Accessing properties of ancestor classes


  I am making a component derived from TScrollingControl which is
itself derived from TWinControl. TScrollingControl does not have a
KeyPreview property but TWinControl has. I would like to know how, if
possible, to access the KeyPreview property from the TScrollingControl
derived class. Also i would like to know what is the best way to
provide a Canvas to a component derived from one that does not have a

Any help would be much appreciated