C# Text Editor

Enhance the Rich Text Editor application so that a user can change the font [2 fonts], font size [2 sizes], and the color [2 colors] of text. See attachment.

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RichTextEditor/Backup/RichTextEditor.sln RichTextEditor/Backup/RichTextEditor.v11.suo RichTextEditor/Backup/RichTextEditor/Form1.cs using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace RichTextEditor { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void NewButton_Click(object sender, EventArgs e) { RichTextBoxEditor.Clear(); } private void OpenButton_Click(object sender, EventArgs e) { if (openFileDialog1.ShowDialog() == DialogResult.OK) { RichTextBoxEditor.LoadFile(openFileDialog1.FileName); } } private void SaveAsButton_Click(object sender, EventArgs e) { if (saveFileDialog1.ShowDialog() == DialogResult.OK) { RichTextBoxEditor.SaveFile(saveFileDialog1.FileName); } } private void BoldButton_Click(object sender, EventArgs e) { Font newFont = new Font(RichTextBoxEditor.SelectionFont, (RichTextBoxEditor.SelectionFont.Bold ? RichTextBoxEditor.SelectionFont.Style & ~FontStyle.Bold : RichTextBoxEditor.SelectionFont.Style | FontStyle.Bold)); RichTextBoxEditor.SelectionFont = newFont; } private void ItalicButton_Click(object sender, EventArgs e) { Font newFont = new Font(RichTextBoxEditor.SelectionFont, (RichTextBoxEditor.SelectionFont.Italic ? RichTextBoxEditor.SelectionFont.Style & ~FontStyle.Italic : RichTextBoxEditor.SelectionFont.Style | FontStyle.Italic)); RichTextBoxEditor.SelectionFont = newFont; } private void UnderlineButton_Click(object sender, EventArgs e) { Font newFont = new...

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