/// <summary>
/// Raises a specific routed event. The <see cref="RoutedEvent"/> to be raised is identified within the <see cref="RoutedEventArgs"/> instance
/// that is provided (as the <see cref="RoutedEvent"/> property of that event data).
/// </summary>
/// <param name="e">A <see cref="RoutedEventArgs"/> that contains the event data and also identifies the event to raise.</param>
/// <exception cref="ArgumentNullException"><paramref name="e"/> is null.</exception>
/// <exception cref="InvalidOperationException">The type of the routed event argument <paramref name="e"/> does not match the event handler second argument type.</exception>
public void RaiseEvent(RoutedEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
if (e.RoutedEvent == null)
{
return;
}
if (!e.RoutedEvent.HandlerSecondArgumentType.GetTypeInfo().IsAssignableFrom(e.GetType().GetTypeInfo()))
{
throw new InvalidOperationException("The type of second parameter of the handler (" + e.RoutedEvent.HandlerSecondArgumentType
+ ") is not assignable from the parameter 'e' type (" + e.GetType() + ").");
}
// temporarily disable errors from add/removes of entities during events in other threads, as it is always safe to do it now
bool previousEnforce = EntityManager.EnforceThreads;
EntityManager.EnforceThreads = false;
var sourceWasNull = e.Source == null;
if (sourceWasNull) // set the source to default if needed
{
e.Source = this;
}
e.StartEventRouting();
PropagateRoutedEvent(e);
e.EndEventRouting();
// return to enforcing thread add/removes, if we were before
EntityManager.EnforceThreads = previousEnforce;
if (sourceWasNull) // reset the source if it was not explicitly set (event might be reused again for other sources)
{
e.Source = null;
}
}
/// <summary>
/// Raises a specific routed event. The <see cref="RoutedEvent"/> to be raised is identified within the <see cref="RoutedEventArgs"/> instance
/// that is provided (as the <see cref="RoutedEvent"/> property of that event data).
/// </summary>
/// <param name="e">A <see cref="RoutedEventArgs"/> that contains the event data and also identifies the event to raise.</param>
/// <exception cref="ArgumentNullException"><paramref name="e"/> is null.</exception>
/// <exception cref="InvalidOperationException">The type of the routed event argument <paramref name="e"/> does not match the event handler second argument type.</exception>
public void RaiseEvent(RoutedEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
if (e.RoutedEvent == null)
{
return;
}
if (!e.RoutedEvent.HandlerSecondArgumentType.GetTypeInfo().IsAssignableFrom(e.GetType().GetTypeInfo()))
{
throw new InvalidOperationException("The type of second parameter of the handler (" + e.RoutedEvent.HandlerSecondArgumentType
+ ") is not assignable from the parameter 'e' type (" + e.GetType() + ").");
}
var sourceWasNull = e.Source == null;
if (sourceWasNull) // set the source to default if needed
{
e.Source = this;
}
e.StartEventRouting();
PropagateRoutedEvent(e);
e.EndEventRouting();
if (sourceWasNull) // reset the source if it was not explicitly set (event might be reused again for other sources)
{
e.Source = null;
}
}