C# Server Enumerator

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

namespace NetworkManagement.Demo
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class ServerComboBoxForm : System.Windows.Forms.Form
	{
		private NetworkManagement.ServerComboBox serverCombo1;
		private System.Windows.Forms.CheckBox checkBox1;
		private System.Windows.Forms.CheckBox checkBox2;
		private System.Windows.Forms.CheckBox checkBox3;
		private System.Windows.Forms.CheckBox checkBox4;
		private System.Windows.Forms.CheckBox checkBox5;
		private System.Windows.Forms.GroupBox groupBox1;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public ServerComboBoxForm()
		{
			//
			// 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.serverCombo1 = new NetworkManagement.ServerComboBox();
			this.checkBox1 = new System.Windows.Forms.CheckBox();
			this.checkBox2 = new System.Windows.Forms.CheckBox();
			this.checkBox3 = new System.Windows.Forms.CheckBox();
			this.checkBox4 = new System.Windows.Forms.CheckBox();
			this.checkBox5 = new System.Windows.Forms.CheckBox();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.SuspendLayout();
			// 
			// serverCombo1
			// 
			this.serverCombo1.AutoRefresh = false;
			this.serverCombo1.DomainName = null;
			this.serverCombo1.Location = new System.Drawing.Point(8, 16);
			this.serverCombo1.Name = "serverCombo1";
			this.serverCombo1.ServerType = NetworkManagement.ServerType.None;
			this.serverCombo1.Size = new System.Drawing.Size(176, 21);
			this.serverCombo1.TabIndex = 0;
			// 
			// checkBox1
			// 
			this.checkBox1.Location = new System.Drawing.Point(16, 72);
			this.checkBox1.Name = "checkBox1";
			this.checkBox1.TabIndex = 1;
			this.checkBox1.Text = "Workstations";
			this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
			// 
			// checkBox2
			// 
			this.checkBox2.Location = new System.Drawing.Point(16, 96);
			this.checkBox2.Name = "checkBox2";
			this.checkBox2.Size = new System.Drawing.Size(88, 24);
			this.checkBox2.TabIndex = 2;
			this.checkBox2.Text = "SQL Servers";
			this.checkBox2.CheckedChanged += new System.EventHandler(this.checkBox2_CheckedChanged);
			// 
			// checkBox3
			// 
			this.checkBox3.Location = new System.Drawing.Point(136, 72);
			this.checkBox3.Name = "checkBox3";
			this.checkBox3.Size = new System.Drawing.Size(120, 24);
			this.checkBox3.TabIndex = 3;
			this.checkBox3.Text = "Domain Controllers";
			this.checkBox3.CheckedChanged += new System.EventHandler(this.checkBox3_CheckedChanged);
			// 
			// checkBox4
			// 
			this.checkBox4.Location = new System.Drawing.Point(136, 96);
			this.checkBox4.Name = "checkBox4";
			this.checkBox4.Size = new System.Drawing.Size(120, 24);
			this.checkBox4.TabIndex = 4;
			this.checkBox4.Text = "Terminal Servers";
			this.checkBox4.CheckedChanged += new System.EventHandler(this.checkBox4_CheckedChanged);
			// 
			// checkBox5
			// 
			this.checkBox5.Location = new System.Drawing.Point(192, 16);
			this.checkBox5.Name = "checkBox5";
			this.checkBox5.Size = new System.Drawing.Size(72, 24);
			this.checkBox5.TabIndex = 5;
			this.checkBox5.Text = "Domains";
			this.checkBox5.CheckedChanged += new System.EventHandler(this.checkBox5_CheckedChanged);
			// 
			// groupBox1
			// 
			this.groupBox1.Location = new System.Drawing.Point(8, 48);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(256, 80);
			this.groupBox1.TabIndex = 6;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "Server Type";
			// 
			// ServerComboBoxForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(272, 133);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.checkBox5,
																		  this.checkBox4,
																		  this.checkBox3,
																		  this.checkBox2,
																		  this.checkBox1,
																		  this.serverCombo1,
																		  this.groupBox1});
			this.Name = "ServerComboBoxForm";
			this.Text = "Server List Test";
			this.ResumeLayout(false);

		}
		#endregion

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


		private void checkBox1_CheckedChanged(object sender, System.EventArgs e)
		{
			checkBox5.Checked = false;
			SetMask( checkBox1.Checked, NetworkManagement.ServerType.Workstation);
		}

		private void checkBox2_CheckedChanged(object sender, System.EventArgs e)
		{
			checkBox5.Checked = false;
			SetMask( checkBox2.Checked, NetworkManagement.ServerType.SQLServer);
		}

		private void checkBox3_CheckedChanged(object sender, System.EventArgs e)
		{
			checkBox5.Checked = false;
			SetMask( checkBox3.Checked, NetworkManagement.ServerType.DomainController);
		}

		private void checkBox4_CheckedChanged(object sender, System.EventArgs e)
		{
			checkBox5.Checked = false;
			SetMask( checkBox4.Checked, NetworkManagement.ServerType.TerminalServer );
		}

		private void checkBox5_CheckedChanged(object sender, System.EventArgs e)
		{
			if ( checkBox5.Checked )
				checkBox1.Checked = checkBox2.Checked = checkBox3.Checked = checkBox4.Checked = false;

			SetMask( checkBox5.Checked, NetworkManagement.ServerType.DomainEnum );
		}

		private void SetMask( bool setFlag, NetworkManagement.ServerType flag )
		{
			if ( setFlag )
				serverCombo1.ServerType |= flag;
			else
				serverCombo1.ServerType &= ~flag;
			
			serverCombo1.Refresh();	// requery the combobox
		}
	}
}