RichTextBox Font bold, italic : RichTextBox « GUI Windows Form « C# / C Sharp

Home
C# / C Sharp
1.2D Graphics
2.Class Interface
3.Collections Data Structure
4.Components
5.Data Types
6.Database ADO.net
7.Design Patterns
8.Development Class
9.Event
10.File Stream
11.Generics
12.GUI Windows Form
13.Language Basics
14.LINQ
15.Network
16.Office
17.Reflection
18.Regular Expressions
19.Security
20.Services Event
21.Thread
22.Web Services
23.Windows
24.Windows Presentation Foundation
25.XML
26.XML LINQ
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source
C# / C Sharp » GUI Windows Form » RichTextBoxScreenshots 
RichTextBox Font bold, italic
RichTextBox Font bold, italic


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Drawing.Text;

public class Form1 : Form
{
    private System.Windows.Forms.RichTextBox richTextBox1;
    private System.Windows.Forms.ToolStrip toolStrip1;
    private System.Windows.Forms.ToolStripButton cmdUnderline;
    private System.Windows.Forms.ToolStripButton cmdBold;
    private System.Windows.Forms.ToolStripButton cmdItalic;
    private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
    private System.Windows.Forms.ToolStripDropDownButton lstColors;
    private System.Windows.Forms.ToolStripDropDownButton lstFonts;
    private System.Windows.Forms.ToolStripDropDownButton lstZoom;
    private System.Windows.Forms.ToolStripDropDownButton lstFontSize;
    private System.Windows.Forms.ToolStripSeparator toolStripSeparator2;
    private System.Windows.Forms.Button cmdAddImage;

  public Form1() {
        InitializeComponent();
  }
    private void richTextBox1_SelectionChanged(object sender, EventArgs e)
    {
        if (richTextBox1.SelectionFont != null)
        {
            cmdBold.Checked = richTextBox1.SelectionFont.Bold;
            cmdItalic.Checked = richTextBox1.SelectionFont.Italic;
            cmdUnderline.Checked = richTextBox1.SelectionFont.Underline;
        }
    }

    private void cmdBold_Click(object sender, EventArgs e)
    {
        if (richTextBox1.SelectionFont == null)
        {
            return;
        }

        FontStyle style = richTextBox1.SelectionFont.Style;
        
        if (richTextBox1.SelectionFont.Bold)
        {
            style &= ~FontStyle.Bold;
        }
        else
        {
            style |= FontStyle.Bold;
            
        }
        richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
    }

    private void cmdItalic_Click(object sender, EventArgs e)
    {
        if (richTextBox1.SelectionFont == null)
        {
            return;
        }
        FontStyle style = richTextBox1.SelectionFont.Style;

        if (richTextBox1.SelectionFont.Italic)
        {
            style &= ~FontStyle.Italic;
        }
        else
        {
            style |= FontStyle.Italic;
        }
        richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
    }

    private void cmdUnderline_Click(object sender, EventArgs e)
    {
        if (richTextBox1.SelectionFont == null)
        {
            return;
        }

        FontStyle style = richTextBox1.SelectionFont.Style;

        if (richTextBox1.SelectionFont.Underline)
        {
            style &= ~FontStyle.Underline;
        }
        else
        {
            style |= FontStyle.Underline;
        }
        richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style);
    }

    private void Form1_Load(object sender, EventArgs e)
    {
        lstColors.DropDown.Items.Add("Red");
        lstColors.DropDown.Items.Add("Blue");
        
        InstalledFontCollection fonts = new InstalledFontCollection();
        foreach (FontFamily family in fonts.Families)
        {
            lstFonts.DropDown.Items.Add(family.Name);
        }

        lstZoom.DropDown.Items.Add("300%");             
        lstZoom.DropDown.Items.Add("200%");             
        lstZoom.DropDown.Items.Add("100%");             

        lstFontSize.DropDown.Items.Add("8");
        lstFontSize.DropDown.Items.Add("10");
        lstFontSize.DropDown.Items.Add("12");
    }

   
    private void lstColors_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
    {
        
      KnownColor selectedColor;
      selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), e.ClickedItem.Text);

        richTextBox1.SelectionColor = Color.FromKnownColor(selectedColor);
    }

    private void lstFonts_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
    {
        if (richTextBox1.SelectionFont == null)
        {
            richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.Font.Size);
        }
        richTextBox1.SelectionFont = new Font(e.ClickedItem.Text, richTextBox1.SelectionFont.Size);
    }

    private void lstZoom_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
    {            
        float zoomPercent = Convert.ToSingle(e.ClickedItem.Text.Trim('%'));
        richTextBox1.ZoomFactor = zoomPercent / 100;
    }

    private void lstFontSize_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
    {
        if (richTextBox1.SelectionFont == null)
        {
            return;
        }
        richTextBox1.SelectionFont =new Font(richTextBox1.SelectionFont.FontFamily,
            Convert.ToInt32(e.ClickedItem.Text),
            richTextBox1.SelectionFont.Style);
    }

     private void cmdAddImage_Click(object sender, EventArgs e)
    {
         Image img = Image.FromFile("winter.jpg");
         Clipboard.SetImage(img);
         
         richTextBox1.SelectionStart = 0;
         richTextBox1.Paste();

         Clipboard.Clear();
    }

    private void InitializeComponent()
    {
        this.richTextBox1 = new System.Windows.Forms.RichTextBox();
        this.toolStrip1 = new System.Windows.Forms.ToolStrip();
        this.cmdBold = new System.Windows.Forms.ToolStripButton();
        this.cmdItalic = new System.Windows.Forms.ToolStripButton();
        this.cmdUnderline = new System.Windows.Forms.ToolStripButton();
        this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
        this.lstColors = new System.Windows.Forms.ToolStripDropDownButton();
        this.lstFonts = new System.Windows.Forms.ToolStripDropDownButton();
        this.lstFontSize = new System.Windows.Forms.ToolStripDropDownButton();
        this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
        this.lstZoom = new System.Windows.Forms.ToolStripDropDownButton();
        this.cmdAddImage = new System.Windows.Forms.Button();
        this.toolStrip1.SuspendLayout();
        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.BulletIndent = 5;
        this.richTextBox1.Location = new System.Drawing.Point(1237);
        this.richTextBox1.Margin = new System.Windows.Forms.Padding(5);
        this.richTextBox1.Name = "richTextBox1";
        this.richTextBox1.Size = new System.Drawing.Size(317197);
        this.richTextBox1.TabIndex = 0;
        this.richTextBox1.Text = "adfasdf";
        this.richTextBox1.SelectionChanged += new System.EventHandler(this.richTextBox1_SelectionChanged);
        // 
        // toolStrip1
        // 
        this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
        this.cmdBold,
        this.cmdItalic,
        this.cmdUnderline,
        this.toolStripSeparator1,
        this.lstColors,
        this.lstFonts,
        this.lstFontSize,
        this.toolStripSeparator2,
        this.lstZoom});
        this.toolStrip1.Location = new System.Drawing.Point(00);
        this.toolStrip1.Name = "toolStrip1";
        this.toolStrip1.Size = new System.Drawing.Size(34125);
        this.toolStrip1.TabIndex = 1;
        this.toolStrip1.Text = "toolStrip1";
        // 
        // cmdBold
        // 
        this.cmdBold.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.cmdBold.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.cmdBold.Name = "cmdBold";
        this.cmdBold.Size = new System.Drawing.Size(3122);
        this.cmdBold.Text = "Bold";
        this.cmdBold.Click += new System.EventHandler(this.cmdBold_Click);
        // 
        // cmdItalic
        // 
        this.cmdItalic.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.cmdItalic.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.cmdItalic.Name = "cmdItalic";
        this.cmdItalic.Size = new System.Drawing.Size(3422);
        this.cmdItalic.Text = "Italic";
        this.cmdItalic.Click += new System.EventHandler(this.cmdItalic_Click);
        // 
        // cmdUnderline
        // 
        this.cmdUnderline.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.cmdUnderline.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.cmdUnderline.Name = "cmdUnderline";
        this.cmdUnderline.Size = new System.Drawing.Size(5622);
        this.cmdUnderline.Text = "Underline";
        this.cmdUnderline.Click += new System.EventHandler(this.cmdUnderline_Click);
        // 
        // toolStripSeparator1
        // 
        this.toolStripSeparator1.Name = "toolStripSeparator1";
        this.toolStripSeparator1.Size = new System.Drawing.Size(625);
        // 
        // lstColors
        // 
        this.lstColors.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.lstColors.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.lstColors.Name = "lstColors";
        this.lstColors.Size = new System.Drawing.Size(4522);
        this.lstColors.Text = "Color";
        this.lstColors.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstColors_DropDownItemClicked);
        // 
        // lstFonts
        // 
        this.lstFonts.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.lstFonts.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.lstFonts.Name = "lstFonts";
        this.lstFonts.Size = new System.Drawing.Size(4222);
        this.lstFonts.Text = "Font";
        this.lstFonts.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFonts_DropDownItemClicked);
        // 
        // lstFontSize
        // 
        this.lstFontSize.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.lstFontSize.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.lstFontSize.Name = "lstFontSize";
        this.lstFontSize.Size = new System.Drawing.Size(3922);
        this.lstFontSize.Text = "Size";
        this.lstFontSize.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstFontSize_DropDownItemClicked);
        // 
        // toolStripSeparator2
        // 
        this.toolStripSeparator2.Name = "toolStripSeparator2";
        this.toolStripSeparator2.Size = new System.Drawing.Size(625);
        // 
        // lstZoom
        // 
        this.lstZoom.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
        this.lstZoom.ImageTransparentColor = System.Drawing.Color.Magenta;
        this.lstZoom.Name = "lstZoom";
        this.lstZoom.Size = new System.Drawing.Size(4622);
        this.lstZoom.Text = "Zoom";
        this.lstZoom.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.lstZoom_DropDownItemClicked);
        // 
        // cmdAddImage
        // 
        this.cmdAddImage.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
        this.cmdAddImage.Location = new System.Drawing.Point(12237);
        this.cmdAddImage.Name = "cmdAddImage";
        this.cmdAddImage.Size = new System.Drawing.Size(15423);
        this.cmdAddImage.TabIndex = 2;
        this.cmdAddImage.Text = "Insert Image";
        this.cmdAddImage.UseVisualStyleBackColor = true;
        this.cmdAddImage.Click += new System.EventHandler(this.cmdAddImage_Click);
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(341266);
        this.Controls.Add(this.cmdAddImage);
        this.Controls.Add(this.toolStrip1);
        this.Controls.Add(this.richTextBox1);
        this.Font = new System.Drawing.Font("Tahoma"8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
        this.Name = "Form1";
        this.Text = "RichTextBox Test";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.toolStrip1.ResumeLayout(false);
        this.toolStrip1.PerformLayout();
        this.ResumeLayout(false);
        this.PerformLayout();

    }

  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }

}


           
       
Related examples in the same category
1.Paste Image to RichTextBoxPaste Image to RichTextBox
2.Set Font size, family for a RichTextBoxSet Font size, family for a RichTextBox
3.RichTextBox ZoomRichTextBox Zoom
4.Editor FormEditor Form
5.RTFBox TestRTFBox Test
6.RichTextBox Zooming
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.