fCraft.MathCommands.DrawOperationCallback C# (CSharp) Method

        private static void DrawOperationCallback( Player player, Vector3I[] marks, object tag )
        {
            DrawOperation operation = ( DrawOperation )tag;
            if ( operation.Prepare( marks ) ) {
                if ( !player.CanDraw( operation.BlocksTotalEstimate ) ) {
                    player.Message( "You are only allowed to run draw commands that affect up to {0} blocks. This one would affect {1} blocks.", new object[] { player.Info.Rank.DrawLimit, operation.Bounds.Volume } );
                    operation.Cancel();
                } else {
                    player.Message( "{0}: Processing ~{1} blocks.", new object[] { operation.Description, operation.BlocksTotalEstimate } );
                    operation.Begin();
                }
            }
        }