C#初学者——第二个窗口小程序

来源：互联网发布：辐射4捏脸数据导入编辑：程序博客网时间：2024/05/19 06:18

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

namespace Smaple_Text_Editor
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void buttonBoid_Click(object sender, EventArgs e)
{
Font oldFont;
Font newFont;
oldFont = this.richTextBox1.SelectionFont;
if (oldFont.Bold)
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Bold);
else
newFont=new Font(oldFont,oldFont.Style|FontStyle.Bold);
this.richTextBox1.SelectionFont=newFont;
this.richTextBox1.Focus();

}

private void buttonUnderline_Click(object sender, EventArgs e)
{
Font oldFont;
Font newFont;
oldFont = this.richTextBox1.SelectionFont;
if (oldFont.Underline)
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Underline);
else
newFont = new Font(oldFont,oldFont.Style|FontStyle.Underline);
this.richTextBox1.SelectionFont = newFont;
this.richTextBox1.Focus();

}

private void buttonItalic_Click(object sender, EventArgs e)
{
Font oldFont;
Font newFont;
oldFont = this.richTextBox1.SelectionFont;
if (oldFont.Underline)
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Underline);
else
newFont = new Font(oldFont,oldFont.Style|FontStyle.Underline);
this.richTextBox1.SelectionFont = newFont;
this.richTextBox1.Focus();
}

private void buttonCenter_Click(object sender, EventArgs e)
{
if (this.richTextBox1.SelectionAlignment == HorizontalAlignment.Center)
this.richTextBox1.SelectionAlignment = HorizontalAlignment.Left;
else
this.richTextBox1.SelectionAlignment = HorizontalAlignment.Center;
this.richTextBox1.Focus();
}

private void textBox1_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 txt = (TextBox)sender;
if (txt.Text.Length > 0)
ApplyTextSize(txt.Text);
e.Handled = true;
this.richTextBox1.Focus();

}
}

private void ApplyTextSize(string txtSize)
{
float newSize = Convert.ToSingle(txtSize);
FontFamily currentFontFamily;
Font newFont;
currentFontFamily = this.richTextBox1.SelectionFont.FontFamily;
newFont = new Font(currentFontFamily,newSize);
this.richTextBox1.SelectionFont = newFont;

//throw new NotImplementedException();
}

private void textBox1_Validated(object sender, EventArgs e)
{
TextBox txt = (TextBox)sender;
ApplyTextSize(txt.Text);
this.richTextBox1.Focus();
}

private void richTextBox1_LinkClicked(object sender, LinkClickedEventArgs e)
{
System.Diagnostics.Process.Start(e.LinkText);
}

private void buttonLoad_Click(object sender, EventArgs e)
{
try
{
richTextBox1.LoadFile("Test.rtf");
}
catch
{
MessageBox.Show("没有加载文件");
}
}

private void buttonSave_Click(object sender, EventArgs e)
{
try
{
richTextBox1.SaveFile("Test.rtf");
}
catch (System.Exception err)
{
MessageBox.Show(err.Message);
}
}

}
}