///
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.btnBold = new System.Windows.Forms.Button();
this.btnItalic = new System.Windows.Forms.Button();
this.btnUnderline = new System.Windows.Forms.Button();
this.btnCenter = new System.Windows.Forms.Button();
this.lblSize = new System.Windows.Forms.Label();
this.txtSize = new System.Windows.Forms.TextBox();
this.rtfText = new System.Windows.Forms.RichTextBox();
this.btnLoad = new System.Windows.Forms.Button();
this.btnSave = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// btnBold
//
this.btnBold.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.btnBold.Location = new System.Drawing.Point(136, 27);
this.btnBold.Name = "btnBold";
this.btnBold.Size = new System.Drawing.Size(75, 23);
this.btnBold.TabIndex = 0;
this.btnBold.Text = "Bold";
this.btnBold.UseVisualStyleBackColor = true;
this.btnBold.Click += new System.EventHandler(this.btnBold_Click);
//
// btnItalic
//
this.btnItalic.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.btnItalic.Location = new System.Drawing.Point(252, 27);
this.btnItalic.Name = "btnItalic";
this.btnItalic.Size = new System.Drawing.Size(75, 23);
this.btnItalic.TabIndex = 1;
this.btnItalic.Text = "Italic";
this.btnItalic.UseVisualStyleBackColor = true;
this.btnItalic.Click += new System.EventHandler(this.btnItalic_Click);
//
// btnUnderline
//
this.btnUnderline.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.btnUnderline.Location = new System.Drawing.Point(365, 26);
this.btnUnderline.Name = "btnUnderline";
this.btnUnderline.Size = new System.Drawing.Size(75, 23);
this.btnUnderline.TabIndex = 2;
this.btnUnderline.Text = "Underline";
this.btnUnderline.UseVisualStyleBackColor = true;
this.btnUnderline.Click += new System.EventHandler(this.btnUnderline_Click);
//
// btnCenter
//
this.btnCenter.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.btnCenter.Location = new System.Drawing.Point(483, 26);
this.btnCenter.Name = "btnCenter";
this.btnCenter.Size = new System.Drawing.Size(75, 23);
this.btnCenter.TabIndex = 3;
this.btnCenter.Text = "Center";
this.btnCenter.UseVisualStyleBackColor = true;
this.btnCenter.Click += new System.EventHandler(this.btnCenter_Click);
//
// lblSize
//
this.lblSize.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.lblSize.AutoSize = true;
this.lblSize.Location = new System.Drawing.Point(208, 74);
this.lblSize.Name = "lblSize";
this.lblSize.Size = new System.Drawing.Size(47, 12);
this.lblSize.TabIndex = 4;
this.lblSize.Text = "lblSize";
//
// txtSize
//
this.txtSize.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.txtSize.Location = new System.Drawing.Point(261, 65);
this.txtSize.Name = "txtSize";
this.txtSize.Size = new System.Drawing.Size(38, 21);
this.txtSize.TabIndex = 5;
this.txtSize.Text = "10";
//
// rtfText
//
this.rtfText.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.rtfText.Location = new System.Drawing.Point(24, 101);
this.rtfText.Name = "rtfText";
this.rtfText.Size = new System.Drawing.Size(677, 283);
this.rtfText.TabIndex = 6;
this.rtfText.Text = "";
//
// btnLoad
//
this.btnLoad.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.btnLoad.Location = new System.Drawing.Point(224, 420);
this.btnLoad.Name = "btnLoad";
this.btnLoad.Size = new System.Drawing.Size(75, 23);
this.btnLoad.TabIndex = 7;
this.btnLoad.Text = "Load";
this.btnLoad.UseVisualStyleBackColor = true;
this.btnLoad.Click += new System.EventHandler(this.btnLoad_Click);
//
// btnSave
//
this.btnSave.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.btnSave.Location = new System.Drawing.Point(407, 420);
this.btnSave.Name = "btnSave";
this.btnSave.Size = new System.Drawing.Size(75, 23);
this.btnSave.TabIndex = 8;
this.btnSave.Text = "Save";
this.btnSave.UseVisualStyleBackColor = true;
this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(729, 476);
this.Controls.Add(this.btnSave);
this.Controls.Add(this.btnLoad);
this.Controls.Add(this.rtfText);
this.Controls.Add(this.txtSize);
this.Controls.Add(this.lblSize);
this.Controls.Add(this.btnCenter);
this.Controls.Add(this.btnUnderline);
this.Controls.Add(this.btnItalic);
this.Controls.Add(this.btnBold);
this.MinimumSize = new System.Drawing.Size(737, 510);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Button btnBold;
private System.Windows.Forms.Button btnItalic;
private System.Windows.Forms.Button btnUnderline;
private System.Windows.Forms.Button btnCenter;
private System.Windows.Forms.Label lblSize;
private System.Windows.Forms.TextBox txtSize;
private System.Windows.Forms.RichTextBox rtfText;
private System.Windows.Forms.Button btnLoad;
private System.Windows.Forms.Button btnSave;
}
}
实现代码：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace RichTextBoxTest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
//订阅事件处理程序
this.txtSize.KeyPress +=
new KeyPressEventHandler(txtSize_KeyPress);
this.txtSize.Validating +=
new CancelEventHandler(txtSize_Validating);
this.rtfText.LinkClicked +=
new LinkClickedEventHandler(rtfText_LinkClicked);
}
/// <summary>
/// Bold按钮的响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnBold_Click(object sender, EventArgs e)
{
Font oldFont;
Font newFont;
oldFont = this.rtfText.SelectionFont;
if (oldFont.Bold)
{
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Bold);//取消黑体格式
}
else
{
newFont = new Font(oldFont, oldFont.Style | FontStyle.Bold); //添加黑体格式
}
this.rtfText.SelectionFont = newFont;
this.rtfText.Focus();
}
/// <summary>
/// Italic按钮的响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnItalic_Click(object sender, EventArgs e)
{
Font oldFont;
Font newFont;
oldFont = this.rtfText.SelectionFont;
if (oldFont.Italic)
{
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Italic);
}
else
{
newFont = new Font(oldFont, oldFont.Style | FontStyle.Italic);
}
this.rtfText.SelectionFont = newFont;
this.rtfText.Focus();
}
/// <summary>
/// Underline的响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUnderline_Click(object sender, EventArgs e)
{
Font oldFont;
Font newFont;
oldFont = this.rtfText.SelectionFont;
if (oldFont.Underline)
{
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Underline);
}
else
{
newFont = new Font(oldFont, oldFont.Style | FontStyle.Underline);
}
this.rtfText.SelectionFont = newFont;
this.rtfText.Focus();
}
/// <summary>
/// Center的响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCenter_Click(object sender, EventArgs e)
{
if (this.rtfText.SelectionAlignment == HorizontalAlignment.Center)
{
this.rtfText.SelectionAlignment = HorizontalAlignment.Left;
}
else
{
this.rtfText.SelectionAlignment = HorizontalAlignment.Center;
}
this.rtfText.Focus();
}
/// <summary>
/// 键盘的键按下的响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void txtSize_KeyPress(object sender, KeyPressEventArgs e)
{
if ((e.KeyChar < 48 || e.KeyChar > 57)
&& e.KeyChar != 8 && e.KeyChar != 13)
{
e.Handled = true;
}
else if(e.KeyChar == 13)
{
TextBox tb = (TextBox)sender;
if (tb.Text.Length > 0)
{
ApplyTextSize(tb.Text);
}
e.Handled = true;
rtfText.Focus();
}
}
/// <summary>
/// 字体设置响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void txtSize_Validating(object sender, CancelEventArgs e)
{
TextBox tb = (TextBox)sender;
ApplyTextSize(tb.Text);
this.rtfText.Focus();
}
/// <summary>
/// 实现网页的链接
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void rtfText_LinkClicked(object sender, LinkClickedEventArgs e)
{
System.Diagnostics.Process.Start(e.LinkText);
}
private void ApplyTextSize(string textSize)
{
float newSize = Convert.ToSingle(textSize);
FontFamily currentFontFamily;
Font newFont;
currentFontFamily = this.rtfText.SelectionFont.FontFamily;
newFont = new Font(currentFontFamily, newSize);
this.rtfText.SelectionFont = newFont;
}
//加载文件
private void btnLoad_Click(object sender, EventArgs e)
{
try
{
rtfText.LoadFile("../../Test.rtf");
}
catch(System.IO.FileNotFoundException)
{
MessageBox.Show("NO file to load yet");
}
}
//保存文件
private void btnSave_Click(object sender, EventArgs e)
{
try
{
rtfText.SaveFile("../../Test.rtf");
}
catch(System.Exception err)
{
MessageBox.Show(err.Message);
}
}
}
}
