numberpickerinput.cs

应用于C#中的参照功能

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

namespace WATestPGB
{
	/// <summary>
	/// This represents the input form for the NumberPicker control. Using
	/// the class allows to better specify the values and do calculations at
	/// the same time
	/// </summary>
	public class NumberPickerInput : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button buttonBackspace;
		private System.Windows.Forms.Button buttonClear;
		private System.Windows.Forms.Button buttonDecimalSeparator;
		private System.Windows.Forms.Button button0;
		private System.Windows.Forms.Button buttonPlusMinus;
		private System.Windows.Forms.Button buttonPlus;
		private System.Windows.Forms.Button buttonMinus;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button buttonTimes;
		private System.Windows.Forms.Button button6;
		private System.Windows.Forms.Button button5;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.Button buttonDivide;
		private System.Windows.Forms.Button button9;
		private System.Windows.Forms.Button button8;
		private System.Windows.Forms.Button button7;
		private System.Windows.Forms.Button buttonEquals;

		/// <summary>
		/// A delegate for an arithmetic function taking two double arguments
		/// </summary>
		private delegate double Function(double a, double b);

		/// <summary>
		/// Specifies whether the field should be cleared or not 
		/// </summary>
		private bool clear;

		/// <summary>
		/// A temporary value to be remembered when calculating the arithmetic functions 
		/// </summary>
		private double temporary;

		/// <summary>
		/// A pointer to the actual textbox used for updating
		/// </summary>
		private System.Windows.Forms.TextBox result;

		/// <summary>
		/// A function pointer holding the last function which has been pressed in the calculator window
		/// </summary>
		private Function f;
		
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;


		/// <summary>
		/// The default constructor for the input form to be used in the
		/// NumberPicker control
		/// </summary>
		public NumberPickerInput(System.Windows.Forms.TextBox result)
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			this.buttonDecimalSeparator.Text = System.Globalization.NumberFormatInfo.CurrentInfo.NumberDecimalSeparator;

			this.result = result;
			this.temporary = 0;
			this.clear = false;
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            this.buttonBackspace = new System.Windows.Forms.Button();
            this.buttonClear = new System.Windows.Forms.Button();
            this.button0 = new System.Windows.Forms.Button();
            this.buttonDecimalSeparator = new System.Windows.Forms.Button();
            this.buttonPlusMinus = new System.Windows.Forms.Button();
            this.buttonPlus = new System.Windows.Forms.Button();
            this.buttonMinus = new System.Windows.Forms.Button();
            this.button3 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.button1 = new System.Windows.Forms.Button();
            this.buttonTimes = new System.Windows.Forms.Button();
            this.button6 = new System.Windows.Forms.Button();
            this.button5 = new System.Windows.Forms.Button();
            this.button4 = new System.Windows.Forms.Button();
            this.buttonDivide = new System.Windows.Forms.Button();
            this.button9 = new System.Windows.Forms.Button();
            this.button8 = new System.Windows.Forms.Button();
            this.button7 = new System.Windows.Forms.Button();
            this.buttonEquals = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // buttonBackspace
            // 
            this.buttonBackspace.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonBackspace.Location = new System.Drawing.Point(29, 103);
            this.buttonBackspace.Name = "buttonBackspace";
            this.buttonBackspace.Size = new System.Drawing.Size(38, 25);
            this.buttonBackspace.TabIndex = 56;
            this.buttonBackspace.Text = "<-";
            this.buttonBackspace.Click += new System.EventHandler(this.buttonBackspace_Click);
            // 
            // buttonClear
            // 
            this.buttonClear.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonClear.Location = new System.Drawing.Point(0, 103);
            this.buttonClear.Name = "buttonClear";
            this.buttonClear.Size = new System.Drawing.Size(28, 25);
            this.buttonClear.TabIndex = 55;
            this.buttonClear.Text = "C";
            this.buttonClear.Click += new System.EventHandler(this.buttonClear_Click);
            // 
            // button0
            // 
            this.button0.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button0.Location = new System.Drawing.Point(0, 78);
            this.button0.Name = "button0";
            this.button0.Size = new System.Drawing.Size(28, 24);
            this.button0.TabIndex = 54;
            this.button0.Text = "0";
            this.button0.Click += new System.EventHandler(this.button0_Click);
            // 
            // buttonDecimalSeparator
            // 
            this.buttonDecimalSeparator.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonDecimalSeparator.Location = new System.Drawing.Point(29, 78);
            this.buttonDecimalSeparator.Name = "buttonDecimalSeparator";
            this.buttonDecimalSeparator.Size = new System.Drawing.Size(27, 24);
            this.buttonDecimalSeparator.TabIndex = 53;
            this.buttonDecimalSeparator.Click += new System.EventHandler(this.buttonDecimalSeparator_Click);
            // 
            // buttonPlusMinus
            // 
            this.buttonPlusMinus.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonPlusMinus.Location = new System.Drawing.Point(58, 78);
            this.buttonPlusMinus.Name = "buttonPlusMinus";
            this.buttonPlusMinus.Size = new System.Drawing.Size(27, 24);
            this.buttonPlusMinus.TabIndex = 52;
            this.buttonPlusMinus.Text = "+-";
            this.buttonPlusMinus.Click += new System.EventHandler(this.buttonPlusMinus_Click);
            // 
            // buttonPlus
            // 
            this.buttonPlus.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonPlus.Location = new System.Drawing.Point(86, 78);
            this.buttonPlus.Name = "buttonPlus";
            this.buttonPlus.Size = new System.Drawing.Size(28, 24);
            this.buttonPlus.TabIndex = 51;
            this.buttonPlus.Text = "+";
            this.buttonPlus.Click += new System.EventHandler(this.buttonPlus_Click);
            // 
            // buttonMinus
            // 
            this.buttonMinus.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonMinus.Location = new System.Drawing.Point(86, 52);
            this.buttonMinus.Name = "buttonMinus";
            this.buttonMinus.Size = new System.Drawing.Size(28, 24);
            this.buttonMinus.TabIndex = 50;
            this.buttonMinus.Text = "-";
            this.buttonMinus.Click += new System.EventHandler(this.buttonMinus_Click);
            // 
            // button3
            // 
            this.button3.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button3.Location = new System.Drawing.Point(58, 52);
            this.button3.Name = "button3";
            this.button3.Size = new System.Drawing.Size(27, 24);
            this.button3.TabIndex = 49;
            this.button3.Text = "3";
            this.button3.Click += new System.EventHandler(this.button3_Click);
            // 
            // button2
            // 
            this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button2.Location = new System.Drawing.Point(29, 52);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(27, 24);
            this.button2.TabIndex = 48;
            this.button2.Text = "2";
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // button1
            // 
            this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button1.Location = new System.Drawing.Point(0, 52);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(28, 24);
            this.button1.TabIndex = 47;
            this.button1.Text = "1";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // buttonTimes
            // 
            this.buttonTimes.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonTimes.Location = new System.Drawing.Point(86, 26);
            this.buttonTimes.Name = "buttonTimes";
            this.buttonTimes.Size = new System.Drawing.Size(28, 25);
            this.buttonTimes.TabIndex = 46;
            this.buttonTimes.Text = "*";
            this.buttonTimes.Click += new System.EventHandler(this.buttonTimes_Click);
            // 
            // button6
            // 
            this.button6.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button6.Location = new System.Drawing.Point(58, 26);
            this.button6.Name = "button6";
            this.button6.Size = new System.Drawing.Size(27, 25);
            this.button6.TabIndex = 45;
            this.button6.Text = "6";
            this.button6.Click += new System.EventHandler(this.button6_Click);
            // 
            // button5
            // 
            this.button5.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button5.Location = new System.Drawing.Point(29, 26);
            this.button5.Name = "button5";
            this.button5.Size = new System.Drawing.Size(27, 25);
            this.button5.TabIndex = 44;
            this.button5.Text = "5";
            this.button5.Click += new System.EventHandler(this.button5_Click);
            // 
            // button4
            // 
            this.button4.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button4.Location = new System.Drawing.Point(0, 26);
            this.button4.Name = "button4";
            this.button4.Size = new System.Drawing.Size(28, 25);
            this.button4.TabIndex = 43;
            this.button4.Text = "4";
            this.button4.Click += new System.EventHandler(this.button4_Click);
            // 
            // buttonDivide
            // 
            this.buttonDivide.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.buttonDivide.Location = new System.Drawing.Point(86, 0);
            this.buttonDivide.Name = "buttonDivide";
            this.buttonDivide.Size = new System.Drawing.Size(28, 25);
            this.buttonDivide.TabIndex = 42;
            this.buttonDivide.Text = "/";
            this.buttonDivide.Click += new System.EventHandler(this.buttonDivide_Click);
            // 
            // button9
            // 
            this.button9.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button9.Location = new System.Drawing.Point(58, 0);
            this.button9.Name = "button9";
            this.button9.Size = new System.Drawing.Size(27, 25);
            this.button9.TabIndex = 41;
            this.button9.Text = "9";
            this.button9.Click += new System.EventHandler(this.button9_Click);
            // 
            // button8
            // 
            this.button8.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button8.Location = new System.Drawing.Point(29, 0);
            this.button8.Name = "button8";
            this.button8.Size = new System.Drawing.Size(27, 25);
            this.button8.TabIndex = 40;
            this.button8.Text = "8";
            this.button8.Click += new System.EventHandler(this.button8_Click);
            // 
            // button7
            // 
            this.button7.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button7.Location = new System.Drawing.Point(0, 0);
            this.button7.Name = "button7";