GUI Windows Form C#

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace Docking
{
    /// 
    /// Summary description for Docking.
    /// 

    public class Docking : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.GroupBox GroupBox1;
        internal System.Windows.Forms.Button cmdUpdate;
        internal System.Windows.Forms.NumericUpDown udDockPaddingForm;
        internal System.Windows.Forms.NumericUpDown udDockPaddingPanel;
        internal System.Windows.Forms.ComboBox lstDockPanel;
        internal System.Windows.Forms.Label Label3;
        internal System.Windows.Forms.Label Label4;
        internal System.Windows.Forms.ComboBox lstDockTextBox;
        internal System.Windows.Forms.Label Label2;
        internal System.Windows.Forms.Label Label1;
        internal System.Windows.Forms.Panel pnlDock;
        internal System.Windows.Forms.TextBox txtDock;
        /// 
        /// Required designer variable.
        /// 

        private System.ComponentModel.Container components = null;
        public Docking()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// 
        /// Clean up any resources being used.
        /// 

        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }
        #region Windows Form Designer generated code
        /// 
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// 

        private void InitializeComponent()
        {
            this.GroupBox1 = new System.Windows.Forms.GroupBox();
            this.cmdUpdate = new System.Windows.Forms.Button();
            this.udDockPaddingForm = new System.Windows.Forms.NumericUpDown();
            this.udDockPaddingPanel = new System.Windows.Forms.NumericUpDown();
            this.lstDockPanel = new System.Windows.Forms.ComboBox();
            this.Label3 = new System.Windows.Forms.Label();
            this.Label4 = new System.Windows.Forms.Label();
            this.lstDockTextBox = new System.Windows.Forms.ComboBox();
            this.Label2 = new System.Windows.Forms.Label();
            this.Label1 = new System.Windows.Forms.Label();
            this.pnlDock = new System.Windows.Forms.Panel();
            this.txtDock = new System.Windows.Forms.TextBox();
            this.GroupBox1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.udDockPaddingForm)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.udDockPaddingPanel)).BeginInit();
            this.pnlDock.SuspendLayout();
            this.SuspendLayout();
            // 
            // GroupBox1
            // 
            this.GroupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                    this.cmdUpdate,
                                                                                    this.udDockPaddingForm,
                                                                                    this.udDockPaddingPanel,
                                                                                    this.lstDockPanel,
                                                                                    this.Label3,
                                                                                    this.Label4,
                                                                                    this.lstDockTextBox,
                                                                                    this.Label2,
                                                                                    this.Label1});
            this.GroupBox1.Location = new System.Drawing.Point(192, 20);
            this.GroupBox1.Name = "GroupBox1";
            this.GroupBox1.Size = new System.Drawing.Size(284, 224);
            this.GroupBox1.TabIndex = 12;
            this.GroupBox1.TabStop = false;
            this.GroupBox1.Text = "Configure";
            // 
            // cmdUpdate
            // 
            this.cmdUpdate.Location = new System.Drawing.Point(160, 180);
            this.cmdUpdate.Name = "cmdUpdate";
            this.cmdUpdate.Size = new System.Drawing.Size(84, 24);
            this.cmdUpdate.TabIndex = 10;
            this.cmdUpdate.Text = "Update";
            this.cmdUpdate.Click += new System.EventHandler(this.cmdUpdate_Click);
            // 
            // udDockPaddingForm
            // 
            this.udDockPaddingForm.Increment = new System.Decimal(new int[] {
                                                                                5,
                                                                                0,
                                                                                0,
                                                                                0});
            this.udDockPaddingForm.Location = new System.Drawing.Point(160, 32);
            this.udDockPaddingForm.Name = "udDockPaddingForm";
            this.udDockPaddingForm.Size = new System.Drawing.Size(52, 21);
            this.udDockPaddingForm.TabIndex = 4;
            // 
            // udDockPaddingPanel
            // 
            this.udDockPaddingPanel.Increment = new System.Decimal(new int[] {
                                                                                 5,
                                                                                 0,
                                                                                 0,
                                                                                 0});
            this.udDockPaddingPanel.Location = new System.Drawing.Point(160, 56);
            this.udDockPaddingPanel.Name = "udDockPaddingPanel";
            this.udDockPaddingPanel.Size = new System.Drawing.Size(52, 21);
            this.udDockPaddingPanel.TabIndex = 5;
            this.udDockPaddingPanel.Value = new System.Decimal(new int[] {
                                                                             20,
                                                                             0,
                                                                             0,
                                                                             0});
            // 
            // lstDockPanel
            // 
            this.lstDockPanel.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.lstDockPanel.Location = new System.Drawing.Point(156, 100);
            this.lstDockPanel.Name = "lstDockPanel";
            this.lstDockPanel.Size = new System.Drawing.Size(92, 21);
            this.lstDockPanel.TabIndex = 8;
            // 
            // Label3
            // 
            this.Label3.Location = new System.Drawing.Point(16, 104);
            this.Label3.Name = "Label3";
            this.Label3.Size = new System.Drawing.Size(136, 20);
            this.Label3.TabIndex = 6;
            this.Label3.Text = "Dock Panel To:";
            // 
            // Label4
            // 
            this.Label4.Location = new System.Drawing.Point(16, 128);
            this.Label4.Name = "Label4";
            this.Label4.Size = new System.Drawing.Size(136, 20);
            this.Label4.TabIndex = 7;
            this.Label4.Text = "Dock TextBox To:";
            // 
            // lstDockTextBox
            // 
            this.lstDockTextBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.lstDockTextBox.Location = new System.Drawing.Point(156, 124);
            this.lstDockTextBox.Name = "lstDockTextBox";
            this.lstDockTextBox.Size = new System.Drawing.Size(92, 21);
            this.lstDockTextBox.TabIndex = 9;
            // 
            // Label2
            // 
            this.Label2.Location = new System.Drawing.Point(16, 60);
            this.Label2.Name = "Label2";
            this.Label2.Size = new System.Drawing.Size(136, 20);
            this.Label2.TabIndex = 3;
            this.Label2.Text = "Set Panel\'s DockPadding:";
            // 
            // Label1
            // 
            this.Label1.Location = new System.Drawing.Point(16, 36);
            this.Label1.Name = "Label1";
            this.Label1.Size = new System.Drawing.Size(136, 20);
            this.Label1.TabIndex = 2;
            this.Label1.Text = "Set Form\'s DockPadding:";
            // 
            // pnlDock
            // 
            this.pnlDock.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                  this.txtDock});
            this.pnlDock.Dock = System.Windows.Forms.DockStyle.Left;
            this.pnlDock.DockPadding.All = 20;
            this.pnlDock.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.pnlDock.Name = "pnlDock";
            this.pnlDock.Size = new System.Drawing.Size(224, 314);
            this.pnlDock.TabIndex = 11;
            // 
            // txtDock
            // 
            this.txtDock.Dock = System.Windows.Forms.DockStyle.Left;
            this.txtDock.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.txtDock.Location = new System.Drawing.Point(20, 20);
            this.txtDock.Multiline = true;
            this.txtDock.Name = "txtDock";
            this.txtDock.Size = new System.Drawing.Size(108, 274);
            this.txtDock.TabIndex = 0;
            this.txtDock.Text = "I\'m docked to the edge of this Panel.\r\n\r\nThe Panel is docked to the edge of the f" +
                "orm.\r\n\r\nThe Panel\'s DockPadding gives the necessary room to breathe.";
            // 
            // Docking
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(496, 314);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.GroupBox1,
                                                                          this.pnlDock});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Name = "Docking";
            this.Text = "Docking At Work";
            this.Load += new System.EventHandler(this.Docking_Load);
            this.GroupBox1.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.udDockPaddingForm)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.udDockPaddingPanel)).EndInit();
            this.pnlDock.ResumeLayout(false);
            this.ResumeLayout(false);
        }
        #endregion
        /// 
        /// The main entry point for the application.
        /// 

        [STAThread]
        static void Main() 
        {
            Application.Run(new Docking());
        }
        private void Docking_Load(object sender, System.EventArgs e)
        {
            lstDockPanel.Items.AddRange(Enum.GetNames(Dock.GetType()));
            lstDockTextBox.Items.AddRange(Enum.GetNames(Dock.GetType()));
        }
        private void cmdUpdate_Click(object sender, System.EventArgs e)
        {
            this.DockPadding.All = (int)udDockPaddingForm.Value;
            pnlDock.DockPadding.All = (int)udDockPaddingPanel.Value;
            
            // Now we use some rather unusual code to translate the string
            //  in the listbox into an enumeration object that can be used
            //  to set the Dock property.
            // This looks quite strange, but is actually just one more
            //  part of the shared class library.
            
            // First we get the converter that can do the job.
            TypeConverter converter;
            converter = TypeDescriptor.GetConverter(Dock.GetType());
            
            // Then we use it to convert the string.
            pnlDock.Dock = (DockStyle)converter.ConvertFromString(lstDockPanel.Text);
            txtDock.Dock = (DockStyle)converter.ConvertFromString(lstDockTextBox.Text);
        }
    }
}