form3.cs

写字板源代码都在要的自己可以下下来看自己看了就知道了

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

namespace WindowsApplication1
{
	/// <summary>
	/// Form3 的摘要说明。
	/// </summary>
	public class Form3 : 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.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form3()
		{
			//
			// 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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form3));
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button3 = 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.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.BackColor = System.Drawing.Color.Violet;
			this.button1.ForeColor = System.Drawing.Color.Black;
			this.button1.Location = new System.Drawing.Point(24, 32);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(104, 32);
			this.button1.TabIndex = 0;
			this.button1.Text = "圆的半径值为";
			// 
			// button2
			// 
			this.button2.BackColor = System.Drawing.Color.Yellow;
			this.button2.Location = new System.Drawing.Point(24, 96);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(104, 32);
			this.button2.TabIndex = 1;
			this.button2.Text = "圆的面积";
			// 
			// button3
			// 
			this.button3.BackColor = System.Drawing.Color.Aqua;
			this.button3.Location = new System.Drawing.Point(24, 152);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(104, 32);
			this.button3.TabIndex = 2;
			this.button3.Text = "球的体积";
			// 
			// button4
			// 
			this.button4.BackColor = System.Drawing.Color.MistyRose;
			this.button4.Font = new System.Drawing.Font("楷体_GB2312", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button4.Location = new System.Drawing.Point(32, 208);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(56, 40);
			this.button4.TabIndex = 3;
			this.button4.Text = "计算";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// button5
			// 
			this.button5.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(192)));
			this.button5.Font = new System.Drawing.Font("楷体_GB2312", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button5.Location = new System.Drawing.Point(128, 208);
			this.button5.Name = "button5";
			this.button5.Size = new System.Drawing.Size(56, 40);
			this.button5.TabIndex = 4;
			this.button5.Text = "清除";
			this.button5.Click += new System.EventHandler(this.button5_Click);
			// 
			// button6
			// 
			this.button6.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(128)));
			this.button6.Font = new System.Drawing.Font("楷体_GB2312", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button6.Location = new System.Drawing.Point(224, 208);
			this.button6.Name = "button6";
			this.button6.Size = new System.Drawing.Size(56, 40);
			this.button6.TabIndex = 5;
			this.button6.Text = "退出";
			this.button6.Click += new System.EventHandler(this.button6_Click);
			// 
			// textBox1
			// 
			this.textBox1.BackColor = System.Drawing.Color.White;
			this.textBox1.Location = new System.Drawing.Point(160, 40);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(104, 21);
			this.textBox1.TabIndex = 6;
			this.textBox1.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(160, 96);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(104, 21);
			this.textBox2.TabIndex = 7;
			this.textBox2.Text = "";
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(160, 152);
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(104, 21);
			this.textBox3.TabIndex = 8;
			this.textBox3.Text = "";
			// 
			// Form3
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(292, 270);
			this.Controls.Add(this.textBox3);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.button6);
			this.Controls.Add(this.button5);
			this.Controls.Add(this.button4);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Name = "Form3";
			this.Text = "Form3";
			this.Load += new System.EventHandler(this.Form3_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void button4_Click(object sender, System.EventArgs e)
		{
			const double PI=3.1415926;
			double R,S,V;
			Console.Write("圆的半径值为:");
			R=double.Parse(textBox1.Text);
			S=PI*R*R;
			V=4*PI*R*R*R/3;
			textBox2.Text=S.ToString();
			textBox3.Text=V.ToString();
		}

		private void button5_Click(object sender, System.EventArgs e)
		{
			textBox1.Text="";
			textBox2.Text="";
			textBox3.Text="";
			
		}

		private void button6_Click(object sender, System.EventArgs e)
		{
			this. Close();
		}

		private void Form3_Load(object sender, System.EventArgs e)
		{
		
		}

		
	}
}