lj_plc/Controls/Mesnac.Controls.ChemicalWeighing/SwithHostLight.cs

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

namespace Mesnac.Controls.ChemicalWeighing
{
    
    [ToolboxBitmap(typeof(SwithHostLight), "Resources.AlarmLight.bmp")]//新添加的代码
    public partial class SwithHostLight : ChemicalWeighingControl
    {
        private string[] sImages = new string[3];
        private bool _m;
        private bool _t;
        private bool _s;

        public SwithHostLight()
        {
            InitializeComponent();
            _assembly = Assembly.GetExecutingAssembly();
            sImages[0] = "Mesnac.Controls.ChemicalWeighing.Resources.AlarmLightNewGray.png";//
            sImages[1] = "Mesnac.Controls.ChemicalWeighing.Resources.AlarmLightNewGreen.png";//
        }

        /// <summary>
        /// 电机Runing 3种状态
        /// </summary>
        public string MName { get; set; }
        public string TName { get; set; }
        public string SName { get; set; }

        public bool M
        {
            get => _m;
            set
            {
                _m = value;
                R();

            }
        }

        public bool T
        {
            get => _t;
            set
            {
                _t = value;
                R();
            }
        }

        public bool S
        {
            get => _s;
            set
            {
                _s = value;
                R();
            }
        }


        private void Reload()
        {
            if ( _imageStream != null )
            {
                Image img = Image.FromStream( _imageStream);
                pictureBox1.Image = img;
                pictureBox1.Refresh();
            }
        }

        private void ReloadStream()
        {
            int defaultIndex = 0;
            //如果出现报警 就去判断是直还是斜
            if (M && (S || T))
            {
                defaultIndex = 1;
            }
            
            _imageStream = _assembly.GetManifestResourceStream(sImages[defaultIndex]);
        }

        private void R()
        {
            ReloadStream();
            Reload();
        }
    }
}