The D-shape pad is created by associating a D-shaped copper piece with the round pad.
If you want to modify the size of the D-shaped pad you first need to select the pad > RMB and select unassociate.
Then you can modify it as you do with normal copper shapes.
When finished you need to associte the copper to the pin again.
It is possibly to move the pad without unassociating it.
Search for 'Associate' in PADS Layout help to get more info.
Oh very good, yes at first I could not select the D-Shape at all other than with "Anything" filter. In looking at it I totally did not think of copper shape
with the way it was behaving. Yes associated copper. Of course shape is there for top, paste & soldermask, so need to un-associate all.
I forgot about this functionality.
I now see this could be a very huge pain dealing with shapes for Top, Top Paste & Top Soldermask with associations if not done with the LP Creator.
Thanks for the help.