about OwnerID

hi,
there is a property called OwnerID,

what does parent object means

why and when is it used .


thank you.

 

Most objects have a container object. This is the parent object. Think of
the parent object as the object that controls the life and position of its
children objects. For instance, in real life, imagine you had 3 buckets of
nails. Each nail's owner would be the bucket that is holding it. If you
move a bucket across town, the nails move with it -- you don't have to
change the location of each and every nail. It's similar with controls on a
form, or lines on a Layout. If you move a form around on screen, its
controls all move with it... the programmer who put the controls on the form
didn't have to write code to move them whenever their parent (the form)
moves. If you could move a block around, the lines that make up that block
would all move with it.... that's the basis of block references.

OwnerID tells you which block a Line or Circle (or ...) belongs to. So you
could find out what Layout it is on, or if it is in Modelspace, or if it's
part of a named block.

HTH,

James