has_parent
Description:
Checks if this has a parent, and optionally, if it is parent
.
If parent
is null then this function returns true if
this has any parent at all. If parent
is non-null then
true is only returned if this is an immediate child of parent
.
Parameters:
this |
input File |
parent |
the parent to check for, or null |
Returns:
true if this is an immediate child of |