C#win练习.doc

/1.添加两个按钮一个文本框如下图：当用户点击爱时弹出“我也爱你哟”，点击不爱时弹出“还是被你给点到了”并退出程序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 Love_and_notLove public partial class Form1 : Form public Form1() InitializeComponent(); private void Lovebtn_Click(object sender, EventArgs e) MessageBox.Show(我也爱你哟！); this.Close(); /触发点击事件 private void NotLovebtn_Click(object sender, EventArgs e) MessageBox.Show(还是被你给点到了); /关闭主程序 this.Close(); /针对鼠标移动至按钮所属区域时触发事件 private void NotLovebtn_MouseEnter(object sender, EventArgs e) /声明一个变量用于存放按钮的轴坐标 int x = this.ClientSize.Width-NotLovebtn.Width; /声明一个变量用于存放按钮的轴坐标 int y = this.ClientSize.Height-NotLovebtn.Height; /声明一个随机数实例 Random r = new Random(); /声明按钮的移动范围 NotLovebtn.Location = new Point(r.Next(0, x + 1), r.Next(0, y + 1); /2.在窗口中放置两个控件如下图：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 Lable控件和TextBox控件 public partial class Form1 : Form public Form1() InitializeComponent(); private void txtBox_TextChanged(object sender, EventArgs e) lblTxt.Text = txtBox.Text; /使lable控件的值等于textbox的值 /3.做一个跑马灯的练习控件如下图：在窗体中放入label和Timer两个控件并分别设置两个控件的属性Label控件：Text：Timer控件：Enable:true Tick:事件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 跑马灯 public partial class Form1 : Form public Form1() InitializeComponent(); private void timer1_Tick(object sender, EventArgs e) label1.Text = label1.Text.Substring(1) + label1.Text.Substring(0, 1); /4.小闹钟在窗体中放一个label和timer两个控件并修改其属性Timer控件：Interval:1000Enable:TrueLabel 控件：Name:labtimeusing System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Media;namespace 小闹钟 public partial class Form1 : Form public Form1() InitializeComponent(); private void timer2_Tick(object sender, EventArgs e) labTime.Text = DateTime.Now.ToString(); if (DateTime.Now.Hour = 12 & DateTime.Now.Minute = 02 & DateTime.Now.Second = 00) SoundPlayer sp = new SoundPlayer(); sp.SoundLocation = C:Program FilesMicrosoft OfficeOFFICE11MEDIADRUMROLL.WAV; sp.Play(); private void Form1_Load(object sender, EventArgs e) labTime.Text = DateTime.Now.ToString(); /5.需要输入用户名“admin”和密码“admin”才能登陆到使用介面的记事本程序：/在窗体中需要拖入2 个label控件4个button控件3个textBox控件并修改其相应属性Label控件：label1:Text: 用户名：Label2:Text: 密码：textBox控件：textBox2:passwrodChar:*textBox3: MultiLine(多行)WordWrap:FalseButton控件：button1:Name:btnLoginText:登陆Button2:Name:btnResetText:重置Button3:Name:butWordsText:自动换行Button4:Name:butSaveText:保存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;using System.IO;namespace 记事本程序 public partial class Form1 : Form public Form1() InitializeComponent(); / / 程序运行时隐藏文本编程器 / / / private void Form1_Load(object sender, EventArgs e) /txtWords.WordWrap = false; btnWords.Visible = false; btnSave.Visible = false; txtWords.Visible = false; private void butLogin_Click(object sender, EventArgs e) string name = txtName.Text.Trim(); string pwd = txtPwd.Text; if (name = admin & pwd = admin) /txtWords.WordWrap = true; btnWords.Visible = true; btnSave.Visible = true; txtWords.Visible = true; label1.Visible = false; label2.Visible = false; butLogin.Visible = false; butReset.Visible = false; txtName.Visible = false; txtPwd.Visible = false; MessageBox.Show(登陆成功！); else MessageBox.Show(用户名或密码错误，请重新输入！); txtName.Clear(); txtPwd.Clear(); txtName.Focus(); / / 重置用户与密码的文本 / / / private void butReset_Click(object sender, EventArgs e) txtName.Clear(); txtPwd.Clear(); txtName.Focus(); / / 自动换行 / / / private void btnWords_Click(object sender, EventArgs e) if (btnWords.Text = 自动换行) txtWords.WordWrap = true; btnWords.Text = 取消自动换行; else if (btnWords.Text = 取消自动换行) txtWords.WordWrap = false; btnWords.Text = 自动换行; / / 保存文件到指定位置 / / / private void btnSave_Click(object sender, EventArgs e) using (FileStream fsWrite = new FileStream(C:Documents and SettingsAdministrator桌面new.txt, FileMode.OpenOrCreate, FileAccess.Write) string str = txtWords.Text.Trim(); byte buffer = System.Text.Encoding.Default.GetBytes(str); fsWrite.Write(buffer, 0, buffer.Length); MessageBox.Show(保存成功); /6.老师或者学生登陆/在窗体中拖入2个label控件2个textBox控件2个radiobutton和1个button控件如下图：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 学生或者老师登陆 public partial class Form1 : Form public Form1() InitializeComponent(); private void btn_Click(object sender, EventArgs e) if (rdostudent.Checked | rdoteacher.Checked) string name = txtName.Text.Trim(); string pwd = txtPwd.Text; if (rdostudent.Checked) if (name = student & pwd = student) MessageBox.Show(登陆成功); else MessageBox.Show(登陆失败); txtName.Clear(); txtPwd.Clear(); txtName.Focus(); else if (name = teacher & pwd = teacher) MessageBox.Show(登陆成功); else MessageBox.Show(登陆失败); txtName.Clear(); txtPwd.Clear(); txtName.Focus(); else MessageBox.Show(请首先选择登陆身份); /7.父(MDI)窗口练习在form1主窗口中放置菜单：显示子窗体 横向排列纵向排列/依次创建4个窗体在form1窗体form1窗体：isMdiContainer:true添加MenuStrip工具如下图：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace MDI窗体设计 public partial class Form1 : Form public Form1() InitializeComponent(); private void 纵向排列ToolStripMenuItem_Click(object sender, EventArgs e) LayoutMdi(MdiLayout.TileVertical); private void 横向排列ToolStripMenuItem_Click(object sender, EventArgs e) LayoutMdi(MdiLayout.TileHorizontal); private void 显示子窗体ToolStripMenuItem_Click(object sender, EventArgs e) Form2 frm2 = new Form2(); frm2.MdiParent = this; frm2.Show(); Form3 frm3 = new Form3(); frm3.MdiParent = this; frm3.Show(); Form4 frm4 = new Form4(); frm4.MdiParent = this; frm4.Show(); /8.实现图片的上翻下翻在窗中拖放入pictureBox工具两个botton按钮工具如下图botton1:Text:上一张botton2:Text:下一张using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.IO;namespace 图片上翻与下翻 public partial class Form1 : Form public Form1() InitializeComponent(); private void Form1_Load(object sender, EventArgs e) /设置窗体加载时显示的默认图片 pictureBox1.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); /设置图片在窗口中如何显示 pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; /图片路径字段 string path = Directory.GetFiles(C:UsersSkyDesktoppicture); /图片下标变量 int i = 0; / / 下一张 / / / private void button2_Click(object sender, EventArgs e) i+; if (i = path.Length) i = 0; pictureBox1.Image = Image.FromFile(pathi); / / 上一张 / / / private void button1_Click(object sender, EventArgs e) i-; if(i0) i = path.Length - 1; pictureBox1.Image = Image.FromFile(pathi); /9.加载图片并在每分钟更换一张图片如下图：timer控件Enable：TrueInterval：1000using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.IO;using System.Media;namespace PictureBow和Timer的小程序 public partial class Form1 : Form public Form1() InitializeComponent(); private void Form1_Load(object sender, EventArgs e) /播放音乐 SoundPlayer sp = new SoundPlayer(); sp.SoundLocation = C:UsersSkyDesktoppicture1.wav; sp.Play(); pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox2.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox3.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox4.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox5.SizeMode = PictureBoxSizeMode.StretchImage; pictureBox6.SizeMode = PictureBoxSizeMode.StretchImage; /在窗体加载的时候给每一个pictureBox都赋值一个图片 pictureBox1.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); pictureBox2.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); pictureBox3.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); pictureBox4.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); pictureBox5.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); pictureBox6.Image = Image.FromFile(C:UsersSkyDesktoppicture1.jpg); string path = Directory.GetFiles(C:UsersSkyDesktoppicture); Random r = new Random(); private void timer1_Tick(object sender, EventArgs e) /每隔一秒钟换一张图片 pictureBox1.Image = Image.FromFile(pathr.Next(0, path.Length); pictureBox2.Image = Image.FromFile(pathr.Next(0, path.Length); pictureBox3.Image = Image.FromFile(pathr.Next(0, path.Length); pictureBox4.Image = Image.FromFile(pathr.Next(0, path.Length); pictureBox5.Image = Image.FromFile(pathr.Next(0, path.Length); pictureBox6.Image = Image.FromFile(pathr.Next(0, path.Length); /10.目录练习using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.IO;namespace 目录练习 class Program static void Main(string args) /新建文件夹 /Directory.CreateDirectory(D:a); /Console.WriteLine(创建成功); /Console.ReadKey(); /删除文件夹 /Directory.Delete(d:a,true); /Console.WriteLine(删除成功); /Console.ReadKey(); /移动文件夹（必须在同一个根下） /Directory.Move(c:new, C:UsersSkyDesktoppicturenew); /Console.WriteLine(剪切成功); /Console.ReadKey(); /获取文件完整目录下的全部文件(指定文件类型显示） /string pathfiles = Directory.GetFiles(C:UsersSkyDesktoppicture,*.jpg); /for (int i = 0; i pathfiles.Length;i+ ) / Console.WriteLine(pathfilesi); / Console.ReadKey(); /获取指定目录下所有文件夹的全部路径 /string path= Directory.GetDirectories(c:UsersSkyDesktoppicturenew); / for(int i=0;ipath.Length;i+) / Console.WriteLine(pathi); / Console.ReadKey(); /判断指定的文件夹是否存在 if(Directory.Exists(c:UsersSkyDesktoppicturenew) for (int i=0;i100;i+) Directory.CreateDirectory(c:UsersSkyDesktoppicturenew + i); Console.ReadKey(); /11.做一个简单的浏览器/在窗体中拖入WebBrowser控件，TextBox控件和一个Botton控件botton控件Name:btnText:转到using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace 浏览器控件 public partial class Form1 : Form public Form1() InitializeComponent(); private void btn_Click(object sender, EventArgs e) string text = textBox1.Text; Uri uri=new Uri(http:/+text); webBrowser1.Url = uri; /12.日期选择器comboBox控件：DropDownStyle:DropDownListusing System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace 日期选择器 public partial class Form1 : Form public Form1() InitializeComponent(); / / 程序加载时显示年份 / / / private void Form1_Load(object sender, EventArgs e) int year = DateTime.Now.Year; for(int i=year;i1949;i-) cboYear.Items.Add(i+年); / / 月份被选定时加载天 / / / private void cboMonth_SelectedIndexChanged(object sender, Even