mirror of https://github.com/ArduPilot/ardupilot
324 lines
12 KiB
C#
324 lines
12 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace ArducopterConfigurator.Views.controls
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{
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/// <summary>
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/// </summary>
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[ToolboxBitmap(typeof(System.Windows.Forms.ProgressBar))]
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public partial class CirularIndicatorControl : UserControl
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{
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public static readonly Color PreBarBaseDark = Color.FromArgb(199, 200, 201);
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public static readonly Color PreBarBaseLight = Color.WhiteSmoke;
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public static readonly Color PreBarLight = Color.FromArgb(102, 144, 252);
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public static readonly Color PreBarDark = Color.FromArgb(40, 68, 202);
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public static readonly Color PreBorderColor = Color.DarkGray;
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private Color _barBgLightColour = PreBarBaseLight;
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private Color _barBgDarkColor = PreBarBaseDark;
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private Color _barLightColour = PreBarLight;
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private Color _barDarkColour = PreBarDark;
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private Color _borderColor = PreBorderColor;
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private float _borderWidth = 1.0F;
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private int _min = 0;
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private int _max = 100;
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private int _val = 50;
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private int _offset = 0;
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private bool _isVertical = false;
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private bool _isReveresed;
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public CirularIndicatorControl()
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{
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SetStyle(ControlStyles.OptimizedDoubleBuffer |
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ControlStyles.AllPaintingInWmPaint |
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ControlStyles.UserPaint |
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ControlStyles.ResizeRedraw, true);
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InitializeComponent();
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Width = 50;
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Height = 50;
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}
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/// <summary>
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/// Raises the <see cref="E:System.Windows.Forms.Control.Paint"></see> event.
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/// </summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs"></see> that contains the event data.</param>
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protected override void OnPaint(PaintEventArgs e)
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{
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var g = e.Graphics;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.Clear(BackColor);
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var bmp = GenerateBitmap(Width, Height, BackColor);
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g.DrawImage(bmp, 0, 0);
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}
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// Generate the bar image on graphics g
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// g is the graphics of the whole control
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private void GenerateCircle(Graphics g, float x, float y, float width, float height, bool isVertical, float fraction)
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{
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var outerRect = new RectangleF(x, y, width, height);
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// Fill the background of the whole control
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using (var bg = new SolidBrush(Color.Transparent))
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g.FillRectangle(bg,outerRect);
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// Fill the background of the circle
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var circleRect = outerRect;
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circleRect.Inflate((_borderWidth/-2),(_borderWidth/-2));
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using (var white = new LinearGradientBrush(outerRect, _barBgLightColour, _barBgDarkColor, isVertical ? 0 : 90.0F, false))
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g.FillEllipse(white, circleRect);
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// We need to figure out how big the bar should be, where it starts and ends
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// This is so we can set the clip properly
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// note that what we clip is actually what is NOT the bar
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var clipSize = isVertical
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? circleRect.Height - circleRect.Height * fraction
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: circleRect.Width - circleRect.Width * fraction;
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// The location of this clip rectangle is normally on the right for a left - to - right bar
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// and on the top for a bottom - to - top bar. However if the _isReversed is set, then we need to
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// adjust the location to the 'other side'
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var clipBegin = isVertical
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? _isReveresed // vertical
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? circleRect.Top + circleRect.Height - clipSize
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: circleRect.Top
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: _isReveresed // horizontal
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? circleRect.Left
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: circleRect.Left + circleRect.Width - clipSize;
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var clipRectangle = new RectangleF(
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isVertical ? circleRect.Left : clipBegin,
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isVertical ? clipBegin : circleRect.Top,
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isVertical ? circleRect.Width : clipSize,
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isVertical ? clipSize : circleRect.Height);
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// We also need to work out the angle for the gradient brush, so that the griadient goes in the
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// right 'direction'
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var angle = !isVertical
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? _isReveresed ? 0F : 180F
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: _isReveresed ? 270F : 90.0F;
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using (var bg = new LinearGradientBrush(circleRect, _barLightColour, _barDarkColour, angle, false))
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{
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// g.FillPie(bg, circleRect.Left, circleRect.Top, circleRect.Width, circleRect.Height, 270, fraction*360)
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g.SetClip(clipRectangle, CombineMode.Exclude);
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g.FillEllipse(bg, circleRect.Left, circleRect.Top, circleRect.Width, circleRect.Height);
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g.ResetClip();
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}
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using (var borderPen = new Pen(_borderColor, _borderWidth))
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{
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g.DrawEllipse(borderPen, circleRect);
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}
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// Now do the progress bar that represents the value
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// var barSize = (float)Math.Abs(_val - _offset) / (_max - _min) * (isVertical ? height : width);
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// var barStart = (float)(Math.Min(_offset, _val) - _min) / (_max - _min) * (isVertical ? height : width);
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//
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//
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// if (barSize > 0.10F)
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// {
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// rect = isVertical
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// ? new RectangleF(x, y + height - ( barStart + barSize), width, barSize)
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// : new RectangleF(x + barStart, y, barSize, height);
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//
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// using (var bg = new LinearGradientBrush(rect, _barLightColour, _barDarkColour, isVertical ? 0 : 90.0F, false))
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// g.FillRectangle(bg, rect);
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//
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// using (Pen p = new Pen(_borderColor, _borderWidth))
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// {
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// p.Alignment = PenAlignment.Inset;
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// p.LineJoin = LineJoin.Round;
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// g.DrawLine(p, width, y, width, height);
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// }
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// }
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//
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//
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// // Now the line that represents the Offset/Origin
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// DrawLine(width, height, isVertical, g, _offset,_borderColor);
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//
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// // Border around the whole thing
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// using (Pen p = new Pen(_borderColor, _borderWidth * 2))
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// {
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// p.Alignment = PenAlignment.Outset;
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// p.LineJoin = LineJoin.Round;
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// g.DrawRectangle(p, x, y, width, height);
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// }
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}
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private Bitmap GenerateBitmap(int width, int height,Color bgColor)
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{
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var theImage = new Bitmap(width, height);
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using (var g = Graphics.FromImage(theImage))
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{
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.Clear(bgColor);
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using (var bmp = new Bitmap(width, height))
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{
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using (var g1 = Graphics.FromImage(bmp))
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{
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var fraction = ((float)(Value - Min))/(Max - Min);
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GenerateCircle(g1, 0.0F, 0.0F, width, height, _isVertical, fraction);
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}
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g.DrawImage(bmp, 0, 0);
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}
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}
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return theImage;
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}
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/// <summary>
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/// Gets or sets the width of the border.
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/// </summary>
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/// <value>The width of the border.</value>
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[System.ComponentModel.Description("Gets or sets the with of the borders")]
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[System.ComponentModel.DefaultValue(1.0f)]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public float BarBorderWidth
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{
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get { return _borderWidth; }
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set { _borderWidth = value; Refresh(); }
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}
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/// <summary>
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/// Gets or sets the bar background light.
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/// </summary>
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/// <value>The bar background light.</value>
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[System.ComponentModel.Description("Gets or sets the lighter background color")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public Color BarBackgroundLight
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{
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get { return _barBgLightColour; }
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set { _barBgLightColour = value; Refresh(); }
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}
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/// <summary>
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/// Gets or sets the bar background dark.
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/// </summary>
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/// <value>The bar background dark.</value>
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[System.ComponentModel.Description("Gets or sets the darker background color")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public Color BarBackgroundDark
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{
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get { return _barBgDarkColor; }
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set { _barBgDarkColor = value; Refresh(); }
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}
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/// <summary>
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/// Gets or sets the bar light.
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/// </summary>
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/// <value>The bar light.</value>
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[System.ComponentModel.Description("Gets or sets the light bar color")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public Color BarLight
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{
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get { return _barLightColour; }
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set { _barLightColour = value; Refresh(); }
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}
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/// <summary>
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/// Gets or sets the bar dark.
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/// </summary>
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/// <value>The bar dark.</value>
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[System.ComponentModel.Description("Gets or sets the dark bar color")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public Color BarDark
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{
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get { return _barDarkColour; }
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set { _barDarkColour = value; Refresh(); }
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}
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/// <summary>
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/// Gets or sets the color of the border.
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/// </summary>
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/// <value>The color of the border.</value>
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[System.ComponentModel.Description("The border color")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public Color BarBorderColor
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{
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get { return _borderColor; }
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set { _borderColor = value; Refresh(); }
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}
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[System.ComponentModel.Description("Gets or sets the Minimum Value")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public int Min
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{
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get { return _min; }
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set { _min = value; Refresh(); }
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}
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[System.ComponentModel.Description("Gets or sets the Minimum Value")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public int Max
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{
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get { return _max; }
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set { _max = value; Refresh(); }
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}
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[System.ComponentModel.Description("Gets or sets the Offset Value")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public int Offset
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{
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get { return _offset; }
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set { _offset = value; Refresh(); }
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}
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[System.ComponentModel.Description("Gets or sets the Value")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public int Value
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{
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get { return _val; }
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set
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{
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if (_val != value)
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{
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_val = value;
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Refresh();
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}
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}
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}
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[System.ComponentModel.Description("Whether the indicator is vertical or horizontal")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public bool IsVertical
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{
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get { return _isVertical; }
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set { _isVertical = value; Refresh(); }
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}
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[System.ComponentModel.Description("If true, then for example control goes right to left when horizontal")]
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[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
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public bool IsReveresed
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{
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get { return _isReveresed; }
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set { _isReveresed = value; Refresh(); }
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}
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}
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}
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