30 lines
1.0 KiB
C#
30 lines
1.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Runtime.CompilerServices;
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namespace NotificationFlyoutSample
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{
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public class ObservableObject : INotifyPropertyChanged
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{
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public event PropertyChangedEventHandler PropertyChanged;
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public virtual void OnPropertyChanged([CallerMemberName] string propertyName = "") => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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protected virtual bool SetProperty<T>(ref T backingStore, T value, [CallerMemberName] string propertyName = "",
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Action onChanged = null, Func<T, T, bool> validateValue = null)
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{
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if (EqualityComparer<T>.Default.Equals(backingStore, value))
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return false;
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if (validateValue != null && !validateValue(backingStore, value))
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return false;
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backingStore = value;
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onChanged?.Invoke();
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OnPropertyChanged(propertyName);
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return true;
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}
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}
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}
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