fCraft.WorldManager.RaiseMainWorldChangingEvent C# (CSharp) Method

        private static bool RaiseMainWorldChangingEvent( World oldWorld, [NotNull] World newWorld )
        {
            if ( newWorld == null )
                throw new ArgumentNullException( "newWorld" );
            var h = MainWorldChanging;
            if ( h == null )
                return false;
            var e = new MainWorldChangingEventArgs( oldWorld, newWorld );
            h( null, e );
            return e.Cancel;
        }