寒假总结(2)鼠标键盘系统的基本操作

寒假总结(2)鼠标键盘系统的基本操作开通黄钻寒假总结（2）鼠标键盘系统的基本操作using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace 鼠标{public partial class Form1 : Form{MessageFilter mf = new MessageFilter();public Form1(){InitializeComponent();}private void Form1_MouseDown(object sender, MouseEventArgs e){//获取鼠标点击时位置XY坐标bel1.Text = e.X.ToString();bel2.Text = e.Y.ToString();}private void textBox1_MouseDown(object sender, MouseEventArgs e){//获取鼠标操作操作string str = textBox1.Text;if (e.Button == MouseButtons.Right){textBox1.Text += "鼠标右击点下";}if (e.Button ==MouseButtons.Left){textBox1.Text += "鼠标左击点下";}if (e.Button == MouseButtons.Middle){textBox1.Text += "鼠标中间点下";}if (e.Button == MouseButtons.None){textBox1.Text += "未按鼠标";}}private void Form1_Load(object sender, EventArgs e){//添加消息筛选器以便在向目标传送Windows 消息时监视这些消息Application.AddMessageFilter(mf );}//从窗体中移除一个消息筛选器private void Frm_Main_FormClosing(object sender, FormClosingEventArgs e){//从应用程序的消息泵移除一个消息筛选器Application.RemoveMessageFilter (mf);}//方法一，重写WndProc虚方法，与方法二不可同时存在protected override void WndProc(ref Message m){switch (m.Msg)//判断系统消息的ID号{case 513:MessageBox.Show("单击了鼠标左键！", "系统信息");m.Result = (IntPtr)0;//为了响应消息处理而向Windows 返回的值break;case 516:MessageBox.Show("单击了鼠标右键！", "系统信息");m.Result = (IntPtr)0;//为了响应消息处理而向Windows 返回的值break;default:base.WndProc(ref m);break;}}}//方法二，实现IMessageFilter接口，从而获得Windows消息，与方法一不可同时存在public class MessageFilter : IMessageFilter{public bool PreFilterMessage(ref Message message){switch (message.Msg)//判断系统消息的ID号{case 513:MessageBox.Show("单击了鼠标左键！", "系统信息");return true;case 516:MessageBox.Show("单击了鼠标右键！", "系统信息");return true;default:return false;}}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace 鼠标{public partial class Form2 : Form{public Form2(){InitializeComponent();InitializeComponent();pen = new Pen(Color.FromName("black"));//始末画笔graphics = CreateGraphics();//初始画板}private void Form2_Load(object sender, EventArgs e){//获取鼠标形状this.Cursor = new Cursor("1.cur");//自定义鼠标图片bel1.Cursor = Cursors.Arrow;//鼠标放上后为箭头状label2.Cursor = Cursors.Hand;//小手状label3.Cursor = Cursors.Help;//箭头问号组合label4.Cursor = Cursors.IBeam;//I型光标label5.Cursor = Cursors.NoMoveHoriz;label6.Cursor = Cursors.PanNorth;label7.Cursor = new Cursor("1.ico");//自定义图片}private void button1_Click(object sender, EventArgs e){this.Cursor = new Cursor(Cursor.Current.Handle);//创建cursor对象Cursor.Position = new Point(Cursor.Position.X,Cursor.Position.Y);//设置鼠标位置Cursor.Clip = new Rectangle(this.Location, this.Size);//设置鼠标的活动区域}private void button2_Click(object sender, EventArgs e){Screen[] screens = Screen.AllScreens;//获取显示的数组this.Cursor = new Cursor(Cursor.Current.Handle);//创建Cursor对象Cursor.Clip = screens[0].Bounds;//接触对鼠标活动区域的限制}public bool G_OnMouseDown = false;//标识，用来控制画图public Point lastPoint = Point.Empty;//定义绘图开始点public Pen pen;//声明画笔public Graphics graphics;//声明绘图对象private void Form2_MouseMove(object sender, MouseEventArgs e){if (lastPoint.Equals(Point.Empty))//判断绘图开始点是否为空{lastPoint = new Point(e.X, e.Y);//记录鼠标当前位置}if (G_OnMouseDown)//开始绘图{Point cruuPoint = new Point(e.X, e.Y);//获取鼠标当前位置graphics.DrawLine(pen, cruuPoint, lastPoint);//绘图}lastPoint = new Point(e.X, e.Y);//记录鼠标当前位置}private void Form2_MouseUp(object sender, MouseEventArgs e){G_OnMouseDown = false;//开始绘图标识设置为false}private void Form2_MouseDown(object sender, MouseEventArgs e){G_OnMouseDown = true;//开始绘图标识设置为true````}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace 键盘{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void textBox1_KeyDown(object sender, KeyEventArgs e){/* if((e.Control ==true )&&(e.KeyCode ==Keys .A )){MessageBox.Show("你按下了ctrl+A", "系统", MessageBoxButtons.OKCancel,MessageB oxIcon .Warning );}*/}private void Form1_Load(object sender, EventArgs e){Form1 f = new Form1();f.KeyPreview = true;}/// <summary>/// 移动窗体/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void Form1_KeyDown(object sender,KeyEventArgs e){Point point = this.Location;switch (e.KeyData)//判断按键类型{case Keys .Up :point.Y -= 2;break;case Keys.Down :point.Y += 2;break;case Keys .Right :point.X += 2;break;case Keys.Left :point .X -=2;break;case Keys .Escape :this.Close();break;default: break;}this .Location =point ;}/* private void Form1_KeyDown(object sender, KeyEventArgs e){if (e.Alt && e.KeyCode == Keys.F4)//键值115{e.Handled = true;//不执行操作}if (e.KeyCode== Keys.F1){MessageBox.Show("王延领按下了f1", "提示");}}private void Form1_KeyUp(object sender, KeyEventArgs e){if (e.KeyData == Keys.Escape)//按下esc时{if (MessageBox.Show("是否关闭程序","提示信息", MessageBoxButtons.YesNo) == DialogResult.Yes){Application.Exit();}}}private void richTextBox1_KeyDown(object sender, KeyEventArgs e){if (e.Control && e.KeyCode == Keys.V){e.Handled = true;//屏蔽CRTRL+V}if (e.Control && e.KeyCode == Keys.X||e.KeyCode ==Keys .C ){e.Handled = true;}}private void textBox1_KeyPress(object sender, KeyPressEventArgs e){//释放后发生事件if (e.KeyChar == 13){e.Handled = true;//关闭敲回车键嘀的声音}}/// <summary>/// 输入法的打开与关闭/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button1_Click(object sender, EventArgs e){this.textBox1.ImeMode = ImeMode.Off;//关闭输入法}private void button2_Click(object sender, EventArgs e){this.textBox1.ImeMode = ImeMode.On;}private void Form1_Load(object sender, EventArgs e){Form1 f = new Form1();f.KeyPreview = true;//接受案件控件}/* [System.Runtime.InteropService s.DllImport("user32", EntryPoint = "GetKeyState")]//重写Apipublic static extern int GetKeyState(int intkey);private void button1_Click(object sender, EventArgs e){string str = "判断numlockhr capslock键是否锁定：\n";int intnumlock = GetKeyState(144);//判断numlock键if (intnumlock == 0){str += "numlock未锁定\n";}else {str += "numlock已锁定\n";}int intcapslock = GetKeyState(20);if (intcapslock == 0){str += "caplock未锁定\n";}else{str += "caplock已锁定\n";}MessageBox.Show(str, "判断");}private void textBox1_KeyDown_1(object sender, KeyEventArgs e){if (e.KeyValue == 13)//如果键值为13（回车键）{SendKeys.Send("{TAB}");//发送TAB命令}}private void textBox2_KeyDown(object sender, KeyEventArgs e){if (e.KeyValue == 13){SendKeys.Send("{TAB}");}}*/}}using System;using System.Collections.Generic; using ponentModel; using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace 系统{public partial class Form1 : Form {public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){label1.Text = "当前时间是：" + DateTime.Now.ToString();//获取现在时间label2.Text = "当前系统目录" + Environment.SystemDirectory;label3.Text = "计算机名称：" + Environment.MachineName;label4.Text = "当前运行目录：" + Environment.CurrentDirectory;label5.Text = "系统版本号：" + Environment.OSVersion.VersionString;textBox1.Text = (Environment.TickCount / 1000).ToString() + "秒";//获取启动后经过的时间}private void timer1_Tick(object sender, EventArgs e){textBox1.Text = (Environment.TickCount / 1000).ToString() +"秒";}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Collections;namespace 获取系统环境变量{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){listView1.View = View.Details;//设置控件显示方式listView1.GridLines = true;//是否显示网格listView1.Columns.Add("环境变量", 150, HorizontalAlignment.Left);//添加列标头listView1.Columns.Add("变量值", 150, HorizontalAlignment.Left);//添加列标头ListViewItem myItem;//创建ListViewItem对象//获取系统环境变量及对应的变量值，并显示在ListView控件中foreach (DictionaryEntry DEntry inEnvironment.GetEnvironmentVariables()){myItem = new ListViewItem(DEntry.Key.ToString(), 0);//创建ListViewItem对象myItem.SubItems.Add(DEntry. Value.ToString());//添加子项集合listView1.Items.Add(myItem); //将子项集合添加到控件中}}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace 获取所有逻辑分区{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void button1_Click(object sender, EventArgs e){listFolders(comboBox1);}public void listFolders(ComboBox tscb)//获取本地磁盘目录{string[] logicdrives = System.IO.Directory.GetLogicalDrives(); //获取本地逻辑分区的数组for (int i = 0; i < logicdrives.Length; i++)//遍历数组{tscb.Items.Add(logicdrives[i]); //将数组中的项目添加到ComboBox控件中tscb.SelectedIndex = 0;//设置第一项被选中}}private void comboBox1_SelectedIndexChanged(obj ect sender, EventArgs e){try{System.IO.DriveInfo[] drive = System.IO.DriveInfo.GetDrives();//获取所有磁盘驱动for (int i = 0; i < drive.Length; i++)//遍历数组{if (comboBox1.SelectedItem.ToString()== drive[i].Name)//判断遍历到的想是否与下拉框中的项相同{label1.Text = "总空间" +drive[i].TotalSize / 1024 / 1024 / 1024 + "G";label2.Text = "剩余空间" + drive[i].TotalFreeSpace / 1024 / 1024 / 1024 + "G";label3.Text = "已用空间" + (drive[i].TotalSize - drive[i].TotalFreeSpace) / 1024 / 1024 / 1024 + "G";}if (comboBox1.SelectedItem.ToString()== drive[i].Name){if (drive[i].IsReady){textBox1.Text = drive[i].DriveFormat;//判断磁盘类型}}}}catch {}}}}using System;using System.Collections.Generic; using ponentModel; using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; using System.IO;namespace 磁盘信息{public partial class Form1 : Form {public Form1(){InitializeComponent();}string str = "";private void Form1_Load(object sender, EventArgs e){DriveInfo[] alldrives = DriveInfo.GetDrives();//获取所有驱动信息foreach (DriveInfo dir in alldrives)//遍历所有驱动信息{str += Environment.NewLine + "驱动名称: " + ;str += Environment.NewLine + "类型: " + dir.DriveType;if (dir.IsReady == true)//判断是否准备好{str += Environment.NewLine + "卷标: " + dir.VolumeLabel;str += Environment.NewLine + "文本格式: " + dir.DriveFormat;str += Environment.NewLine+ "可用空间: " + dir.TotalFreeSpace;str += Environment.NewLine + "总空间: " + dir.TotalSize;}}label1.Text = str;}}}。