DotNet 4.8.1 build of DotNetBar
This commit is contained in:
@@ -0,0 +1,511 @@
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using System;
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using System.ComponentModel;
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using System.Globalization;
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namespace DevComponents.DotNetBar.SuperGrid.Style
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{
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///<summary>
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/// VisualStyles
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///</summary>
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[TypeConverter(typeof(VisualStylesConverter))]
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public class VisualStyles<T> : IDisposable, INotifyPropertyChanged where T : BaseVisualStyle, new()
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{
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#region Private variables
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private T[] _Styles;
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#endregion
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///<summary>
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/// Constructor
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///</summary>
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public VisualStyles()
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{
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_Styles = new T[Enum.GetValues(typeof(StyleType)).Length - 1];
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}
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#region Public properties
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#region Indexer
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/// <summary>
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/// Gets or sets the visual style
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/// assigned to the element. Default value is null.
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/// </summary>
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[DefaultValue(null), Category("Style")]
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[Description("Indicates visual style assigned to the element")]
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public T this[StyleType e]
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{
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get
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{
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int n = ((IConvertible)e).ToInt32(null);
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if (n < 0 || n > _Styles.Length)
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throw new Exception("Invalid Style indexer");
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return (GetStyle(n));
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}
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set
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{
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int n = ((IConvertible)e).ToInt32(null);
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if (n < 0 || n > _Styles.Length)
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throw new Exception("Invalid Style indexer");
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SetStyle(n, value);
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}
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}
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#endregion
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#region Default
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///<summary>
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/// The normal, default style
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///</summary>
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[Description("Style to use for normal, default items")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T Default
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{
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get { return (GetStyle((int) StyleType.Default)); }
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set { SetStyle((int) StyleType.Default, value); }
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}
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#endregion
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#region Empty
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///<summary>
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/// Style to use when a cell item is empty
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///</summary>
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[Description("Style to use when a cell item is empty")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T Empty
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{
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get { return (GetStyle((int)StyleType.Empty)); }
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set { SetStyle((int)StyleType.Empty, value); }
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}
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#endregion
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#region MouseOver
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///<summary>
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/// MouseOver
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///</summary>
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[Description("Style to use when the Mouse is over an item")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T MouseOver
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{
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get { return (GetStyle((int)StyleType.MouseOver)); }
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set { SetStyle((int)StyleType.MouseOver, value); }
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}
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#endregion
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#region NotSelectable
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///<summary>
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/// Style to use for non-selectable items
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///</summary>
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[Description("Style to use for non-selectable items")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T NotSelectable
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{
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get { return (GetStyle((int)StyleType.NotSelectable)); }
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set { SetStyle((int)StyleType.NotSelectable, value); }
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}
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#endregion
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#region Selected
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///<summary>
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/// Style to use for selected items.
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///</summary>
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[Description("Style to use for selected items.")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T Selected
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{
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get { return (GetStyle((int)StyleType.Selected)); }
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set { SetStyle((int)StyleType.Selected, value); }
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}
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#endregion
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#region SelectedMouseOver
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///<summary>
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/// Style to use for MouseOver selected items
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///</summary>
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[Description("Style to use for MouseOver selected items")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T SelectedMouseOver
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{
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get { return (GetStyle((int)StyleType.SelectedMouseOver)); }
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set { SetStyle((int)StyleType.SelectedMouseOver, value); }
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}
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#endregion
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#region ReadOnly
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///<summary>
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/// Style to use for ReadOnly items
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///</summary>
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[Description("Style to use for ReadOnly items.")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T ReadOnly
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{
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get { return (GetStyle((int)StyleType.ReadOnly)); }
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set { SetStyle((int)StyleType.ReadOnly, value); }
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}
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#endregion
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#region ReadOnlyMouseOver
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///<summary>
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/// Style to use for ReadOnly, MouseOver items
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///</summary>
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[Description("Style to use for ReadOnly, MouseOver items.")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T ReadOnlyMouseOver
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{
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get { return (GetStyle((int)StyleType.ReadOnlyMouseOver)); }
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set { SetStyle((int)StyleType.ReadOnlyMouseOver, value); }
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}
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#endregion
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#region ReadOnlySelected
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///<summary>
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/// ReadOnlySelected
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///</summary>
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[Description("Style to use for ReadOnly, Selected items.")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T ReadOnlySelected
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{
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get { return (GetStyle((int)StyleType.ReadOnlySelected)); }
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set { SetStyle((int)StyleType.ReadOnlySelected, value); }
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}
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#endregion
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#region ReadOnlySelectedMouseOver
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///<summary>
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/// Style to use for ReadOnly, Selected, MouseOver items
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///</summary>
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[Description("Style to use for ReadOnly, Selected, MouseOver items.")]
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[TypeConverter(typeof(VisualStylesConverter))]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public T ReadOnlySelectedMouseOver
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{
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get { return (GetStyle((int)StyleType.ReadOnlySelectedMouseOver)); }
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set { SetStyle((int)StyleType.ReadOnlySelectedMouseOver, value); }
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}
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#endregion
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#region Styles
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///<summary>
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/// Styles array
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///</summary>
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public T[] Styles
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{
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get { return (_Styles); }
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}
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#endregion
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#endregion
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#region GetStyle
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private T GetStyle(int n)
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{
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if (_Styles[n] == null)
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{
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_Styles[n] = new T();
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OnStyleChangeHandler(null, _Styles[n]);
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}
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return (_Styles[n]);
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}
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#endregion
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#region SetStyle
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private void SetStyle(int n, T value)
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{
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if (_Styles[n] != value)
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{
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T oldValue = _Styles[n];
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_Styles[n] = value;
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OnStyleChanged(Enum.GetName(typeof(StyleType), n), oldValue, value);
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}
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}
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#endregion
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#region OnStyleChanged
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private void OnStyleChanged(
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string property, T oldValue, T newValue)
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{
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OnStyleChangeHandler(oldValue, newValue);
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OnPropertyChanged(new VisualPropertyChangedEventArgs(property));
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}
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#endregion
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#region IsValid
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internal bool IsValid(Enum e)
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{
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int n = ((IConvertible) e).ToInt32(null);
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if (n < 0 || n > _Styles.Length)
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throw new Exception("Invalid Style indexer");
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return (_Styles[n] != null);
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}
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#endregion
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#region Style support routines
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#region StyleVisualChangeHandler
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private void OnStyleChangeHandler(T oldValue, T newValue)
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{
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if (oldValue != null)
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oldValue.PropertyChanged -= StyleChanged;
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if (newValue != null)
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newValue.PropertyChanged += StyleChanged;
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}
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#endregion
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#region StyleChanged
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/// <summary>
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/// Occurs when one of element visual styles has property changes.
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/// Default implementation invalidates visual appearance of element.
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/// </summary>
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/// <param name="sender">VisualStyle that changed.</param>
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/// <param name="e">Event arguments.</param>
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protected virtual void StyleChanged(object sender, PropertyChangedEventArgs e)
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{
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OnPropertyChanged(e);
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}
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#endregion
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#endregion
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#region INotifyPropertyChanged Members
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/// <summary>
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/// Occurs when property value has changed.
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/// </summary>
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public event PropertyChangedEventHandler PropertyChanged;
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/// <summary>
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/// Raises the PropertyChanged event.
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/// </summary>
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/// <param name="e">Event arguments</param>
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protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
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{
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PropertyChangedEventHandler eh = PropertyChanged;
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if (eh != null)
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eh(this, e);
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}
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#endregion
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#region IDisposable
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/// <summary>
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/// Dispose
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/// </summary>
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public void Dispose()
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{
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for (int i = 0; i < _Styles.Length; i++)
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{
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T style = _Styles[i];
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if (style != null)
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{
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SetStyle(i, null);
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style.Dispose();
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}
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}
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_Styles = null;
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}
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#endregion
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}
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#region enums
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#region StyleType
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///<summary>
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/// StyleType
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///</summary>
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public enum StyleType
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{
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///<summary>
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/// CellStyle is Not Set
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///</summary>
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NotSet = -1,
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///<summary>
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/// Default
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///</summary>
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Default = 0,
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///<summary>
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/// MouseOver
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///</summary>
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MouseOver,
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///<summary>
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/// Selected
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///</summary>
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Selected,
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///<summary>
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/// SelectedMouseOver
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///</summary>
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SelectedMouseOver,
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///<summary>
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/// ReadOnly
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///</summary>
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ReadOnly,
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///<summary>
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/// ReadOnlyMouseOver
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///</summary>
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ReadOnlyMouseOver,
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///<summary>
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/// ReadOnlySelected
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///</summary>
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ReadOnlySelected,
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///<summary>
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/// ReadOnlySelectedMouseOver
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///</summary>
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ReadOnlySelectedMouseOver,
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///<summary>
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/// Empty, non-populated cell
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///</summary>
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Empty,
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///<summary>
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/// Empty, mouseOver non-populated cell
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///</summary>
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EmptyMouseOver,
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///<summary>
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/// Empty, MouseOver, Selected, non-populated cell
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///</summary>
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EmptyMouseOverSelected,
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///<summary>
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/// Not Selectable cell
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///</summary>
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NotSelectable,
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}
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#endregion
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#region StyleState
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///<summary>
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/// StyleState
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///</summary>
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[Flags]
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public enum StyleState
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{
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///<summary>
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/// Default
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///</summary>
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Default = 0,
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///<summary>
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/// MouseOver
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///</summary>
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MouseOver = (1 << 0),
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///<summary>
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/// Selected
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///</summary>
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Selected = (1 << 1),
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///<summary>
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/// ReadOnly
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///</summary>
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ReadOnly = (1 << 2),
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}
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#endregion
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#endregion
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#region VisualStylesConverter
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///<summary>
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/// VisualStylesConverter
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///</summary>
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public class VisualStylesConverter : ExpandableObjectConverter
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{
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/// <summary>
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/// ConvertTo
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/// </summary>
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/// <param name="context"></param>
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/// <param name="culture"></param>
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/// <param name="value"></param>
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/// <param name="destinationType"></param>
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/// <returns></returns>
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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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return (" ");
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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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Reference in New Issue
Block a user