EasyProgressBarPacket

using System;
using System.Drawing;
using System.ComponentModel;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using System.Runtime.InteropServices;

namespace EasyProgressBarPacket
{
    [ToolboxItem(false)]
    public partial class DropDownProgress : UserControl
    {
        #region API

        #region Symbolic Constants

        private const int WM_PAINT = 0x000F;
        private const int WM_NCPAINT = 0x0085;
        private const int WM_ERASEBKGND = 0x0014;

        #endregion

        #region UnmanagedMethods

        [DllImport("user32", CharSet = CharSet.Auto)]
        internal static extern IntPtr GetDC(
            IntPtr hwnd);

        [DllImport("user32", CharSet = CharSet.Auto)]
        internal static extern int ReleaseDC(
            IntPtr hwnd,
            IntPtr hdc);

        #endregion

        #endregion

        #region Instance Members

        private IWindowsFormsEditorService editorService = null;
        private ColorizerProgress colorizer = null;

        #endregion

        #region Constructor

        public DropDownProgress()
        {
            InitializeComponent();
        }

        public DropDownProgress(object value, IWindowsFormsEditorService editorService)
            : this()
        {
            this.editorService = editorService;
            if (value is ColorizerProgress)
            {
                this.colorizer = value as ColorizerProgress;
            }
        }

        #endregion

        #region Destructor

        ~DropDownProgress()
        {
            GC.SuppressFinalize(this);
        }

        #endregion

        #region Property

        public ColorizerProgress Colorizer
        {
            get
            {
                return colorizer = new ColorizerProgress((byte)redTrackBar.Value, (byte)greenTrackBar.Value,
                    (byte)blueTrackBar.Value, (byte)alphaTrackBar.Value, colorizer.IsColorizerEnabled, colorizer.IsTransparencyEnabled);
            }
        }

        #endregion

        #region Override Methods

        /// <summary>
        /// Uygulamaya gelecek windows mesajları burda işlenir.
        /// </summary>
        /// <param name="m">Windows mesaj parametresi</param>
        protected override void WndProc(ref Message m)
        {
            // Kendi process işlemlerini yapsın.
            base.WndProc(ref m);
            // Daha sonra bizim metodumuzuda çağırsın.
            DrawBorder(ref m, this.Width, this.Height);
        }

        #endregion

        #region Helper Methods

        /// <summary>
        /// Kontrolümüz için kenarlık çiziyoruz.
        /// </summary>
        /// <param name="message">Kontrolümüzün Win32 mesaj işleme komutu</param>
        /// <param name="width">Kontrolümüzün genişlik değeri</param>
        /// <param name="height">Kontrolümüzün yükseklik değeri</param>
        private void DrawBorder(ref Message message, int width, int height)
        {
            if (message.Msg == WM_NCPAINT || message.Msg == WM_ERASEBKGND ||
                message.Msg == WM_PAINT)
            {
                IntPtr hdc = GetDC(message.HWnd);

                if (hdc != IntPtr.Zero)
                {
                    Graphics graphics = Graphics.FromHdc(hdc);
                    Rectangle rectangle = new Rectangle(0, 0, width, height);
                    ControlPaint.DrawBorder(graphics, rectangle, SystemColors.ActiveBorder, this.Padding.Left, ButtonBorderStyle.Solid, SystemColors.ActiveBorder, this.Padding.Top, ButtonBorderStyle.Solid, SystemColors.ActiveBorder, this.Padding.Right, ButtonBorderStyle.Solid, SystemColors.ActiveBorder, this.Padding.Bottom, ButtonBorderStyle.Solid);

                    // Grafik nesnesinden kurtul.
                    ReleaseDC(message.HWnd, hdc);
                }
            }
        }

        #endregion

        #region Event Handlers

        private void DropDownProgress_Load(object sender, EventArgs e)
        {
            redTrackBar.Value = colorizer.Red;
            greenTrackBar.Value = colorizer.Green;
            blueTrackBar.Value = colorizer.Blue;
            alphaTrackBar.Value = colorizer.Alpha;
        }

        private void closeDialogBtn_Click(object sender, EventArgs e)
        {
            editorService.CloseDropDown();
        }

        private void TRACKBAR_VALUE_CHANGED(object sender, EventArgs e)
        {
            if (sender is TrackBar)
            {
                string result = null;
                TrackBar ctrl = (TrackBar)sender;
                if (ctrl.Value == 0)
                    result = "Min";
                else if (ctrl.Value == 255)
                    result = "Max";

                switch (ctrl.Name)
                {
                    case "redTrackBar":
                        label1.Text = String.Format("Red: {0}", result ?? ctrl.Value.ToString());
                        break;
                    case "greenTrackBar":
                        label2.Text = String.Format("Green: {0}", result ?? ctrl.Value.ToString());
                        break;
                    case "blueTrackBar":
                        label3.Text = String.Format("Blue: {0}", result ?? ctrl.Value.ToString());
                        break;
                    default:
                        label4.Text = String.Format("Alpha: {0}", result ?? ctrl.Value.ToString());
                        break;
                }
            }
        }

        #endregion
    }

    partial class DropDownProgress
    {
        /// <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)
            {
                if (components != null)
                    components.Dispose();

                foreach (System.Windows.Forms.Control control in Controls)
                    control.Dispose();
            }

            base.Dispose(disposing);
        }

        #region Component 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.redTrackBar = new System.Windows.Forms.TrackBar();
            this.greenTrackBar = new System.Windows.Forms.TrackBar();
            this.blueTrackBar = new System.Windows.Forms.TrackBar();
            this.alphaTrackBar = new System.Windows.Forms.TrackBar();
            this.closeDialogBtn = new System.Windows.Forms.Button();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.label3 = new System.Windows.Forms.Label();
            this.label4 = new System.Windows.Forms.Label();
            ((System.ComponentModel.ISupportInitialize)(this.redTrackBar)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.greenTrackBar)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.blueTrackBar)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.alphaTrackBar)).BeginInit();
            this.SuspendLayout();
            // 
            // redTrackBar
            // 
            this.redTrackBar.Location = new System.Drawing.Point(29, 27);
            this.redTrackBar.Maximum = 255;
            this.redTrackBar.Name = "redTrackBar";
            this.redTrackBar.Size = new System.Drawing.Size(288, 45);
            this.redTrackBar.TabIndex = 1;
            this.redTrackBar.TickFrequency = 15;
            this.redTrackBar.TickStyle = System.Windows.Forms.TickStyle.TopLeft;
            this.redTrackBar.ValueChanged += new System.EventHandler(this.TRACKBAR_VALUE_CHANGED);
            // 
            // greenTrackBar
            // 
            this.greenTrackBar.Location = new System.Drawing.Point(29, 78);
            this.greenTrackBar.Maximum = 255;
            this.greenTrackBar.Name = "greenTrackBar";
            this.greenTrackBar.Size = new System.Drawing.Size(288, 45);
            this.greenTrackBar.TabIndex = 2;
            this.greenTrackBar.TickFrequency = 15;
            this.greenTrackBar.TickStyle = System.Windows.Forms.TickStyle.TopLeft;
            this.greenTrackBar.ValueChanged += new System.EventHandler(this.TRACKBAR_VALUE_CHANGED);
            // 
            // blueTrackBar
            // 
            this.blueTrackBar.Location = new System.Drawing.Point(29, 129);
            this.blueTrackBar.Maximum = 255;
            this.blueTrackBar.Name = "blueTrackBar";
            this.blueTrackBar.Size = new System.Drawing.Size(288, 45);
            this.blueTrackBar.TabIndex = 3;
            this.blueTrackBar.TickFrequency = 15;
            this.blueTrackBar.TickStyle = System.Windows.Forms.TickStyle.TopLeft;
            this.blueTrackBar.ValueChanged += new System.EventHandler(this.TRACKBAR_VALUE_CHANGED);
            // 
            // alphaTrackBar
            // 
            this.alphaTrackBar.Location = new System.Drawing.Point(29, 180);
            this.alphaTrackBar.Maximum = 255;
            this.alphaTrackBar.Minimum = 50;
            this.alphaTrackBar.Name = "alphaTrackBar";
            this.alphaTrackBar.Size = new System.Drawing.Size(288, 45);
            this.alphaTrackBar.TabIndex = 4;
            this.alphaTrackBar.TickFrequency = 15;
            this.alphaTrackBar.TickStyle = System.Windows.Forms.TickStyle.TopLeft;
            this.alphaTrackBar.Value = 50;
            this.alphaTrackBar.ValueChanged += new System.EventHandler(this.TRACKBAR_VALUE_CHANGED);
            // 
            // closeDialogBtn
            // 
            this.closeDialogBtn.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162)));
            this.closeDialogBtn.Location = new System.Drawing.Point(121, 230);
            this.closeDialogBtn.Name = "closeDialogBtn";
            this.closeDialogBtn.Size = new System.Drawing.Size(105, 23);
            this.closeDialogBtn.TabIndex = 8;
            this.closeDialogBtn.Text = "Close Dialog";
            this.closeDialogBtn.UseVisualStyleBackColor = true;
            this.closeDialogBtn.Click += new System.EventHandler(this.closeDialogBtn_Click);
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.ForeColor = System.Drawing.Color.Red;
            this.label1.Location = new System.Drawing.Point(32, 11);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(30, 13);
            this.label1.TabIndex = 9;
            this.label1.Text = "Red:";
            // 
            // label2
            // 
            this.label2.AutoSize = true;
            this.label2.ForeColor = System.Drawing.Color.Green;
            this.label2.Location = new System.Drawing.Point(32, 62);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(40, 13);
            this.label2.TabIndex = 10;
            this.label2.Text = "Green:";
            // 
            // label3
            // 
            this.label3.AutoSize = true;
            this.label3.ForeColor = System.Drawing.Color.Blue;
            this.label3.Location = new System.Drawing.Point(32, 113);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(31, 13);
            this.label3.TabIndex = 11;
            this.label3.Text = "Blue:";
            // 
            // label4
            // 
            this.label4.AutoSize = true;
            this.label4.ForeColor = System.Drawing.Color.Black;
            this.label4.Location = new System.Drawing.Point(32, 164);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(38, 13);
            this.label4.TabIndex = 12;
            this.label4.Text = "Alpha:";
            // 
            // DropDownProgress
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.Controls.Add(this.label4);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.closeDialogBtn);
            this.Controls.Add(this.alphaTrackBar);
            this.Controls.Add(this.blueTrackBar);
            this.Controls.Add(this.greenTrackBar);
            this.Controls.Add(this.redTrackBar);
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162)));
            this.Name = "DropDownProgress";
            this.Padding = new System.Windows.Forms.Padding(4);
            this.Size = new System.Drawing.Size(347, 261);
            this.Load += new System.EventHandler(this.DropDownProgress_Load);
            ((System.ComponentModel.ISupportInitialize)(this.redTrackBar)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.greenTrackBar)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.blueTrackBar)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.alphaTrackBar)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.TrackBar redTrackBar;
        private System.Windows.Forms.TrackBar greenTrackBar;
        private System.Windows.Forms.TrackBar blueTrackBar;
        private System.Windows.Forms.TrackBar alphaTrackBar;
        private System.Windows.Forms.Button closeDialogBtn;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Label label4;
    }
}