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Finding an Object's Children

The first child of any object can be found using the function First(). This returns a pointer to the head of a linked-list of child objects. The linked list can be traversed using the Next() function.

For example, an object could count the number of siblings (i.e. object's with the same parent) it has using the following code sequence:

PegThing * pTest = Parent()->First(); // first child of my parent 
int iSiblings = 0; 
while (pTest) 
{ 
   if (pTest != this) 
      iSiblings++; 
   pTest = pTest->Next(); 
}

Programming with RTPEG-32

Finding an Object's Parent

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