21 lines
1.2 KiB
C#
21 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Windows;
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namespace Server_Dashboard {
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public abstract class BaseAttachedProperty<Parent, Property>
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where Parent : BaseAttachedProperty<Parent, Property>, new() {
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public event Action<DependencyObject, DependencyPropertyChangedEventArgs> ValueChanged = (sender, e) => { };
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public static Parent Instance { get; private set; } = new Parent();
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public static readonly DependencyProperty ValueProperty = DependencyProperty.RegisterAttached("Value", typeof(Property), typeof(BaseAttachedProperty<Parent, Property>), new PropertyMetadata(new PropertyChangedCallback(OnValuePropertyChanged)));
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private static void OnValuePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) {
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Instance.OnValueChanged(d, e);
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Instance.ValueChanged(d, e);
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}
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public static Property GetValue(DependencyObject d) => (Property)d.GetValue(ValueProperty);
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public static void SetValue(DependencyObject d, Property value) => d.SetValue(ValueProperty, value);
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public virtual void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e) { }
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}
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}
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