39 lines
1.3 KiB
C#
39 lines
1.3 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 Bit.Core.Utilities
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{
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public abstract class ExtendedViewModel : INotifyPropertyChanged
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{
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public event PropertyChangedEventHandler PropertyChanged;
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protected bool SetProperty<T>(ref T backingStore, T value, Action onChanged = null,
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[CallerMemberName]string propertyName = "", string[] additionalPropertyNames = null)
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{
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if (EqualityComparer<T>.Default.Equals(backingStore, value))
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{
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return false;
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}
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backingStore = value;
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TriggerPropertyChanged(propertyName, additionalPropertyNames);
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onChanged?.Invoke();
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return true;
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}
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protected void TriggerPropertyChanged(string propertyName, string[] additionalPropertyNames = null)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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if (PropertyChanged != null && additionalPropertyNames != null)
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{
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foreach (var prop in additionalPropertyNames)
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{
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PropertyChanged.Invoke(this, new PropertyChangedEventArgs(prop));
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}
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}
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}
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}
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}
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