Gradient [Panel], [Costume Control]

#region Copyright & Contact
// Creator : Yassine Abbani
// Pastebin : https://pastebin.com/u/Yassine_Abbani
// Facebook:  https://wwww.facebook.com/yassineabbani.user
#endregion
#region Import
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
#endregion
#region Gradient Panel
public class Ce_Gradient_Panel : System.Windows.Forms.Panel
    {

        #region Installing
        #region Add Panel Information
        private Color color1 = Color.SteelBlue;
        private Color color2 = Color.DarkBlue;
        private int color1Transparent = 150;
        private int color2Transparent = 150;
        private int angle = 90;
        #endregion
        #region Draw

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            Color c1 = Color.FromArgb(color1Transparent, color1);
            Color c2 = Color.FromArgb(color2Transparent, color2);
            Brush b = new System.Drawing.Drawing2D.LinearGradientBrush(ClientRectangle, c1, c2, angle);
            //fill rectangle with panel size
            e.Graphics.FillRectangle(b, ClientRectangle);
            b.Dispose();
        }
        #endregion
        #region Ce_Gradient_Panel Return
        public Ce_Gradient_Panel()
        {
        }
        #endregion
        #endregion
        #region Properties
        //Create   Properties

        #region  Top Color
        public Color GradientTopColor       {
            get { return color1; }
            set { color1 = value; Invalidate(); }
        }
        #endregion
        #region Transparent On Top
        public int GradientTopTransparent
        {
            get { return color1Transparent; }
            set
            {
                color1Transparent = value;
                if (color1Transparent > 255)
                {
                    color1Transparent = 255;
                    Invalidate();
                }
                else
                    Invalidate();
            }
        }
        #endregion

        #region Buttom Color
        public Color GradientBottomColor
        {
            get { return color2; }
            set { color2 = value; Invalidate(); }
        }
        #endregion
        #region Transparent On Buttom
        public int GradientBottomTransparent
        {
            get { return color2Transparent; }
            set
            {
                color2Transparent = value;
                if (color2Transparent > 255)
                {
                    color2Transparent = 255;
                    Invalidate();
                }
                else
                    Invalidate();
            }
        }
        #endregion

        #region Gradient Angle
        public int GradientAngle
        {
            get { return angle; }
            set { angle = value; Invalidate(); }
        }
#endregion
        #endregion

    }
#endregion