控件使用实验报告

1、实验报告课程名称面向对象程序设计实验名称实验五、控件使用日期学生学号姓名班级实验目的：1掌握窗体的常用属性的使用。2. 掌握文本操作类控件中的标签控件和文本控件的使用。3掌握选择操作类控件中的复选框、单选框、列表框、组合框的使用。实验要求：1.认真阅读、掌握和本实验相关的教材内容。2.设计并编写代码完成题目要求的任务。3.撰写实验报告。实验内容与步骤：1.多窗体练习实现如图所示功能。输入用户名后点击登录按钮，弹出右图消息框。要求在消息框中显示用户输入的用户名和“欢迎你”语句。点击取消按钮结束程序运行。源代码： 在窗体form1里面添加如下代码：using System;using System

2、.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace shiyan5 public partial class Form1 : Form public Form1() InitializeComponent(); private void button1_Click(object sender, EventArgs e) Mess

3、ageBox.Show(this.textBox1.Text+欢?迎-你?！?,提示?消?息,MessageBoxButtons.OK,MessageBoxIcon.Information); private void button2_Click(object sender, EventArgs e) this.Close(); 2.文本框，标签和按钮练习实现如图所示功能。点击红色按钮，将文本框中的文字颜色变成红色，同时把该按钮变成不可用（提示：修改按钮的Enabled属性为false使其不可用）；点击黑色按钮，将文本框中的文字颜色变成黑色，同时把该按钮变成不可用；点击“文本内容复制到标签”将

4、文本框内容复制到下方标签。源代码： 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 shiyan5_2 public partial class Form1 : Form public Form1() InitializeComponent(); private void b

5、utton1_Click(object sender, EventArgs e) textBox1.ForeColor = System.Drawing.Color.Red; this.button1.Enabled=false; private void button2_Click(object sender, EventArgs e) textBox1.ForeColor = System.Drawing.Color.Black; this.button2.Enabled = false; private void button3_Click(object sender, EventArg

6、s e) label1.Text = textBox1.Text; 3定时器练习在窗体中显示字符，每隔1秒字符移动一定距离，先右移，移到右边界，再左移，移到左边界，又一次右移，如此循环。（提示：修改标签的Left属性值） 源代码： 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;namespac

7、e shiyan5_3 public partial class Form1 : Form public Form1() InitializeComponent(); private bool MoveToRight = true; private void timer1_Tick(object sender, EventArgs e) int x = label1.Location.X; int y = label1.Location.Y; int increment = 10; if (MoveToRight) if (x + label1.Size.Width) + increment

8、= this.ClientRectangle.Width) MoveToRight = false; else label1.Location = new Point(x + increment, y); if (!MoveToRight) if (x - increment = 0) MoveToRight = true; else label1.Location = new Point(x - increment, y); 4复选框、单选框、组合框练习实现如图所示的功能。要求对相应控件做了设置之后，马上见到对应的字体效果。清除按钮用来清除文本框中的文字内容，退出按钮用来退出程序。源代码：

9、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 shiyan5_4 public partial class Form1 : Form public Form1() InitializeComponent(); private void button2_Click(objec

10、t sender, EventArgs e) this.Close(); private void button1_Click(object sender, EventArgs e) textBox1.Text = ; private void radioButton1_CheckedChanged(object sender, EventArgs e) textBox1.Font = new System.Drawing.Font(宋?体?,15f); private void radioButton2_CheckedChanged(object sender, EventArgs e) t

11、extBox1.Font = new System.Drawing.Font(楷?体?, 15f); private void radioButton4_CheckedChanged(object sender, EventArgs e) textBox1.Font = new System.Drawing.Font(黑体?, 15f); private void radioButton3_CheckedChanged(object sender, EventArgs e) textBox1.Font = new System.Drawing.Font(隶书, 15f); private vo

12、id checkBox1_CheckedChanged(object sender, EventArgs e) if (checkBox1.Checked) textBox1.Font = new Font(宋?体?,15f,FontStyle.Bold); private void checkBox2_CheckedChanged(object sender, EventArgs e) if (checkBox2.Checked) textBox1.Font = new Font(宋?体?, 15f, FontStyle.Italic); private void checkBox3_Che

13、ckedChanged(object sender, EventArgs e) if (checkBox3.Checked) textBox1.Font = new Font(宋?体?, 15f, FontStyle.Underline); private void checkBox4_CheckedChanged(object sender, EventArgs e) if (checkBox4.Checked) textBox1.Font = new Font(宋?体?, 15f, FontStyle.Strikeout); private void comboBox1_SelectedI

14、ndexChanged(object sender, EventArgs e) comboBox1.SelectedItem = new Font(宋?体?,textBox1.Font.Size); 5列表框练习实现程序如下功能：在文本框中输入水果，点击添加按钮将输入的水果添加到列表框中，如果列表框中已存在此种水果则不添加；在列表框中选中某些水果后点击删除，删除这些果；点击清除按钮将列表框中的所有水果都清除。源代码： using System;using System.Collections.Generic;using System.ComponentModel;using System.Da

15、ta;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace shiyan5_5 public partial class TestList : Form public TestList() InitializeComponent(); private void AddButton_Click(object sender, EventArgs e) bool repeatJudege=false; if (textBox.Text.Trim() != ) fore

16、ach (string item in FruitListBox.Items) if (textBox.Text = item) MessageBox.Show(列表已有 + textBox.Text, 错误提醒, MessageBoxButtons.OK, MessageBoxIcon.Error); repeatJudege = true; break; if (!repeatJudege) FruitListBox.Items.Add(textBox.Text.Trim(); textBox.Text = ; else MessageBox.Show(输入不能为空值, 错误提醒, Mes

17、sageBoxButtons.OK, MessageBoxIcon.Error); private void DelButton_Click(object sender, EventArgs e) int count=FruitListBox.SelectedItems.Count; if (count != 0) for (int i = 0; i count; i+) FruitListBox.Items.Remove(FruitListBox.SelectedItems0); else MessageBox.Show(请选中删除项, 错误提醒, MessageBoxButtons.OK,

18、 MessageBoxIcon.Error); private void DelAllButton_Click(object sender, EventArgs e) if (FruitListBox.Items.Count!=0) FruitListBox.Items.Clear(); else MessageBox.Show(表中为空, 错误提醒, MessageBoxButtons.OK, MessageBoxIcon.Error); private void TestList_Load(object sender, EventArgs e) 6. 简单记事本。使用菜单方式实现字体选择和

19、文字颜色的选择；使用工具栏方式实现字体选择和文字颜色的选择；使用状态栏显示当前输入的文字的个数信息。源代码： 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 shiyan5_6 public partial class Form1 : Form public Form1()

20、InitializeComponent(); private void 字体选择ToolStripMenuItem_Click(object sender, EventArgs e) FontDialog fd = new FontDialog(); if (fd.ShowDialog() = DialogResult.OK) textBox1.Font = fd.Font; private void Form1_Load(object sender, EventArgs e) toolStripStatusLabel2.Text = 0; private void toolStripButt

21、on1_Click(object sender, EventArgs e) FontDialog fd = new FontDialog(); if (fd.ShowDialog() = DialogResult.OK) textBox1.Font = fd.Font; private void 则提示颜色ToolStripMenuItem_Click(object sender, EventArgs e) ColorDialog fd = new ColorDialog(); if (fd.ShowDialog() = DialogResult.OK) textBox1.ForeColor

22、= fd.Color; private void toolStripButton2_Click(object sender, EventArgs e) ColorDialog fd = new ColorDialog(); if (fd.ShowDialog() = DialogResult.OK) textBox1.ForeColor = fd.Color; private void textBox1_TextChanged(object sender, EventArgs e) toolStripStatusLabel2.Text = textBox1.Text.Length.ToString(); 7. 简单图片查看器。要求使用PictureBox和ImageList控件。源代码：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 shiyan5_7 public partial class Form1 : Form public Form1() Ini