public static void MapPropertyChanged(this INotifyPropertyChanged obj, PropertyChangedEventArgs e, PropertyChangedEventHandler propertyChanged, string propertyName, params string[] mappedPropertyNames)
{
if (e.PropertyName == propertyName)
{
foreach (var name in mappedPropertyNames)
{
obj.InvokePropertyChanged(propertyChanged, name);
}
}
}
/// <summary>
/// If the new value differs from the current private field value, this method will change
/// the given private field value and will raise the PropertyChanged event.
///
/// Checks for equality between object using Equals()
/// </summary>
/// <typeparam name="T">a struct type</typeparam>
/// <param name="sender">an object that implements INotifyPropertyChanged</param>
/// <param name="handler">PropertyChanged event handler</param>
/// <param name="privateField">a struct</param>
/// <param name="newValue">a struct</param>
/// <param name="propertyName">name of the public property</param>
public static void ChangeProperty <T>(this INotifyPropertyChanged sender, PropertyChangedEventHandler handler,
ref T privateField, ref T newValue, string propertyName) where T : struct
{
if (privateField.Equals(newValue))
{
return;
}
privateField = newValue;
sender.InvokePropertyChanged(handler, propertyName);
}
