100分求助:如何让一个字符串以几种颜色显示在textbox或者label里面? 比如有个字符串"你好,谢谢"让里面的“你好”用红色显示,让"谢谢"以蓝色显示这样的功能不知如何实现,或者有什么控件可以实现这样的功能希望各位高手不要吝啬 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 用两个label不就完了,为啥非要用一个? 既然使用RichTextBox可以 轻易实现,lz又何必执着用Textbox呢 既然使用RichTextBox可以 轻易实现,lz又何必执着用Textbox呢应该怎样实现?能不能给出实例代码? 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; } } }}} 数据库关键字查询 向oracle中blob类型插入值所出的问题 请问哪里可以下.NET第三方控件,要CS版的!!谢谢 一个有点复杂的计算程序 请教c#中关于winForm的两个很菜的问题 如何去掉当前网页中IE的菜单和工具栏等,谢谢! ——————关于数据库的麻烦问题提问—————— 一个窗体中的一个变量,我想在另一个窗体中应用该变量的值,请问该怎么处理? webbrower 求助, 为什么我只能插入ACCESS,而不能插入ORACLE 问一个用axWebBrowser自动填写用户名密码登陆不成功的问题 c#如何读取word文档中表格里面的内容?
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;
}
}
}
}
}