欢迎来到站长教程网!

ASP.NET

当前位置:主页 > 网络编程 > ASP.NET >

带有小计算器的TextBox控件_.NET教程_编程技术

时间:2019-10-10|栏目:ASP.NET|点击:

控件
/*hycapril@sohu.com

需要的添加的控件,  

  private System.Windows.Forms.TextBox textBox1;
  private System.Windows.Forms.Panel panel1;
  private System.Windows.Forms.Button B_1;
  private System.Windows.Forms.Button B_N1;
  private System.Windows.Forms.Button B_N2;
  private System.Windows.Forms.Button B_N3;
  private System.Windows.Forms.Button B_N4;
  private System.Windows.Forms.Button B_N5;
  private System.Windows.Forms.Button B_N6;
  private System.Windows.Forms.Button B_N7;
  private System.Windows.Forms.Button B_N8;
  private System.Windows.Forms.Button B_N9;
  private System.Windows.Forms.Button B_N0;
  private System.Windows.Forms.Button B_ok;
  private System.Windows.Forms.Button B_Cancel;
  private System.Windows.Forms.Button B_J;
  private System.Windows.Forms.Button B_JJ;
  private System.Windows.Forms.Button B_C;
  private System.Windows.Forms.Button B_CC;
  private System.Windows.Forms.Button B_D;
  private System.Windows.Forms.Button B_B;

*/

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;

namespace TextBoxControl
{
 /// <summary>
 /// TextBoxControl 的摘要说明。
 /// 带有小计算器的TextBox控件。
 /// hycapril 2005 04 06制作。
 /// </summary>

 public class TextBoxControl : System.Windows.Forms.UserControl
 {
  private System.Windows.Forms.TextBox textBox1;
  private System.Windows.Forms.Panel panel1;
  private System.Windows.Forms.Button B_1;
  private System.Windows.Forms.Button B_N1;
  private System.Windows.Forms.Button B_N2;
  private System.Windows.Forms.Button B_N3;
  private System.Windows.Forms.Button B_N4;
  private System.Windows.Forms.Button B_N5;
  private System.Windows.Forms.Button B_N6;
  private System.Windows.Forms.Button B_N7;
  private System.Windows.Forms.Button B_N8;
  private System.Windows.Forms.Button B_N9;
  private System.Windows.Forms.Button B_N0;
  private System.Windows.Forms.Button B_ok;
  private System.Windows.Forms.Button B_Cancel;
  private System.Windows.Forms.Button B_J;
  private System.Windows.Forms.Button B_JJ;
  private System.Windows.Forms.Button B_C;
  private System.Windows.Forms.Button B_CC;
  private System.Windows.Forms.Button B_D;
  private System.Windows.Forms.Button B_B;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public TextBoxControl()
  {
   // 该调用是 Windows.Forms 窗体设计器所必需的。
   InitializeComponent();

   // TODO: 在 InitComponent 调用后添加任何初始化

  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if( components != null )
     components.Dispose();
   }
   base.Dispose( disposing );
  }

  #region 组件设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器
  /// 修改此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(TextBoxControl));
   this.textBox1 = new System.Windows.Forms.TextBox();
   this.B_1 = new System.Windows.Forms.Button();
   this.panel1 = new System.Windows.Forms.Panel();
   this.B_B = new System.Windows.Forms.Button();
   this.B_D = new System.Windows.Forms.Button();
   this.B_CC = new System.Windows.Forms.Button();
   this.B_C = new System.Windows.Forms.Button();
   this.B_JJ = new System.Windows.Forms.Button();
   this.B_J = new System.Windows.Forms.Button();
   this.B_Cancel = new System.Windows.Forms.Button();
   this.B_N0 = new System.Windows.Forms.Button();
   this.B_N9 = new System.Windows.Forms.Button();
   this.B_N8 = new System.Windows.Forms.Button();
   this.B_N7 = new System.Windows.Forms.Button();
   this.B_N6 = new System.Windows.Forms.Button();
   this.B_N5 = new System.Windows.Forms.Button();
   this.B_N4 = new System.Windows.Forms.Button();
   this.B_N3 = new System.Windows.Forms.Button();
   this.B_N2 = new System.Windows.Forms.Button();
   this.B_N1 = new System.Windows.Forms.Button();
   this.B_ok = new System.Windows.Forms.Button();
   this.panel1.SuspendLayout();
   this.SuspendLayout();
   //
   // textBox1
   //
   this.textBox1.Location = new System.Drawing.Point(0, 0);
   this.textBox1.Name = "textBox1";
   this.textBox1.Size = new System.Drawing.Size(96, 21);
   this.textBox1.TabIndex = 0;
   this.textBox1.Text = "";
   this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
   //
   // B_1
   //
   this.B_1.BackColor = System.Drawing.SystemColors.ControlLightLight;
   this.B_1.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
   this.B_1.Image = ((System.Drawing.Image)(resources.GetObject("B_1.Image")));
   this.B_1.Location = new System.Drawing.Point(96, 0);
   this.B_1.Name = "B_1";
   this.B_1.Size = new System.Drawing.Size(18, 20);
   this.B_1.TabIndex = 1;
   this.B_1.Click += new System.EventHandler(this.button1_Click);
   //
   // panel1
   //
   this.panel1.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
   this.panel1.Controls.Add(this.B_B);
   this.panel1.Controls.Add(this.B_D);
   this.panel1.Controls.Add(this.B_CC);
   this.panel1.Controls.Add(this.B_C);
   this.panel1.Controls.Add(this.B_JJ);
   this.panel1.Controls.Add(this.B_J);
   this.panel1.Controls.Add(this.B_Cancel);
   this.panel1.Controls.Add(this.B_N0);
   this.panel1.Controls.Add(this.B_N9);
   this.panel1.Controls.Add(this.B_N8);
   this.panel1.Controls.Add(this.B_N7);
   this.panel1.Controls.Add(this.B_N6);
   this.panel1.Controls.Add(this.B_N5);
   this.panel1.Controls.Add(this.B_N4);
   this.panel1.Controls.Add(this.B_N3);
   this.panel1.Controls.Add(this.B_N2);
   this.panel1.Controls.Add(this.B_N1);
   this.panel1.Controls.Add(this.B_ok);
   this.panel1.Location = new System.Drawing.Point(8, 24);
   this.panel1.Name = "panel1";
   this.panel1.Size = new System.Drawing.Size(96, 120);
   this.panel1.TabIndex = 2;
   //
   // B_B
   //
   this.B_B.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_B.Location = new System.Drawing.Point(48, 0);
   this.B_B.Name = "B_B";
   this.B_B.Size = new System.Drawing.Size(48, 20);
   this.B_B.TabIndex = 18;
   this.B_B.Text = "<--";
   this.B_B.Click += new System.EventHandler(this.B_B_Click);
   //
   // B_D
   //
   this.B_D.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_D.Location = new System.Drawing.Point(48, 80);
   this.B_D.Name = "B_D";
   this.B_D.Size = new System.Drawing.Size(24, 20);
   this.B_D.TabIndex = 17;
   this.B_D.Text = ".";
   this.B_D.Click += new System.EventHandler(this.B_D_Click);
   //
   // B_CC
   //
   this.B_CC.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_CC.Location = new System.Drawing.Point(72, 80);
   this.B_CC.Name = "B_CC";
   this.B_CC.Size = new System.Drawing.Size(24, 20);
   this.B_CC.TabIndex = 16;
   this.B_CC.Text = "/";
   this.B_CC.Click += new System.EventHandler(this.B_CC_Click);
   //
   // B_C
   //
   this.B_C.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_C.Location = new System.Drawing.Point(72, 60);
   this.B_C.Name = "B_C";
   this.B_C.Size = new System.Drawing.Size(24, 20);
   this.B_C.TabIndex = 15;
   this.B_C.Text = "*";
   this.B_C.Click += new System.EventHandler(this.B_C_Click);
   //
   // B_JJ
   //
   this.B_JJ.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_JJ.Location = new System.Drawing.Point(72, 40);
   this.B_JJ.Name = "B_JJ";
   this.B_JJ.Size = new System.Drawing.Size(24, 20);
   this.B_JJ.TabIndex = 14;
   this.B_JJ.Text = "-";
   this.B_JJ.Click += new System.EventHandler(this.B_JJ_Click);
   //
   // B_J
   //
   this.B_J.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_J.Location = new System.Drawing.Point(72, 20);
   this.B_J.Name = "B_J";
   this.B_J.Size = new System.Drawing.Size(24, 20);
   this.B_J.TabIndex = 13;
   this.B_J.Text = "+";
   this.B_J.Click += new System.EventHandler(this.B_J_Click);
   //
   // B_Cancel
   //
   this.B_Cancel.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_Cancel.Location = new System.Drawing.Point(0, 0);
   this.B_Cancel.Name = "B_Cancel";
   this.B_Cancel.Size = new System.Drawing.Size(48, 20);
   this.B_Cancel.TabIndex = 11;
   this.B_Cancel.Text = "Clear";
   this.B_Cancel.Click += new System.EventHandler(this.B_Cancel_Click);
   //
   // B_N0
   //
   this.B_N0.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N0.Location = new System.Drawing.Point(0, 80);
   this.B_N0.Name = "B_N0";
   this.B_N0.Size = new System.Drawing.Size(48, 20);
   this.B_N0.TabIndex = 10;
   this.B_N0.Text = "0";
   this.B_N0.Click += new System.EventHandler(this.B_N0_Click);
   //
   // B_N9
   //
   this.B_N9.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N9.Location = new System.Drawing.Point(48, 60);
   this.B_N9.Name = "B_N9";
   this.B_N9.Size = new System.Drawing.Size(24, 20);
   this.B_N9.TabIndex = 9;
   this.B_N9.Text = "9";
   this.B_N9.Click += new System.EventHandler(this.B_N9_Click);
   //
   // B_N8
   //
   this.B_N8.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N8.Location = new System.Drawing.Point(24, 60);
   this.B_N8.Name = "B_N8";
   this.B_N8.Size = new System.Drawing.Size(24, 20);
   this.B_N8.TabIndex = 8;
   this.B_N8.Text = "8";
   this.B_N8.Click += new System.EventHandler(this.B_N8_Click);
   //
   // B_N7
   //
   this.B_N7.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N7.Location = new System.Drawing.Point(0, 60);
   this.B_N7.Name = "B_N7";
   this.B_N7.Size = new System.Drawing.Size(24, 20);
   this.B_N7.TabIndex = 7;
   this.B_N7.Text = "7";
   this.B_N7.Click += new System.EventHandler(this.B_N7_Click);
   //
   // B_N6
   //
   this.B_N6.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N6.Location = new System.Drawing.Point(48, 40);
   this.B_N6.Name = "B_N6";
   this.B_N6.Size = new System.Drawing.Size(24, 20);
   this.B_N6.TabIndex = 6;
   this.B_N6.Text = "6";
   this.B_N6.Click += new System.EventHandler(this.B_N6_Click);
   //
   // B_N5
   //
   this.B_N5.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N5.Location = new System.Drawing.Point(24, 40);
   this.B_N5.Name = "B_N5";
   this.B_N5.Size = new System.Drawing.Size(24, 20);
   this.B_N5.TabIndex = 5;
   this.B_N5.Text = "5";
   this.B_N5.Click += new System.EventHandler(this.B_N5_Click);
   //
   // B_N4
   //
   this.B_N4.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N4.Location = new System.Drawing.Point(0, 40);
   this.B_N4.Name = "B_N4";
   this.B_N4.Size = new System.Drawing.Size(24, 20);
   this.B_N4.TabIndex = 4;
   this.B_N4.Text = "4";
   this.B_N4.Click += new System.EventHandler(this.B_N4_Click);
   //
   // B_N3
   //
   this.B_N3.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N3.Location = new System.Drawing.Point(48, 20);
   this.B_N3.Name = "B_N3";
   this.B_N3.Size = new System.Drawing.Size(24, 20);
   this.B_N3.TabIndex = 3;
   this.B_N3.Text = "3";
   this.B_N3.Click += new System.EventHandler(this.B_N3_Click);
   //
   // B_N2
   //
   this.B_N2.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N2.Location = new System.Drawing.Point(24, 20);
   this.B_N2.Name = "B_N2";
   this.B_N2.Size = new System.Drawing.Size(24, 20);
   this.B_N2.TabIndex = 2;
   this.B_N2.Text = "2";
   this.B_N2.Click += new System.EventHandler(this.B_N2_Click);
   //
   // B_N1
   //
   this.B_N1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_N1.Location = new System.Drawing.Point(0, 20);
   this.B_N1.Name = "B_N1";
   this.B_N1.Size = new System.Drawing.Size(24, 20);
   this.B_N1.TabIndex = 1;
   this.B_N1.Text = "1";
   this.B_N1.Click += new System.EventHandler(this.B_N1_Click);
   //
   // B_ok
   //
   this.B_ok.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.B_ok.Location = new System.Drawing.Point(0, 100);
   this.B_ok.Name = "B_ok";
   this.B_ok.Size = new System.Drawing.Size(96, 20);
   this.B_ok.TabIndex = 0;
   this.B_ok.Text = "(=)OK";
   this.B_ok.Click += new System.EventHandler(this.button2_Click);
   //
   // TextBoxControl
   //
   this.Controls.Add(this.panel1);
   this.Controls.Add(this.B_1);
   this.Controls.Add(this.textBox1);
   this.Name = "TextBoxControl";
   this.Size = new System.Drawing.Size(114, 144);
   this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.TextBoxControl_KeyPress);
   this.Load += new System.EventHandler(this.TextBoxControl_Load);
   this.panel1.ResumeLayout(false);
   this.ResumeLayout(false);

  }
  #endregion

  
  #region 控件的自定义属性 Hyc07Apr 2005

  private string _appVer="1.2";
  [CategoryAttribute("版本信息"),
  DefaultValueAttribute("1.2"),
  DescriptionAttribute("版本信息 Version Information"),
  ReadOnlyAttribute(true),
  BrowsableAttribute(true)]
  public string ControlVer
  {
   get {return this._appVer;}
   set {this._appVer=value;}
  }

  private string _appname="Text Box Control";
  [CategoryAttribute("版本信息"),
  DefaultValueAttribute("Text Box Control"),
  DescriptionAttribute("控件名称 Control Name"),
  ReadOnlyAttribute(true),
  BrowsableAttribute(true)]
  public string ControlName
  {
   get {return this._appname;}
   set {this._appname=value;}
  }


  private string Str="";
  [CategoryAttribute("自定义属性"),DesignerSerializationVisibility(DesignerSerializationVisibility.Visible),DefaultValueAttribute(""),
  ReadOnlyAttribute(false),DescriptionAttribute("Text")] 
  public new string Text
  {
   get {return this.Str;}
   set {this.Str= value;}
  }


  #endregion 


  private static int X;
  private static int Y;
  public static int B_X
  {
   set {X=value;}
   get {return X;}
  }
  public static int B_Y
  {
   set {Y=value;}
   get {return Y;}
  }

  

  private void TextBoxControl_Load(object sender, System.EventArgs e)
  {
   panel1.Visible =false;
   textBox1.Left =0 ;
   textBox1.Width =this.Width -B_1.Width ;
   B_1.Left =textBox1.Left +textBox1.Width ;
   this.Height =20;
  }


  private void button1_Click(object sender, System.EventArgs e)
  {

   Str="";
   textBox1.Text=Str;
   YunSuanFu="00";

   X=B_1.Location .X-panel1.Width ;
   Y=B_1.Location .Y+B_1.Height;
   panel1.Location =new Point (X,Y);
   if(panel1.Visible ==true)
   {
    panel1.Visible =false;
    this.Height  =20;
   }
   else
   {
    panel1.Visible =true;
    this.Height =140;
   }
  }


  #region 小计算器代码

  private void Cacul()//计算函数 2005 04 07
  {
   switch(YunSuanFu)
   {
    case "1":
     if(Str=="")
     {Str="0";}
     v2=double.Parse (Str);
     Result=v1+v2;
     Str=Result.ToString ();
     textBox1.Text =Str;
     break;
    case "2":
     if(Str=="")
     {Str="0";}
     v2=double.Parse (Str);
     Result=v1-v2;
     Str=Result.ToString ();
     textBox1.Text =Str;
     break;
    case "3":
     if(Str=="")
     {Str="0";}
     v2=double.Parse (Str);
     Result=v1*v2;
     Str=Result.ToString ();
     textBox1.Text =Str;
     break;
    case "4":
     if(Str=="")
     {Str="0";}
     v2=double.Parse (Str);
     Result=v1/v2;
     Str=Result.ToString ();
     textBox1.Text =Str;
     break;
    default:
     break;
   }
  }

  private void button2_Click(object sender, System.EventArgs e)//= OK
  {
   Cacul();
   this.Height =20;
   panel1.Visible =false;
  }

  private void B_N8_Click(object sender, System.EventArgs e)
  {
   Str=Str+"8";
   textBox1.Text =Str;
  }

  private void B_N3_Click(object sender, System.EventArgs e)
  {
   Str=Str+"3";
   textBox1.Text =Str;
  }

  private void B_Cancel_Click(object sender, System.EventArgs e)//Clear
  {
   Str="";
   textBox1.Text =Str;
  }

  private void B_B_Click(object sender, System.EventArgs e)//<--
  {
   if(Str!="")
   {
    Str=Str.Substring (0,Str.Length-1);
    textBox1.Text =Str;
   }
  }

  private void B_N1_Click(object sender, System.EventArgs e)
  {
   Str=Str+"1";
   textBox1.Text =Str;
  }

  private void B_N2_Click(object sender, System.EventArgs e)
  {
   Str=Str+"2";
   textBox1.Text =Str;
  }

  private void B_N4_Click(object sender, System.EventArgs e)
  {
   Str=Str+"4";
   textBox1.Text =Str;
  }

  private void B_N5_Click(object sender, System.EventArgs e)
  {
   Str=Str+"5";
   textBox1.Text =Str;
  }

  private void B_N6_Click(object sender, System.EventArgs e)
  {
   Str=Str+"6";
   textBox1.Text =Str;
  }

  private void B_N7_Click(object sender, System.EventArgs e)
  {
   Str=Str+"7";
   textBox1.Text =Str;
  }

  private void B_N9_Click(object sender, System.EventArgs e)
  {
   Str=Str+"9";
   textBox1.Text =Str;
  }

  private void B_N0_Click(object sender, System.EventArgs e)
  {
   Str=Str+"0";
   textBox1.Text =Str;
  }

  private void B_D_Click(object sender, System.EventArgs e)//.
  {
   string flag="0";
   if(Str=="")
   {
    Str=Str+"0.";
    textBox1.Text =Str;
   }
   else
   {
    for(int i=0;i<Str.Length ;i++)
    {
     if(Str.Substring (i,1)==".")
     {
      flag="1";
      break;
     }
    }
    if(flag=="1")
    {
    }
    else
    {
     Str=Str+".";
     textBox1.Text =Str;
    }
   }
  }

  string YunSuanFu;
  double v1;
  double v2;
  double Result;
  private void B_J_Click(object sender, System.EventArgs e)//+
  {
   if(Str=="")
   {Str="0";}
   Cacul();
   DeleteZero();
   v1=double.Parse (Str);
   Str="";
   YunSuanFu="1";
  }

  private void B_JJ_Click(object sender, System.EventArgs e)//-
  {
   if(Str=="")
   {Str="0";}
   Cacul();
   DeleteZero();
   v1=double.Parse (Str);
   Str="";
   YunSuanFu="2";
  }

  private void B_C_Click(object sender, System.EventArgs e)//*
  {
   if(Str=="")
   {Str="0";}
   Cacul();
   DeleteZero();
   v1=double.Parse (Str);
   Str="";
   YunSuanFu="3";
  }

  private void B_CC_Click(object sender, System.EventArgs e)//"/"
  {
   if(Str=="")
   {Str="0";}
   Cacul();
   DeleteZero();
   v1=double.Parse (Str);
   Str="";
   YunSuanFu="4";
  }

  private void DeleteZero()
  {
   for(int i=1;i<Str.Length ;i++)
   {
    if(Str.Substring (0,1)=="0" && Str.Substring (1,1)!=".")
    {
     Str=Str.Substring (1,Str.Length-1 );
     textBox1.Text =Str;
    }
    else
    {
     break;
    }
   }
  }


  #endregion

  private void textBox1_TextChanged(object sender, System.EventArgs e)
  {
   Str=textBox1.Text ;
   DeleteZero();
  }

  private void TextBoxControl_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
  {
  
  }
 }
}



上一篇:Asp.net中服务端控件事件是如何触发的_.NET教程_编程技术

栏    目:ASP.NET

下一篇:为ASP.NET控件加入快捷菜单(1)_.NET教程_编程技术

本文标题:带有小计算器的TextBox控件_.NET教程_编程技术

本文地址:http://www.jh-floor.com/wangluobiancheng/ASP_NET/86962.html

您可能感兴趣的文章

广告投放 | 联系我们 | 版权申明

重要申明:本站所有的文章、图片、评论等,均由网友发表或上传并维护或收集自网络,属个人行为,与本站立场无关。

如果侵犯了您的权利,请与我们联系,我们将在24小时内进行处理、任何非本站因素导致的法律后果,本站均不负任何责任。

联系QQ:888888 | 邮箱:888888#qq.com(#换成@)

Copyright © 2002-2017 青云站长教程网 版权所有 琼ICP备xxxxxxxx号