1.     public abstract class StyleGroup : IReadOnlyCollection<Style>
2.     {
3.         private readonly HashSet<Style> _styles = new HashSet<Style>();
4.  
5.         public int Count => _styles.Count;
6.  
7.         public void Add(Style style)
8.         {
9.             _styles.Add(style);
10.         }
11.  
12.         public void AddRange(IEnumerable<Style> styles)
13.         {
14.             foreach (Style style in styles) {
15.                 _styles.Add(style);
16.             }
17.         }
18.  
19.         public void AddRange(params Style[] styles)
20.         {
21.             foreach (Style style in styles) {
22.                 _styles.Add(style);
23.             }
24.         }
25.  
26.         public IEnumerator<Style> GetEnumerator()
27.         {
28.             return _styles.GetEnumerator();
29.         }
30.  
31.         IEnumerator IEnumerable.GetEnumerator()
32.         {
33.             return _styles.GetEnumerator();
34.         }
35.     }
36.  
37.     public class ProcessStyleGroup : StyleGroup
38.     {
39.         public ProcessStyleGroup()
40.         {
41.             CreateTextBlockStyles();
42.             CreateBorderStyles();
43.             CreateButtonStyles();
44.         }
45.  
46.         private void CreateTextBlockStyles()
47.         {
48.             Style insertStyle = new Style();
49.             insertStyle.Selector = insertStyle.Selector.OfType<TextBlock>().Class("Insert");
50.             insertStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, ColorPalette.Green.GetLightThemeBrush()));
51.  
52.             Style deleteStyle = new Style();
53.             deleteStyle.Selector = deleteStyle.Selector.OfType<TextBlock>().Class("Delete");
54.             deleteStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, ColorPalette.Red.GetLightThemeBrush()));
55.  
56.             Style updateStyle = new Style();
57.             updateStyle.Selector = updateStyle.Selector.OfType<TextBlock>().Class("Update");
58.             updateStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, ColorPalette.Blue.GetLightThemeBrush()));
59.  
60.             Style selectStyle = new Style();
61.             selectStyle.Selector = selectStyle.Selector.OfType<TextBlock>().Class("Select");
62.             selectStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, ColorPalette.Yellow.GetLightThemeBrush()));
63.  
64.             Style registerStyle = new Style();
65.             registerStyle.Selector = registerStyle.Selector.OfType<TextBlock>().Class("Register");
66.             registerStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, ColorPalette.Turquoise.GetLightThemeBrush()));
67.  
68.             Style unregisterStyle = new Style();
69.             unregisterStyle.Selector = unregisterStyle.Selector.OfType<TextBlock>().Class("Unregister");
70.             unregisterStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, ColorPalette.Purple.GetLightThemeBrush()));
71.  
72.             AddRange(insertStyle, deleteStyle, updateStyle, selectStyle, registerStyle, unregisterStyle);
73.         }
74.  
75.         private void CreateBorderStyles()
76.         {
77.             Style rootStyle = new Style(x => x.OfType<Border>().Class("Process"));
78.             rootStyle.Setters.Add(new Setter(Border.BorderBrushProperty, Brushes.White));
79.             rootStyle.Setters.Add(new Setter(Border.BorderThicknessProperty, new Thickness(1)));
80.             rootStyle.Setters.Add(new Setter(Decorator.PaddingProperty, new Thickness(8, 4)));
81.  
82.             Style insertStyle = new Style(x => x.OfType<Border>().Class("Insert"));
83.             insertStyle.Setters.Add(new Setter(Border.BackgroundProperty, ColorPalette.Green.GetLightThemeBrush()));
84.  
85.             Style deleteStyle = new Style(x => x.OfType<Border>().Class("Delete"));
86.             deleteStyle.Setters.Add(new Setter(Border.BackgroundProperty, ColorPalette.Red.GetLightThemeBrush()));
87.  
88.             Style updateStyle = new Style(x => x.OfType<Border>().Class("Update"));
89.             updateStyle.Setters.Add(new Setter(Border.BackgroundProperty, ColorPalette.Blue.GetLightThemeBrush()));
90.  
91.             Style selectStyle = new Style(x => x.OfType<Border>().Class("Select"));
92.             selectStyle.Setters.Add(new Setter(Border.BackgroundProperty, ColorPalette.Yellow.GetLightThemeBrush()));
93.  
94.             Style registerStyle = new Style(x => x.OfType<Border>().Class("Register"));
95.             registerStyle.Setters.Add(new Setter(Border.BackgroundProperty, ColorPalette.Turquoise.GetLightThemeBrush()));
96.  
97.             Style unregisterStyle = new Style(x => x.OfType<Border>().Class("Unregister"));
98.             unregisterStyle.Setters.Add(new Setter(Border.BackgroundProperty, ColorPalette.Purple.GetLightThemeBrush()));
99.  
100.             AddRange(rootStyle, insertStyle, deleteStyle, updateStyle, selectStyle, registerStyle, unregisterStyle);
101.         }
102.  
103.         private void CreateButtonStyles()
104.         {
105.             Style rootStyle = new Style(x => x.OfType<Button>().Class("Process"));
106.             rootStyle.Setters.Add(new Setter(Decorator.PaddingProperty, new Thickness(8, 4)));
107.  
108.             Style rootTextBlockStyle = new Style(x => x.OfType<Button>().Class("Process").Template().OfType<TextBlock>());
109.             rootTextBlockStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, Brushes.White));
110.             rootTextBlockStyle.Setters.Add(new Setter(TextBlock.FontWeightProperty, FontWeight.DemiBold));
111.  
112.             Style insertStyle = new Style(x => x.OfType<Button>().Class("Insert"));
113.             insertStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.Green.GetLightThemeBrush()));
114.  
115.             Style deleteStyle = new Style();
116.             deleteStyle.Selector = deleteStyle.Selector.OfType<Button>().Class("Delete");
117.             deleteStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.Red.GetLightThemeBrush()));
118.  
119.             Style updateStyle = new Style();
120.             updateStyle.Selector = updateStyle.Selector.OfType<Button>().Class("Update");
121.             updateStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.Blue.GetLightThemeBrush()));
122.  
123.             Style selectStyle = new Style();
124.             selectStyle.Selector = selectStyle.Selector.OfType<Button>().Class("Select");
125.             selectStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.Yellow.GetLightThemeBrush()));
126.  
127.             Style registerStyle = new Style();
128.             registerStyle.Selector = registerStyle.Selector.OfType<Button>().Class("Register");
129.             registerStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.Turquoise.GetLightThemeBrush()));
130.  
131.             Style unregisterStyle = new Style();
132.             unregisterStyle.Selector = unregisterStyle.Selector.OfType<Button>().Class("Unregister");
133.             unregisterStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.Purple.GetLightThemeBrush()));
134.  
135.             Style generateStyle = new Style(x => x.OfType<Button>().Class("Generate"));
136.             generateStyle.Setters.Add(new Setter(Button.BackgroundProperty, ColorPalette.BlueGreen.GetLightThemeBrush()));
137.  
138.             AddRange(rootStyle, insertStyle, deleteStyle, updateStyle, selectStyle, registerStyle, unregisterStyle);
139.         }
140.     }