form1.cs

C#150例

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

namespace Example123__创建自定义性能计数器
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textBox1;
		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.Diagnostics.PerformanceCounter performanceCounter1;
		/// <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 Form Designer generated code
		/// <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.label1 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			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.performanceCounter1 = new System.Diagnostics.PerformanceCounter();
			((System.ComponentModel.ISupportInitialize)(this.performanceCounter1)).BeginInit();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(96, 24);
			this.label1.TabIndex = 0;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(128, 24);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(104, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// button1
			// 
			this.button1.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.button1.Location = new System.Drawing.Point(0, 142);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(292, 23);
			this.button1.TabIndex = 2;
			this.button1.Text = "设置自定义计数器原始值";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.button2.Location = new System.Drawing.Point(0, 119);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(292, 23);
			this.button2.TabIndex = 3;
			this.button2.Text = "将自定义计数器的值减少1";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// button3
			// 
			this.button3.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.button3.Location = new System.Drawing.Point(0, 96);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(292, 23);
			this.button3.TabIndex = 4;
			this.button3.Text = "将自定义计数器的值增加1";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// button4
			// 
			this.button4.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.button4.Location = new System.Drawing.Point(0, 73);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(292, 23);
			this.button4.TabIndex = 5;
			this.button4.Text = "将自定义计数器增加一个值";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// performanceCounter1
			// 
			this.performanceCounter1.CategoryName = "MyNewCategory";
			this.performanceCounter1.CounterName = "MyNewCounter";
			this.performanceCounter1.MachineName = "NewName";
			this.performanceCounter1.ReadOnly = false;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 165);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.button4,
																		  this.button3,
																		  this.button2,
																		  this.button1,
																		  this.textBox1,
																		  this.label1});
			this.Name = "Form1";
			this.Text = "Form1";
			((System.ComponentModel.ISupportInitialize)(this.performanceCounter1)).EndInit();
			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 button1_Click(object sender, System.EventArgs e)
		{
			performanceCounter1.RawValue = long.Parse(textBox1.Text);
			//设置所创建计数器的原始值
			label1.Text = performanceCounter1.NextValue().ToString();
			//将计数器的值显示在label控件中

		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			performanceCounter1.Decrement();
			//计数器值减少1
			label1.Text = performanceCounter1.NextValue().ToString();
			//将计数器的值显示在label1控件中

		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			performanceCounter1.Increment();
			//计数器值增加1
			label1.Text = performanceCounter1.NextValue().ToString();
			//将计数器的值显示在label1控件中

		}

		private void button4_Click(object sender, System.EventArgs e)
		{
			performanceCounter1.IncrementBy(Convert.ToInt64(textBox1.Text));
			//将计数器值增加textBox1控件指定的值
			label1.Text=performanceCounter1.NextValue().ToString();
			//将计数器的值显示在label1控件中

		}
	}
}