using System;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Bro.UI.Model.Winform
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{
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public partial class IOIndicatorCtrl : UserControl
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{
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public IOIndicatorCtrl()
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{
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InitializeComponent();
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}
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private bool? isON = null;
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public bool? IsOn
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{
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get => isON;
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set
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{
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bool? temp = isON;
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isON = value;
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if (temp != isON)
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{
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RefreshStatus();
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}
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}
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}
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private void RefreshStatus()
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{
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if (InvokeRequired)
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{
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Invoke(new Action(() => RefreshStatus()));
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}
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else
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{
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plStatus.Invalidate();
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}
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}
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private string desc = "";
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public string Desc
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{
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get => desc;
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set
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{
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desc = value;
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DisplayDesc();
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}
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}
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private void DisplayDesc()
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{
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if (InvokeRequired)
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{
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Invoke(new Action(() => DisplayDesc()));
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}
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else
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{
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lblDesc.Text = Desc;
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}
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}
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readonly PointF[] regionBlink = new PointF[]
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{
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new PointF(5,10),
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new PointF(10,13),
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new PointF(12,7),
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new PointF(10,5)
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};
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public IOIndicatorCtrl(bool _isOn, string _desc)
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{
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InitializeComponent();
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IsOn = _isOn;
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Desc = _desc;
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}
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private void plStatus_Paint(object sender, PaintEventArgs e)
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{
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Panel pl = sender as Panel;
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Graphics g = e.Graphics;
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g.Clear(System.Drawing.SystemColors.Control);
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if (IsOn != null)
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{
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if (IsOn.Value)
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{
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g.FillEllipse(Brushes.LightGreen, pl.ClientRectangle);
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}
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else
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{
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g.FillEllipse(Brushes.Gray, pl.ClientRectangle);
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}
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g.FillPolygon(Brushes.White, regionBlink);
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}
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}
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}
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}
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