Shortcut to refer to a type field?

Do you mean somthing like the "With" command in actionscript:

with (object) {
  _x = 50;
  _y = 100;
}

In BMX it might be:

With Player.Sprite
   x = 50
   y = 100
   width = .5
   height = .5
   alpha = .5
End With

Instead of:

Player.Sprite.x = 50
Player.Sprite.y = 50 
Player.Sprite.width = .5 
Player.Sprite.height = .5 
Player.Sprite.alpha = .5