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 例7_3单复选框
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		int x=1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.RadioButton radioButton4;
		private System.Windows.Forms.RadioButton radioButton3;
		private System.Windows.Forms.RadioButton radioButton2;
		private System.Windows.Forms.RadioButton radioButton1;
		private System.Windows.Forms.CheckBox checkBox1;
		/// <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.button1 = new System.Windows.Forms.Button();
			this.label1 = new System.Windows.Forms.Label();
			this.radioButton4 = new System.Windows.Forms.RadioButton();
			this.radioButton3 = new System.Windows.Forms.RadioButton();
			this.radioButton2 = new System.Windows.Forms.RadioButton();
			this.radioButton1 = new System.Windows.Forms.RadioButton();
			this.checkBox1 = new System.Windows.Forms.CheckBox();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(160, 224);
			this.button1.Name = "button1";
			this.button1.TabIndex = 11;
			this.button1.Text = "显示";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(134, 30);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(136, 176);
			this.label1.TabIndex = 10;
			// 
			// radioButton4
			// 
			this.radioButton4.Location = new System.Drawing.Point(22, 142);
			this.radioButton4.Name = "radioButton4";
			this.radioButton4.TabIndex = 9;
			this.radioButton4.Text = "显示7的倍数";
			this.radioButton4.CheckedChanged += new System.EventHandler(this.radioButton4_CheckedChanged);
			// 
			// radioButton3
			// 
			this.radioButton3.Location = new System.Drawing.Point(22, 110);
			this.radioButton3.Name = "radioButton3";
			this.radioButton3.TabIndex = 8;
			this.radioButton3.Text = "显示5的倍数";
			this.radioButton3.CheckedChanged += new System.EventHandler(this.radioButton3_CheckedChanged);
			// 
			// radioButton2
			// 
			this.radioButton2.Location = new System.Drawing.Point(22, 78);
			this.radioButton2.Name = "radioButton2";
			this.radioButton2.TabIndex = 7;
			this.radioButton2.Text = "显示3的倍数";
			this.radioButton2.CheckedChanged += new System.EventHandler(this.radioButton2_CheckedChanged);
			// 
			// radioButton1
			// 
			this.radioButton1.Checked = true;
			this.radioButton1.Location = new System.Drawing.Point(22, 46);
			this.radioButton1.Name = "radioButton1";
			this.radioButton1.TabIndex = 6;
			this.radioButton1.TabStop = true;
			this.radioButton1.Text = "显示全部数据";
			this.radioButton1.CheckedChanged += new System.EventHandler(this.radioButton1_CheckedChanged);
			// 
			// checkBox1
			// 
			this.checkBox1.Checked = true;
			this.checkBox1.CheckState = System.Windows.Forms.CheckState.Checked;
			this.checkBox1.Location = new System.Drawing.Point(16, 222);
			this.checkBox1.Name = "checkBox1";
			this.checkBox1.TabIndex = 12;
			this.checkBox1.Text = "过滤数据";
			this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.Add(this.checkBox1);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.radioButton4);
			this.Controls.Add(this.radioButton3);
			this.Controls.Add(this.radioButton2);
			this.Controls.Add(this.radioButton1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

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

		private void checkBox1_CheckedChanged(object sender, System.EventArgs e)
		{
			if(checkBox1.Checked)
				radioButton2.Enabled=radioButton3.Enabled
					=radioButton4.Enabled=true;
			else
				radioButton2.Enabled=radioButton3.Enabled
					=radioButton4.Enabled=false;
		}

		private void radioButton1_CheckedChanged(object sender, System.EventArgs e)
		{
			if(radioButton1.Checked)
				x=1;
		}

		private void radioButton2_CheckedChanged(object sender, System.EventArgs e)
		{
			if(radioButton2.Checked)
				x=2;
		}

		private void radioButton3_CheckedChanged(object sender, System.EventArgs e)
		{
			if(radioButton3.Checked)
				x=3;
		}

		private void radioButton4_CheckedChanged(object sender, System.EventArgs e)
		{
			if(radioButton4.Checked)
				x=4;
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			int [ ]intA=new int[50];
			for(int i=0;i<intA.Length;i++)
				intA[i]=i+1;
			switch(x)
			{
				case 1:
				{
					label1.Text="";
					foreach(int each in intA)
						label1.Text=label1.Text+each+"   ";
					break;
				}
				case 2:
				{
					label1.Text="";
					foreach(int each in intA)
						if(each%3==0)
							label1.Text=label1.Text+each+"   ";
					break;
				}
				case 3:
				{
					label1.Text="";
					foreach(int each in intA)
						if(each%5==0)
							label1.Text=label1.Text+each+"   ";
					break;
				}
				case 4:
				{
					label1.Text="";
					foreach(int each in intA)
						if(each%7==0)
							label1.Text=label1.Text+each+"   ";
					break;
				}
			}

		}

	}
}