contextmenustripform.cs

来自「csharp课本的源代码」· CS 代码 · 共 67 行

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

namespace ContextMenuStripExample
{
    public partial class ContextMenuStripForm : Form
    {
        // 这些变量分别用于保存richTextBox1中初始文本的字体设置
        //FontFamily oldFontFamily=richTextBox1.SelectionFont.FontFamily;
        Color oldColor;
        int smallsize=4;
        FontStyle oldFontStyle;

        public ContextMenuStripForm()
        {
            InitializeComponent();
        }

        private void toolStripMenuItem大字体_Click(object sender, EventArgs e)
        {
            FontFamily oldFontFamily = richTextBox1.SelectionFont.FontFamily;
            richTextBox1.SelectionFont = new Font(oldFontFamily, 24, oldFontStyle);
        }

        private void toolStripMenuItem小字体_Click(object sender, EventArgs e)
        {
            FontFamily oldFontFamily = richTextBox1.SelectionFont.FontFamily;
            richTextBox1.SelectionFont = new Font(oldFontFamily, smallsize, oldFontStyle);
        }

        private void toolStripMenuItem红色字体_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectionColor = Color.Red;
        }

        private void toolStripMenuItem蓝色字体_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectionColor = Color.Blue;
        }

        private void toolStripMenuItem绿色字体_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectionColor = Color.Green;
        }

        private void toolStripMenuItem恢复字体大小_Click(object sender, EventArgs e)
        {
            FontFamily oldFontFamily = richTextBox1.SelectionFont.FontFamily;
            richTextBox1.SelectionFont = new Font(oldFontFamily, 8, oldFontStyle);
        }

        private void toolStripMenuItem恢复字体颜色_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectionColor = oldColor;
        }

        private void toolStripMenuItem保存文件_Click(object sender, EventArgs e)
        {
            richTextBox1.SaveFile("D:\\source.rtf", RichTextBoxStreamType.RichText);
        }
    }
}