PLT-SolventIPC/Controls/Mesnac.Controls.Feeding/StraightTube.cs

using System;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Windows.Forms;

namespace Mesnac.Controls.Feeding
{
    /// <summary>
    /// 直管
    /// </summary>
    [ToolboxBitmap( typeof( StraightTube ) , "ICONS.StraightTube.bmp" )]//新添加的代码
    public partial class StraightTube : FeedingControl
    {
        bool bNewPic = false;

        public enum Types
        {
            ptLeftToRight = 0, ptRightToLeft = 1, ptUpToDown = 2, ptDownToUp = 3
        }

        Types _type;
        string[] sImages;
        public StraightTube():base()
        {
            InitializeComponent();

            Init();

            ReloadStream();
        }

        protected override void Init()
        {
            base.Init();
            _imageStream = null;

            sImages = new string[4];
            sImages[0] = "Mesnac.Controls.Feeding.Resources.zg.ZGHBlack1.gif";//dkNull
            sImages[1] = "Mesnac.Controls.Feeding.Resources.zg.ZGHBlack2.gif";//dkNull
            sImages[2] = "Mesnac.Controls.Feeding.Resources.zg.ZGVBlack1.gif";//dkNull
            sImages[3] = "Mesnac.Controls.Feeding.Resources.zg.ZGVBlack2.gif";//dkNull

            _type = Types.ptLeftToRight;
        }

        private void ReloadStream()
        {
            //CloseStream();
            int nIndex = (int)_type;
            _imageStream = _assembly.GetManifestResourceStream(sImages[nIndex]);
        }

        public Types Type
        {
            get
            {
                return _type;
            }
            set
            {
                if (bFirstCreated == true)
                {
                    bFirstCreated = false;
                }
                bool flag = false;
                if (_type != value)
                {
                    flag = true;
                    if (this.DesignMode == true)
                    {
                        bNewPic = true;
                    }
                }

                _type = value;
                if (flag)
                {
                    ReloadStream();
                    this.Refresh();
                }
            }
        }
        protected override void OnPaint(PaintEventArgs e)
        {
            if (_imageStream != null)
            {
                Graphics g = e.Graphics;
                Image img = Image.FromStream(_imageStream);

                if (bNewPic == true)
                {
                    this.Size = img.Size;
                    bNewPic = false;
                }

                g.DrawImage(img, 0, 0, this.Width, this.Height);
            }
        }

        private void StraightTube_Load(object sender, EventArgs e)
        {
            if (bFirstCreated == true && this.DesignMode == true)
            {
                bNewPic = true;
                bFirstCreated = false;
            }

        }

    }
}