form1.cs

Visual C#2005程序设计教程

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

namespace WinAppGreatestCommonDivisor
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button button1;
        private CheckBox chkGreatestCommonDivisor;
        private CheckBox chkLeaseCommonMultiple;
        private Label lblResult;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <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 Windows 窗体设计器生成的代码
		/// <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()
		{
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.textBox2 = new System.Windows.Forms.TextBox();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.button1 = new System.Windows.Forms.Button();
            this.chkGreatestCommonDivisor = new System.Windows.Forms.CheckBox();
            this.chkLeaseCommonMultiple = new System.Windows.Forms.CheckBox();
            this.lblResult = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(144, 24);
            this.textBox1.Name = "textBox1";
            this.textBox1.Size = new System.Drawing.Size(152, 25);
            this.textBox1.TabIndex = 0;
            // 
            // textBox2
            // 
            this.textBox2.Location = new System.Drawing.Point(144, 64);
            this.textBox2.Name = "textBox2";
            this.textBox2.Size = new System.Drawing.Size(152, 25);
            this.textBox2.TabIndex = 1;
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(40, 24);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(100, 23);
            this.label1.TabIndex = 3;
            this.label1.Text = "整数1：";
            this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(40, 64);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(100, 23);
            this.label2.TabIndex = 4;
            this.label2.Text = "整数2：";
            this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(124, 205);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(88, 35);
            this.button1.TabIndex = 6;
            this.button1.Text = "计算";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // chkGreatestCommonDivisor
            // 
            this.chkGreatestCommonDivisor.AutoSize = true;
            this.chkGreatestCommonDivisor.Checked = true;
            this.chkGreatestCommonDivisor.CheckState = System.Windows.Forms.CheckState.Checked;
            this.chkGreatestCommonDivisor.Location = new System.Drawing.Point(55, 168);
            this.chkGreatestCommonDivisor.Name = "chkGreatestCommonDivisor";
            this.chkGreatestCommonDivisor.Size = new System.Drawing.Size(104, 19);
            this.chkGreatestCommonDivisor.TabIndex = 7;
            this.chkGreatestCommonDivisor.Text = "最大公约数";
            this.chkGreatestCommonDivisor.UseVisualStyleBackColor = true;
            // 
            // chkLeaseCommonMultiple
            // 
            this.chkLeaseCommonMultiple.AutoSize = true;
            this.chkLeaseCommonMultiple.Location = new System.Drawing.Point(178, 168);
            this.chkLeaseCommonMultiple.Name = "chkLeaseCommonMultiple";
            this.chkLeaseCommonMultiple.Size = new System.Drawing.Size(104, 19);
            this.chkLeaseCommonMultiple.TabIndex = 8;
            this.chkLeaseCommonMultiple.Text = "最小公倍数";
            this.chkLeaseCommonMultiple.UseVisualStyleBackColor = true;
            // 
            // lblResult
            // 
            this.lblResult.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.lblResult.Location = new System.Drawing.Point(30, 106);
            this.lblResult.Name = "lblResult";
            this.lblResult.Size = new System.Drawing.Size(277, 46);
            this.lblResult.TabIndex = 9;
            // 
            // Form1
            // 
            this.AcceptButton = this.button1;
            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
            this.ClientSize = new System.Drawing.Size(336, 268);
            this.Controls.Add(this.lblResult);
            this.Controls.Add(this.chkLeaseCommonMultiple);
            this.Controls.Add(this.chkGreatestCommonDivisor);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.textBox2);
            this.Controls.Add(this.textBox1);
            this.Name = "Form1";
            this.Text = "求最大公约数最小公倍数";
            this.ResumeLayout(false);
            this.PerformLayout();

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

        //lease common multiple 最小公倍数  greatest common divisor 最大公约数

		public static int GreatestCommonDivisor(int x1,int x2)   // 求最大公约数方法
		{
			int r;
			if(x1<x2)
			{
				r=x1;x1=x2;x2=r;
			}
			r=x1%x2;;
			while(r!=0)
			{
				x1=x2;x2=r;
				r=x1%x2;
			}
			return x2;
		}

        public static int LeaseCommonMultiple(int x1, int x2)
        {
            int temp;
            if(x1>x2){temp=x1;x1=x2;x2=temp;}
            int i = x2;
            while (i % x1 != 0 || i % x2 != 0) i++;
            return i;
        }

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(textBox1.Text==""||textBox2.Text=="")
				return;
			int a=Convert.ToInt32(textBox1.Text);
			int b=Convert.ToInt32(textBox2.Text);
            lblResult.Text = "";
            if (chkGreatestCommonDivisor.Checked)
                lblResult.Text += "两个数的最大公约数为：" + GreatestCommonDivisor(a, b) + "\n";
            if(chkLeaseCommonMultiple.Checked)
                lblResult.Text += "两个数的最小公倍数为：" + LeaseCommonMultiple(a, b) + "\n";
        }
	}
}