寒假總結(jié)(2)鼠標鍵盤系統(tǒng)的基本操作

開通黃鉆寒假總結(jié)（2）鼠標鍵盤系統(tǒng)的基本操作usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;namespace鼠標

{

publicpartialclassForm1:Form

{

MessageFiltermf=newMessageFilter();

publicForm1()

{

InitializeComponent();

}

privatevoidForm1_MouseDown(objectsender,MouseEventArgse)

{//獲取鼠標點擊時位置XY坐標

this.label1.Text=e.X.ToString();

this.label2.Text=e.Y.ToString();

}

privatevoidtextBox1_MouseDown(objectsender,MouseEventArgse)

{//獲取鼠標操作操作

stringstr=textBox1.Text;

if(e.Button==MouseButtons.Right)

{

textBox1.Text+="鼠標右擊點下";

}

if(e.Button==MouseButtons.Left)

{

textBox1.Text+="鼠標左擊點下";

}

if(e.Button==MouseButtons.Middle)

{

textBox1.Text+="鼠標中間點下";

}

if(e.Button==MouseButtons.None)

{

textBox1.Text+="未按鼠標";

}

}

privatevoidForm1_Load(objectsender,EventArgse)

{

//添加消息篩選器以便在向目標傳送Windows消息時監(jiān)視這些消息

Application.AddMessageFilter(mf);

}

//從窗體中移除一個消息篩選器

privatevoidFrm_Main_FormClosing(objectsender,FormClosingEventArgse)

{

//從應(yīng)用程序的消息泵移除一個消息篩選器

Application.RemoveMessageFilter(mf);

}

//方法一，重寫WndProc虛方法，與方法二不可同時存在

protectedoverridevoidWndProc(refMessagem)

{

switch(m.Msg)//判斷系統(tǒng)消息的ID號

{

case513:

MessageBox.Show("單擊了鼠標左鍵！","系統(tǒng)信息");

m.Result=(IntPtr)0;//為了響應(yīng)消息處理而向Windows返回的值

break;

case516:

MessageBox.Show("單擊了鼠標右鍵！","系統(tǒng)信息");

m.Result=(IntPtr)0;//為了響應(yīng)消息處理而向Windows返回的值

break;

default:

base.WndProc(refm);

break;

}

}

}

//方法二，實現(xiàn)IMessageFilter接口，從而獲得Windows消息，與方法一不可同時存在

publicclassMessageFilter:IMessageFilter

{

publicboolPreFilterMessage(refMessagemessage)

{

switch(message.Msg)//判斷系統(tǒng)消息的ID號

{

this.Cursor=newCursor(Cursor.Current.Handle);//創(chuàng)建cursor對象

Cursor.Position=newPoint(Cursor.Position.X,Cursor.Position.Y);//設(shè)置鼠標位置

Cursor.Clip=newRectangle(this.Location,this.Size);//設(shè)置鼠標的活動區(qū)域

}

privatevoidbutton2_Click(objectsender,EventArgse)

{

Screen[]screens=Screen.AllScreens;//獲取顯示的數(shù)組

this.Cursor=newCursor(Cursor.Current.Handle);//創(chuàng)建Cursor對象

Cursor.Clip=screens[0].Bounds;//接觸對鼠標活動區(qū)域的限制

}

publicboolG_OnMouseDown=false;//標識，用來控制畫圖

publicPointlastPoint=Point.Empty;//定義繪圖開始點

publicPenpen;//聲明畫筆

publicGraphicsgraphics;//聲明繪圖對象

privatevoidForm2_MouseMove(objectsender,MouseEventArgse)

{

if(lastPoint.Equals(Point.Empty))//判斷繪圖開始點是否為空

{

lastPoint=newPoint(e.X,e.Y);//記錄鼠標當前位置

}

if(G_OnMouseDown)//開始繪圖

{

PointcruuPoint=newPoint(e.X,e.Y);//獲取鼠標當前位置

graphics.DrawLine(pen,cruuPoint,lastPoint);//繪圖

}

lastPoint=newPoint(e.X,e.Y);//記錄鼠標當前位置

}

privatevoidForm2_MouseUp(objectsender,MouseEventArgse)

{

G_OnMouseDown=false;//開始繪圖標識設(shè)置為false

}

privatevoidForm2_MouseDown(objectsender,MouseEventArgse)

{

G_OnMouseDown=true;//開始繪圖標識設(shè)置為true````

}

}

}

usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;namespace鍵盤

{

publicpartialclassForm1:Form

{

publicForm1()

{

InitializeComponent();

}

privatevoidtextBox1_KeyDown(objectsender,KeyEventArgse)

{

/*if((e.Control==true)&&(e.KeyCode==Keys.A))

{

MessageBox.Show("你按下了ctrl+A","系統(tǒng)",MessageBoxButtons.OKCancel,MessageBoxIcon.Warning);

}*/

}

privatevoidForm1_Load(objectsender,EventArgse)

{

Form1f=newForm1();

f.KeyPreview=true;

}

///<summary>

///移動窗體

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

privatevoidForm1_KeyDown(objectsender,KeyEventArgse)

{

Pointpoint=this.Location;

switch(e.KeyData)//判斷按鍵類型

{

caseKeys.Up:

point.Y-=2;

break;

case

Keys.Down:

point.Y+=2;

break;

caseKeys.Right:

point.X+=2;

break;

caseKeys.Left:

point.X-=2;

break;

caseKeys.Escape:

this.Close();

break;

default:break;

}

this.Location=point;

}

/*

privatevoidForm1_KeyDown(objectsender,KeyEventArgse)

{

if(e.Alt&&e.KeyCode==Keys.F4)//鍵值115

{

e.Handled=true;//不執(zhí)行操作

}

if(e.KeyCode==Keys.F1)

{

MessageBox.Show("王延領(lǐng)按下了f1","提示");

}

}

privatevoidForm1_KeyUp(objectsender,KeyEventArgse)

{

if(e.KeyData==Keys.Escape)//按下esc時

{

if(MessageBox.Show("是否關(guān)閉程序","提示信息",MessageBoxButtons.YesNo)==DialogResult.Yes)

{

Application.Exit();

}

}

}

privatevoidrichTextBox1_KeyDown(objectsender,KeyEventArgse)

{

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;

}

}

privatevoidtextBox1_KeyPress(objectsender,KeyPressEventArgse)

{//釋放后發(fā)生事件

if(e.KeyChar==13)

{

e.Handled=true;//關(guān)閉敲回車鍵嘀的聲音

}

}

///<summary>

///輸入法的打開與關(guān)閉

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

privatevoidbutton1_Click(objectsender,EventArgse)

{

this.textBox1.ImeMode=ImeMode.Off;//關(guān)閉輸入法

}

privatevoidbutton2_Click(objectsender,EventArgse)

{

this.textBox1.ImeMode=ImeMode.On;

}

privatevoidForm1_Load(objectsender,EventArgse)

{

Form1f=newForm1();

f.KeyPreview=true;//接受案件控件

}

/*

[System.Runtime.InteropServices.DllImport("user32",EntryPoint="GetKeyState")]//重寫Api

publicstaticexternintGetKeyState(intintkey);

privatevoidbutton1_Click(objectsender,EventArgse)

{

stringstr="判斷numlockhrcapslock鍵是否鎖定：\n";

intintnumlock=GetKeyState(144);//判斷numlock鍵

if(intnumlock==0)

{

str+="numlock未鎖定\n";

}

else{

str+="numlock已鎖定\n";

}

intintcapslock=GetKeyState(20);

if(intcapslock==0)

{

str+="caplock未鎖定\n";

}

else

{

str+="caplock已鎖定\n";

}

MessageBox.Show(str,"判斷");

}

privatevoidtextBox1_KeyDown_1(objectsender,KeyEventArgse)

{

if(e.KeyValue==13)//如果鍵值為13（回車鍵）

{

SendKeys.Send("{TAB}");//發(fā)送TAB命令

}

}

privatevoidtextBox2_KeyDown(objectsender,KeyEventArgse)

{

if(e.KeyValue==13)

{

SendKeys.Send("{TAB}");

}

}*/

}

}

usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;namespace系統(tǒng)

{

publicpartialclassForm1:Form

{

publicForm1()

{

InitializeComponent();

}

privatevoidForm1_Load(objectsender,EventArgse)

{

label1.Text="當前時間是："+DateTime.Now.ToString();//獲取現(xiàn)在時間

label2.Text="當前系統(tǒng)目錄"+Environment.SystemDirectory;

label3.Text="計算機名稱："+Environment.MachineName;

label4.Text="當前運行目錄："+Environment.CurrentDirectory;

label5.Text="系統(tǒng)版本號："+Environment.OSVersion.VersionString;

textBox1.Text=(Environment.TickCount/1000).ToString()+"秒";//獲取啟動后經(jīng)過的時間

}

privatevoidtimer1_Tick(objectsender,EventArgse)

{

textBox1.Text=(Environment.TickCount/1000).ToString()+"秒";

}

}

}

usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;

usingSystem.Collections;

namespace獲取系統(tǒng)環(huán)境變量

{

publicpartialclassForm1:Form

{

publicForm1()

{

InitializeComponent();

}

privatevoidForm1_Load(objectsender,EventArgse)

{

listView1.View=View.Details;//設(shè)置控件顯示方式

listView1.GridLines=true;//是否顯示網(wǎng)格

listView1.Columns.Add("環(huán)境變量",150,HorizontalAlignment.Left);//添加列標頭

listView1.Columns.Add("變量值",150,HorizontalAlignment.Left);//添加列標頭

ListViewItemmyItem;//創(chuàng)建ListViewItem對象

//獲取系統(tǒng)環(huán)境變量及對應(yīng)的變量值，并顯示在ListView控件中

foreach(DictionaryEntryDEntryinEnvironment.GetEnvironmentVariables())

{

myItem=newListViewItem(DEntry.Key.ToString(),0);//創(chuàng)建ListViewItem對象

myItem.SubItems.Add(DEntry.Value.ToString());//添加子項集合

listView1.Items.Add(myItem);//將子項集合添加到控件中

}

}

}

}

usingSystem;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;namespace獲取所有邏輯分區(qū)

{

publicpartialclassForm1:Form

{

publicForm1()

{

InitializeComponent();

}

privatevoidbutton1_Click(objectsender,EventArgse)

{

listFolders(comboBox1);

}

publicvoidlistFolders(ComboBoxtscb)//獲取本地磁盤目錄

{

string[]logicdrives=System.IO.Directory.GetLogicalDrives();//獲取本地邏輯分區(qū)的數(shù)組

for(inti=0;i<logicdrives.Length;i++)//遍歷數(shù)組

{

tscb.Items.Add(logicdrives[i]);//將數(shù)組中的項目添加到ComboBox控件中

tscb.SelectedIndex=0;//設(shè)置第一項被選中

}

}

privatevoidcomboBox1_SelectedIndexChanged(objectsender,EventArgse)

{

try

{

System.IO.DriveInfo[]drive=System.IO.DriveInfo.GetDrives();//獲取所有磁盤驅(qū)動

for(inti=0;i<drive.Length;i++)//遍歷數(shù)組

{

if(comboBox1.SelectedItem.ToString()==drive[i].Name)//判斷遍歷到的想是否與下拉框中的項相同

{

label1.Text="總空間"+drive[i].TotalSize/1024/1024/1024+"G";

label2.Text="剩余空間"+drive[i].TotalFreeSpace/1024/1024/1024+"G";

label3.Text="已用空間"+(drive[i].TotalSize-drive[i].TotalFreeSpace)/1024/1024/1024+"G";

}

if(comboBox1.SelectedItem.ToString()==drive[i].Name)

{

if(drive[i].IsReady)