/// <summary>
/// Safe way to invoke the event one time for each passed argument. (Only invokes if it has any event handlers).
/// </summary>
/// <param name="eventHandler">The event handler.</param>
/// <param name="sender">The sender.</param>
/// <param name="eventArgs">The event arguments.</param>
/// <returns>The event handler.</returns>
public static PropertyChangedEventHandler InvokeEvent(this PropertyChangedEventHandler eventHandler, object sender, params string[] eventArgs)
{
var propertyChangedEventArgs = new List <PropertyChangedEventArgs>();
eventArgs.ForEach(x => propertyChangedEventArgs.Add(new PropertyChangedEventArgs(x)));
return(eventHandler.InvokeEvent(sender, propertyChangedEventArgs.ToArray()));
}
/// <summary>
/// Safe way to invoke the event one time for each passed event argument. (Only invokes if it has any event handlers).
/// </summary>
/// <param name="eventHandler">The event handler.</param>
/// <param name="sender">The sender.</param>
/// <param name="eventArgs">The event arguments.</param>
/// <returns>The event handler.</returns>
public static PropertyChangedEventHandler InvokeEvent(this PropertyChangedEventHandler eventHandler, object sender, params PropertyChangedEventArgs[] eventArgs)
{
eventArgs.ForEach(x => eventHandler.InvokeEvent(sender, x));
return(eventHandler);
}
/// <summary>
/// Safe way to invoke the event one time for each passed property. (Only invokes if it has any event handlers).
/// </summary>
/// <param name="eventHandler">The event handler.</param>
/// <param name="sender">The sender.</param>
/// <param name="expressions">The properties triggering the expression.</param>
/// <returns>The event handler.</returns>
public static PropertyChangedEventHandler InvokeEvent(this PropertyChangedEventHandler eventHandler, object sender, params Expression <Func <object> >[] expressions)
{
expressions.ForEach(x => eventHandler.InvokeEvent(sender, new PropertyChangedEventArgs(x.GetPropertyName())));
return(eventHandler);
}
