C#中window窗体和控件

C#中window窗体和控件

布局与事件–界面的基本问题
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布局

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就是拉动窗体的时候，按钮也在跟着变动。
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事件

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//简单的计算器
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
namespace wincalc
{////// Summary description for calcForm.///public class calcForm : System.Windows.Forms.Form{private System.Windows.Forms.Button button1;private System.Windows.Forms.Button button2;private System.Windows.Forms.Button button3;private System.Windows.Forms.Button button4;private System.Windows.Forms.Button button5;private System.Windows.Forms.Button button6;private System.Windows.Forms.Button button7;private System.Windows.Forms.Button button8;private System.Windows.Forms.Button button9;private System.Windows.Forms.Button button10;private System.Windows.Forms.Button bClr;private System.Windows.Forms.Button bDot;private System.Windows.Forms.Button bPlus;private System.Windows.Forms.Button bSub;private System.Windows.Forms.Button bMul;private System.Windows.Forms.Button bDiv;private System.Windows.Forms.Button bEqu;private System.Windows.Forms.TextBox txtCalc;//以下是要添加的代码//定义变量Double dblAcc;Double dblSec;bool blnClear,blnFrstOpen;String strOper;//以上是添加的代码////// Required designer variable.///private System.ComponentModel.Container components = null;public calcForm(){//// Required for Windows Form Designer support//InitializeComponent();//// TODO: Add any constructor code after InitializeComponent call////以下是要添加的代码//初始化设量dblAcc=0;dblSec=0;blnFrstOpen=true;blnClear=true;strOper=new string('=',1);//以上是添加的代码}////// Clean up any resources being used.///protected override void Dispose( bool disposing ){if( disposing ){if(components != null){components.Dispose();}}base.Dispose( disposing );}#region Windows Form Designer generated code////// Required method for Designer support - do not modify/// the contents of this method with the code editor.///private void InitializeComponent(){this.bPlus = new System.Windows.Forms.Button();this.bMul = new System.Windows.Forms.Button();this.bDot = new System.Windows.Forms.Button();this.txtCalc = new System.Windows.Forms.TextBox();this.bClr = new System.Windows.Forms.Button();this.bDiv = new System.Windows.Forms.Button();this.bSub = new System.Windows.Forms.Button();this.button8 = new System.Windows.Forms.Button();this.button9 = new System.Windows.Forms.Button();this.bEqu = new System.Windows.Forms.Button();this.button10 = new System.Windows.Forms.Button();this.button4 = new System.Windows.Forms.Button();this.button5 = new System.Windows.Forms.Button();this.button6 = new System.Windows.Forms.Button();this.button7 = new System.Windows.Forms.Button();this.button1 = new System.Windows.Forms.Button();this.button2 = new System.Windows.Forms.Button();this.button3 = new System.Windows.Forms.Button();this.SuspendLayout();//// bPlus//this.bPlus.BackColor = System.Drawing.SystemColors.Control;this.bPlus.ForeColor = System.Drawing.SystemColors.ControlText;this.bPlus.Location = new System.Drawing.Point(208, 112);this.bPlus.Name = "bPlus";this.bPlus.Size = new System.Drawing.Size(32, 80);this.bPlus.TabIndex = 1;this.bPlus.Text = "+";//以下是要添加的代码bPlus.Click += new System.EventHandler(this.btn_Oper);//以上是添加的代码//// bMul//this.bMul.Location = new System.Drawing.Point(160, 112);this.bMul.Name = "bMul";this.bMul.Size = new System.Drawing.Size(32, 32);this.bMul.TabIndex = 1;this.bMul.Text = "*";//以下是要添加的代码bMul.Click += new System.EventHandler(this.btn_Oper);//以上是添加的代码//// bDot//this.bDot.ForeColor = System.Drawing.Color.Black;this.bDot.Location = new System.Drawing.Point(112, 208);this.bDot.Name = "bDot";this.bDot.Size = new System.Drawing.Size(32, 32);this.bDot.TabIndex = 0;this.bDot.Text = ".";//以下是要添加的代码bDot.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// txtCalc//this.txtCalc.Location = new System.Drawing.Point(16, 24);this.txtCalc.Name = "txtCalc";this.txtCalc.ReadOnly = true;this.txtCalc.RightToLeft = System.Windows.Forms.RightToLeft.Yes;this.txtCalc.Size = new System.Drawing.Size(224, 21);this.txtCalc.TabIndex = 2;this.txtCalc.Text = "";//// bClr//this.bClr.BackColor = System.Drawing.SystemColors.Control;this.bClr.ForeColor = System.Drawing.SystemColors.ControlText;this.bClr.Location = new System.Drawing.Point(208, 64);this.bClr.Name = "bClr";this.bClr.Size = new System.Drawing.Size(32, 32);this.bClr.TabIndex = 0;this.bClr.Text = "AC";//以下是要添加的代码bClr.Click += new System.EventHandler(this.btn_clr);//以上是添加的代码//// bDiv//this.bDiv.Location = new System.Drawing.Point(160, 160);this.bDiv.Name = "bDiv";this.bDiv.Size = new System.Drawing.Size(32, 32);this.bDiv.TabIndex = 1;this.bDiv.Text = "/";//以下是要添加的代码bDiv.Click += new System.EventHandler(this.btn_Oper);//以上是添加的代码//// bSub//this.bSub.Location = new System.Drawing.Point(160, 64);this.bSub.Name = "bSub";this.bSub.Size = new System.Drawing.Size(32, 32);this.bSub.TabIndex = 1;this.bSub.Text = "-";//以下是要添加的代码bSub.Click += new System.EventHandler(this.btn_Oper);//以上是添加的代码//// button8//this.button8.Location = new System.Drawing.Point(16, 64);this.button8.Name = "button8";this.button8.Size = new System.Drawing.Size(32, 32);this.button8.TabIndex = 0;this.button8.Text = "7";//以下是要添加的代码button8.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button9//this.button9.Location = new System.Drawing.Point(64, 64);this.button9.Name = "button9";this.button9.Size = new System.Drawing.Size(32, 32);this.button9.TabIndex = 0;this.button9.Text = "8";//以下是要添加的代码button9.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// bEqu//this.bEqu.BackColor = System.Drawing.SystemColors.Control;this.bEqu.ForeColor = System.Drawing.SystemColors.ControlText;this.bEqu.Location = new System.Drawing.Point(160, 208);this.bEqu.Name = "bEqu";this.bEqu.Size = new System.Drawing.Size(80, 32);this.bEqu.TabIndex = 1;this.bEqu.Text = "=";//以下是要添加的代码bEqu.Click += new System.EventHandler(this.btn_equ);//以上是添加的代码//// button10//this.button10.Location = new System.Drawing.Point(112, 64);this.button10.Name = "button10";this.button10.Size = new System.Drawing.Size(32, 32);this.button10.TabIndex = 0;this.button10.Text = "9";//以下是要添加的代码button10.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button4//this.button4.Location = new System.Drawing.Point(112, 160);this.button4.Name = "button4";this.button4.Size = new System.Drawing.Size(32, 32);this.button4.TabIndex = 0;this.button4.Text = "3";//以下是要添加的代码button4.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button5//this.button5.Location = new System.Drawing.Point(16, 112);this.button5.Name = "button5";this.button5.Size = new System.Drawing.Size(32, 32);this.button5.TabIndex = 0;this.button5.Text = "4";//以下是要添加的代码button5.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button6//this.button6.Location = new System.Drawing.Point(64, 112);this.button6.Name = "button6";this.button6.Size = new System.Drawing.Size(32, 32);this.button6.TabIndex = 0;this.button6.Text = "5";//以下是要添加的代码button6.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button7//this.button7.Location = new System.Drawing.Point(112, 112);this.button7.Name = "button7";this.button7.Size = new System.Drawing.Size(32, 32);this.button7.TabIndex = 0;this.button7.Text = "6";//以下是要添加的代码button7.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button1//this.button1.BackColor = System.Drawing.SystemColors.Control;this.button1.ForeColor = System.Drawing.Color.Black;this.button1.Location = new System.Drawing.Point(16, 208);this.button1.Name = "button1";this.button1.Size = new System.Drawing.Size(80, 32);this.button1.TabIndex = 0;this.button1.Text = "0";//以下是要添加的代码button1.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button2//this.button2.Location = new System.Drawing.Point(16, 160);this.button2.Name = "button2";this.button2.Size = new System.Drawing.Size(32, 32);this.button2.TabIndex = 0;this.button2.Text = "1";//以下是要添加的代码button2.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// button3//this.button3.Location = new System.Drawing.Point(64, 160);this.button3.Name = "button3";this.button3.Size = new System.Drawing.Size(32, 32);this.button3.TabIndex = 0;this.button3.Text = "2";//以下是要添加的代码button3.Click += new System.EventHandler(this.btn_clk);//以上是添加的代码//// calcForm//this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);this.ClientSize = new System.Drawing.Size(256, 261);this.Controls.AddRange(new System.Windows.Forms.Control[] {this.txtCalc,this.bEqu,this.bDiv,this.bMul,this.bSub,this.bPlus,this.bDot,this.bClr,this.button10,this.button9,this.button8,this.button7,this.button6,this.button5,this.button4,this.button3,this.button2,this.button1});this.Name = "calcForm";this.Text = "计算器";this.ResumeLayout(false);}#endregion//以下是要添加的代码//小数点的操作private void btn_clk(object obj,EventArgs ea){if(blnClear)txtCalc.Text="";Button b3=(Button)obj;txtCalc.Text+=b3.Text;if(txtCalc.Text==".")txtCalc.Text="0.";dblSec=Convert.ToDouble(txtCalc.Text);blnClear=false;}//程序开始点private static void Main(){Application.Run(new calcForm());}private void btn_Oper(object obj,EventArgs ea){Button tmp=(Button)obj;strOper=tmp.Text;if(blnFrstOpen)dblAcc=dblSec;elsecalc();blnFrstOpen=false;blnClear=true;}//等号运算private void btn_equ(object obj,EventArgs ea){calc();}//所有运算操作private void calc(){switch(strOper){case "+":dblAcc+=dblSec; //加号运算break;case "-":dblAcc-=dblSec; //减号运算break;case "*":dblAcc*=dblSec; //乘号运算break;case "/":dblAcc/=dblSec; //除号运算break;}strOper="="; //等号运算blnFrstOpen=true;txtCalc.Text=Convert.ToString(dblAcc);//将运算结果转换成字符类型,并输出dblSec=dblAcc;//将运算数A的值放入运算数B中,以便后面运算}//清除按钮private void btn_clr(object obj,EventArgs ea){clear();}//清除按钮的操作private void clear(){dblAcc=0;dblSec=0;blnFrstOpen=true;txtCalc.Text="";txtCalc.Focus();//设置焦点为txtCalc}//以上是添加的代码}
}

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