DotNet 4.8.1 build of DotNetBar
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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using System.Globalization;
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namespace DevComponents.Instrumentation
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{
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[TypeConverter(typeof(LabelLayoutConvertor))]
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public class LabelLayout : IDisposable, ICloneable
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{
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#region Events
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public event EventHandler<EventArgs> LabelLayoutChanged;
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#endregion
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#region Private variables
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private DisplayPlacement _Placement;
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private float _ScaleOffset;
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private Font _Font;
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private Font _AbsFont;
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private float _Angle;
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private bool _AutoSize;
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private bool _RotateLabel;
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private bool _AdaptiveLabel;
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private bool _AutoOrientLabel;
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private Color _ForeColor;
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#endregion
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public LabelLayout()
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{
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_ForeColor = Color.Black;
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_Placement = DisplayPlacement.Near;
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_AutoSize = true;
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_AutoOrientLabel = true;
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_RotateLabel = true;
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}
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#region Public properties
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#region AdaptiveLabel
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/// <summary>
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/// Gets or sets whether labels are to adapt to the scale shape
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/// </summary>
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[Browsable(true)]
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[Category("Behavior"), DefaultValue(false)]
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[Description("Indicates whether labels are to adapt to the scale shape.")]
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public bool AdaptiveLabel
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{
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get { return (_AdaptiveLabel); }
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set
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{
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if (_AdaptiveLabel != value)
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{
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_AdaptiveLabel = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region Angle
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/// <summary>
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/// Gets or sets the additional number of degrees the label will be rotated
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/// </summary>
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[Browsable(true), Category("Appearance"), DefaultValue(0f)]
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[Description("Indicates the additional number of degrees the label will be rotated.")]
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[Editor("DevComponents.Instrumentation.Design.AngleRangeValueEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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[NotifyParentProperty(true)]
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public float Angle
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{
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get { return (_Angle); }
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set
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{
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if (_Angle != value)
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{
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_Angle = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region AutoOrientLabel
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/// <summary>
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/// Gets or sets whether the label will be auto oriented away from being upside down
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/// </summary>
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[Browsable(true)]
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[Category("Behavior"), DefaultValue(true)]
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[Description("Indicates whether the label will be auto oriented away from being upside down.")]
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public bool AutoOrientLabel
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{
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get { return (_AutoOrientLabel); }
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set
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{
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if (_AutoOrientLabel != value)
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{
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_AutoOrientLabel = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region AutoSize
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/// <summary>
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/// Gets or sets whether the label Font size is auto sized
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/// </summary>
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[Browsable(true)]
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[Category("Behavior"), DefaultValue(true)]
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[Description("Indicates whether the label Font size is auto sized.")]
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public bool AutoSize
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{
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get { return (_AutoSize); }
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set
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{
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if (_AutoSize != value)
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{
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_AutoSize = value;
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AbsFont = null;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region Font
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/// <summary>
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/// Gets or sets the Font to use for the label
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/// </summary>
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[Browsable(true)]
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[Category("Appearance")]
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[Description("Indicates the Font to use for the label.")]
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public Font Font
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{
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get
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{
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if (_Font == null)
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_Font = new Font("Microsoft SanSerif", 12);
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return (_Font);
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}
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set
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{
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if (_Font != null)
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_Font.Dispose();
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_Font = value;
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AbsFont = null;
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OnLabelLayoutChanged();
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}
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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internal virtual bool ShouldSerializeFont()
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{
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if (_Font == null)
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return (false);
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using (Font font = new Font("Microsoft SanSerif", 12))
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return (_Font.Equals(font) == false);
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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internal virtual void ResetFont()
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{
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Font = new Font("Microsoft SanSerif", 12);
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}
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#endregion
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#region ForeColor
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/// <summary>
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/// Gets or sets the Label text Color
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/// </summary>
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[Browsable(true), Category("Appearance"), DefaultValue(typeof(Color), "Black")]
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[Description("Indicates the Label text Color.")]
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public Color ForeColor
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{
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get { return (_ForeColor); }
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set
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{
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if (_ForeColor != value)
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{
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_ForeColor = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region Placement
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/// <summary>
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/// Gets or sets the Placement of the Label with respect to the Scale
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/// </summary>
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[Browsable(true)]
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[Category("Layout"), DefaultValue(DisplayPlacement.Near)]
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[Description("Indicates the Placement of the Label with respect to the Scale.")]
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public DisplayPlacement Placement
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{
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get { return (_Placement); }
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set
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{
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if (_Placement != value)
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{
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_Placement = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region RotateLabel
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/// <summary>
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/// Gets or sets whether labels are rotated along the scale
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/// </summary>
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[Browsable(true)]
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[Category("Behavior"), DefaultValue(true)]
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[Description("Indicates whether labels are rotated along the scale.")]
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public bool RotateLabel
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{
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get { return (_RotateLabel); }
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set
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{
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if (_RotateLabel != value)
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{
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_RotateLabel = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#region ScaleOffset
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/// <summary>
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/// Gets or sets the distance from the Label to the Scale, measured as a percentage
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/// </summary>
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[Browsable(true)]
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[Category("Layout"), DefaultValue(0f)]
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[Editor("DevComponents.Instrumentation.Design.OffsetRangeValueEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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[Description("Indicates the distance from the Label to the Scale, measured as a percentage.")]
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public float ScaleOffset
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{
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get { return (_ScaleOffset); }
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set
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{
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if (_ScaleOffset != value)
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{
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_ScaleOffset = value;
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OnLabelLayoutChanged();
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}
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}
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}
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#endregion
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#endregion
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#region Internal properties
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#region AbsFont
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internal Font AbsFont
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{
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get { return (_AbsFont); }
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set
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{
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if (_AbsFont != null)
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_AbsFont.Dispose();
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_AbsFont = value;
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}
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}
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#endregion
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#endregion
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#region OnLabelLayoutChanged
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private void OnLabelLayoutChanged()
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{
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if (LabelLayoutChanged != null)
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LabelLayoutChanged(this, EventArgs.Empty);
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}
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#endregion
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#region IDisposable Members
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public void Dispose()
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{
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Font = null;
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AbsFont = null;
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}
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#endregion
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#region ICloneable Members
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public virtual object Clone()
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{
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LabelLayout copy = new LabelLayout();
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CopyToItem(copy);
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return (copy);
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}
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#endregion
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#region CopyToItem
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internal virtual void CopyToItem(LabelLayout copy)
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{
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copy.AdaptiveLabel = _AdaptiveLabel;
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copy.Angle = _Angle;
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copy.AutoOrientLabel = _AutoOrientLabel;
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copy.AutoSize = _AutoSize;
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if (_Font != null)
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copy.Font = (Font)_Font.Clone();
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copy.ForeColor = _ForeColor;
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copy.Placement = _Placement;
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copy.RotateLabel = _RotateLabel;
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copy.ScaleOffset = _ScaleOffset;
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}
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#endregion
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}
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#region LabelLayoutConvertor
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public class LabelLayoutConvertor : ExpandableObjectConverter
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{
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public override object ConvertTo(
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ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType == typeof(string))
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{
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LabelLayout ll = value as LabelLayout;
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if (ll != null)
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{
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//ColorConverter cvt = new ColorConverter();
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//if (lct.Start != Color.Empty)
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// return (cvt.ConvertToString(lct.Start));
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//if (lct.End != Color.Empty)
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// return (cvt.ConvertToString(lct.End));
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//if (lct.GradientAngle != 90)
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// return (lct.GradientAngle.ToString());
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return (String.Empty);
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}
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}
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return (base.ConvertTo(context, culture, value, destinationType));
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}
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}
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#endregion
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}
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