using System;
using System.Drawing;
using System.Windows.Forms;

namespace UI.Framework.Controls
{
    public enum CheckStyle
    {
        style1 = 0,
        style2 = 1,
        style3 = 2,
        style4 = 3,
        style5 = 4,
        style6 = 5
    };

    public partial class ButtonCheck : UserControl
    {
        public ButtonCheck()
        {
            try
            {
                InitializeComponent();

                //设置Style支持透明背景色并且双缓冲
                this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
                this.SetStyle(ControlStyles.DoubleBuffer, true);
                this.SetStyle(ControlStyles.ResizeRedraw, true);
                this.SetStyle(ControlStyles.Selectable, true);
                this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
                this.SetStyle(ControlStyles.UserPaint, true);
                this.BackColor = Color.Transparent;

                this.Cursor = Cursors.Hand;
                this.Size = new Size(87, 27);
            }
            catch (Exception)
            { }
        }

        bool isCheck = false;

        /// <summary>
        /// 是否选中
        /// </summary>
        public bool Checked
        {
            set { isCheck = value; this.Invalidate(); }
            get { return isCheck; }
        }

        CheckStyle checkStyle = CheckStyle.style1;

        /// <summary>
        /// 样式
        /// </summary>
        public CheckStyle CheckStyleX
        {
            set { checkStyle = value; this.Invalidate(); }
            get { return checkStyle; }
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            Bitmap bitMapOn = null;
            Bitmap bitMapOff = null;
            Graphics g = null;

            try
            {
                if (checkStyle == CheckStyle.style1)
                {
                    bitMapOn = Properties.Resources.btncheckon1;
                    bitMapOff = Properties.Resources.btncheckoff1;
                }
                else if (checkStyle == CheckStyle.style2)
                {
                    bitMapOn = Properties.Resources.btncheckon2;
                    bitMapOff = Properties.Resources.btncheckoff2;
                }
                else if (checkStyle == CheckStyle.style3)
                {
                    bitMapOn = Properties.Resources.btncheckon3;
                    bitMapOff = Properties.Resources.btncheckoff3;
                }
                else if (checkStyle == CheckStyle.style4)
                {
                    bitMapOn = Properties.Resources.btncheckon4;
                    bitMapOff = Properties.Resources.btncheckoff4;
                }
                else if (checkStyle == CheckStyle.style5)
                {
                    bitMapOn = Properties.Resources.btncheckon5;
                    bitMapOff = Properties.Resources.btncheckoff5;
                }
                else if (checkStyle == CheckStyle.style6)
                {
                    bitMapOn = Properties.Resources.btncheckon6;
                    bitMapOff = Properties.Resources.btncheckoff6;
                }

                g = e.Graphics;
                Rectangle rec = new Rectangle(0, 0, this.Size.Width, this.Size.Height);                
                g.DrawImage(isCheck ? bitMapOn : bitMapOff, rec);
            }
            catch (Exception)
            { }
            finally
            {
                if (bitMapOn != null)
                    bitMapOn.Dispose();
                if (bitMapOff != null)
                    bitMapOff.Dispose();
            }
        }

        private void myButtonCheck_Click(object sender, EventArgs e)
        {
            try
            {
                isCheck = !isCheck;
                this.Invalidate();
            }
            catch (Exception)
            { }
        }

    }
}