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Inter-Process Communication in .NET Using Named Pipes, Part 2

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14 Jun 20044 min read 274.9K   4.2K   132  
This article explores a way of implementing Named Pipes based Inter-Process Communication between .NET applications
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using AppModule.InterProcessComm;
using AppModule.NamedPipes;

namespace Client {
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form {
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox Activity;
		private System.Windows.Forms.Label duration;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1() {
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <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.button1 = new System.Windows.Forms.Button();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.Activity = new System.Windows.Forms.TextBox();
			this.duration = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(200, 48);
			this.button1.Name = "button1";
			this.button1.TabIndex = 0;
			this.button1.Text = "button1";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(8, 16);
			this.textBox1.Multiline = true;
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(184, 56);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// Activity
			// 
			this.Activity.Location = new System.Drawing.Point(8, 80);
			this.Activity.Multiline = true;
			this.Activity.Name = "Activity";
			this.Activity.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.Activity.Size = new System.Drawing.Size(272, 184);
			this.Activity.TabIndex = 2;
			this.Activity.Text = "";
			// 
			// duration
			// 
			this.duration.Location = new System.Drawing.Point(208, 16);
			this.duration.Name = "duration";
			this.duration.Size = new System.Drawing.Size(64, 23);
			this.duration.TabIndex = 3;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 273);
			this.Controls.Add(this.duration);
			this.Controls.Add(this.Activity);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() {
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e) {
			if (textBox1.Text != "") {
				DateTime dt = DateTime.Now;
				// This cycle is used only when you want to run numerous name pipes requests 
				// and measure the performance. In the general case it is not needed.
				for (int i = 0; i < 1; i++) {
					IInterProcessConnection clientConnection = null;
					try {
						clientConnection = new ClientPipeConnection("MyPipe", ".");
						clientConnection.Connect();
						clientConnection.Write(textBox1.Text);
						Activity.AppendText(clientConnection.Read() + Environment.NewLine);
						clientConnection.Close();
					}
					catch (Exception ex) {
						clientConnection.Dispose();
						throw (ex);
					}
				}
				this.duration.Text = DateTime.Now.Subtract(dt).Milliseconds.ToString();
			}
		}
	}
}

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Written By
Web Developer
United Kingdom United Kingdom
Ivan Latunov is a Software Architect with long term commercial experience in the areas of software architecture and engineering, design and development of web and distributed applications and business and technical analysis. Technical blog. Website: ivanweb.com.

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