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Two-way Remoting with Callbacks and Events, Explained

, 19 Jul 2006
A demonstration of how separate applications on different machines are able to effectively communicate with one another.
Prize winner in Competition "C# Mar 2006"
twowayremotingclient_src.zip
RemotingClient
RemotingClient
bin
Properties
Settings.settings
ServerClient.dll
twowayremotingserver_src.zip
RemotingServer
RemotingServer
bin
Properties
Settings.settings
ServerClient.dll
ServerClient
bin
Properties
twowayremoting_src.zip
namespace RemotingServerClient
{
    partial class fServer
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (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.btnSend = new System.Windows.Forms.Button();
            this.txtFromClient = new System.Windows.Forms.TextBox();
            this.txtToClient = new System.Windows.Forms.TextBox();
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.groupBox2 = new System.Windows.Forms.GroupBox();
            this.groupBox3 = new System.Windows.Forms.GroupBox();
            this.cboUsers = new System.Windows.Forms.ComboBox();
            this.chkAll = new System.Windows.Forms.CheckBox();
            this.label1 = new System.Windows.Forms.Label();
            this.groupBox1.SuspendLayout();
            this.groupBox2.SuspendLayout();
            this.groupBox3.SuspendLayout();
            this.SuspendLayout();
            // 
            // btnSend
            // 
            this.btnSend.Location = new System.Drawing.Point(298, 124);
            this.btnSend.Name = "btnSend";
            this.btnSend.Size = new System.Drawing.Size(155, 23);
            this.btnSend.TabIndex = 0;
            this.btnSend.Text = "Send";
            this.btnSend.UseVisualStyleBackColor = true;
            this.btnSend.Click += new System.EventHandler(this.btnSend_Click);
            // 
            // txtFromClient
            // 
            this.txtFromClient.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.txtFromClient.BackColor = System.Drawing.Color.Linen;
            this.txtFromClient.Location = new System.Drawing.Point(6, 19);
            this.txtFromClient.Multiline = true;
            this.txtFromClient.Name = "txtFromClient";
            this.txtFromClient.Size = new System.Drawing.Size(429, 106);
            this.txtFromClient.TabIndex = 2;
            // 
            // txtToClient
            // 
            this.txtToClient.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.txtToClient.Location = new System.Drawing.Point(6, 14);
            this.txtToClient.Multiline = true;
            this.txtToClient.Name = "txtToClient";
            this.txtToClient.Size = new System.Drawing.Size(268, 121);
            this.txtToClient.TabIndex = 4;
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.Add(this.txtFromClient);
            this.groupBox1.Location = new System.Drawing.Point(12, 159);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(441, 131);
            this.groupBox1.TabIndex = 7;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Messages from Clients";
            // 
            // groupBox2
            // 
            this.groupBox2.Controls.Add(this.txtToClient);
            this.groupBox2.Location = new System.Drawing.Point(12, 12);
            this.groupBox2.Name = "groupBox2";
            this.groupBox2.Size = new System.Drawing.Size(280, 141);
            this.groupBox2.TabIndex = 8;
            this.groupBox2.TabStop = false;
            this.groupBox2.Text = "Message to Client";
            // 
            // groupBox3
            // 
            this.groupBox3.Controls.Add(this.cboUsers);
            this.groupBox3.Controls.Add(this.chkAll);
            this.groupBox3.Controls.Add(this.label1);
            this.groupBox3.Location = new System.Drawing.Point(298, 12);
            this.groupBox3.Name = "groupBox3";
            this.groupBox3.Size = new System.Drawing.Size(155, 94);
            this.groupBox3.TabIndex = 9;
            this.groupBox3.TabStop = false;
            this.groupBox3.Text = "Specify user to send to";
            // 
            // cboUsers
            // 
            this.cboUsers.FormattingEnabled = true;
            this.cboUsers.Location = new System.Drawing.Point(42, 30);
            this.cboUsers.Name = "cboUsers";
            this.cboUsers.Size = new System.Drawing.Size(107, 21);
            this.cboUsers.TabIndex = 9;
            // 
            // chkAll
            // 
            this.chkAll.AutoSize = true;
            this.chkAll.Location = new System.Drawing.Point(41, 69);
            this.chkAll.Name = "chkAll";
            this.chkAll.Size = new System.Drawing.Size(76, 17);
            this.chkAll.TabIndex = 8;
            this.chkAll.Text = "Send to all";
            this.chkAll.UseVisualStyleBackColor = true;
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(6, 33);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(29, 13);
            this.label1.TabIndex = 7;
            this.label1.Text = "User";
            // 
            // fServer
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(468, 303);
            this.Controls.Add(this.groupBox3);
            this.Controls.Add(this.btnSend);
            this.Controls.Add(this.groupBox2);
            this.Controls.Add(this.groupBox1);
            this.Name = "fServer";
            this.Text = "Server";
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.fServer_FormClosing);
            this.groupBox1.ResumeLayout(false);
            this.groupBox1.PerformLayout();
            this.groupBox2.ResumeLayout(false);
            this.groupBox2.PerformLayout();
            this.groupBox3.ResumeLayout(false);
            this.groupBox3.PerformLayout();
            this.ResumeLayout(false);

        }

        #endregion

        private System.Windows.Forms.Button btnSend;
        private System.Windows.Forms.TextBox txtFromClient;
        private System.Windows.Forms.TextBox txtToClient;
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.GroupBox groupBox2;
        private System.Windows.Forms.GroupBox groupBox3;
        private System.Windows.Forms.CheckBox chkAll;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.ComboBox cboUsers;
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

marcel heeremans
Software Developer (Senior)
United Kingdom United Kingdom
In the early days I started developing using MS Access version 1 through all versions of VB followed now by .NET. Things are getting better!
 
I studied International Marketing but found the IT sector much more challenging. So straight from uni I took on some IT contract work in London in a buoyant market and never looked back.
 
If you wish to contact me then please do so on heeremans.marcel@googlemail.com

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