/// <summary>
/// Fires the PropertyChanged event for the <paramref name="property"/>.
/// </summary>
/// <typeparam name="T">Any object</typeparam>
/// <param name="sender">The INotifyPropertyChangedExtension implementor</param>
/// <param name="handler">The PropertyChanged event</param>
/// <param name="original">Reference to the current value of the <paramref name="property"/></param>
/// <param name="value">Requested new value of the <paramref name="property"/></param>
/// <param name="property">The name of the property</param>
/// <returns>Returns <c>true</c> if the event is fired successfully. Otherwise returns <c>false</c>.</returns>
public static bool SetProperty <T>(this INotifyPropertyChangedExtension sender, ref T original, T value, [CallerMemberName] string property = null)
{
if (NpcExtensions.AreValuesEqual(original, value))
{
return(false);
}
else
{
original = value;
return(sender.FirePropertyChanged(new PropertyChangedEventArgs(property)));
}
}
/// <summary>
/// Sets a property to a new value and fires the PropertyChanged event.
/// </summary>
/// <typeparam name="T">Type of the property</typeparam>
/// <param name="sender">The Caller.</param>
/// <param name="handler">The event.</param>
/// <param name="original">The original property value.</param>
/// <param name="value">The new value.</param>
/// <param name="property">The name of the property being changed.</param>
/// <returns>Returns <c>true</c> if the property is set and the property changed event fires. Returns <c>false</c> if <paramref name="original"/> equals <paramref name="value"/>.</returns>
public static bool SetProperty <T>(INotifyPropertyChanged sender, PropertyChangedEventHandler handler, ref T original, T value, [CallerMemberName] string property = null)
{
if (NpcExtensions.AreValuesEqual(original, value))
{
return(false);
}
else
{
original = value;
handler?.Invoke(sender, new PropertyChangedEventArgs(property));
return(true);
}
}