parent
If the subfiles are arranged in a hierarchy, this returns the index of the parent of this subfile. Returns -1
if no other subfile is a parent to this subfile.
Syntax
int64_t Subfile::parent() const
If the subfiles are arranged in a hierarchy, this returns the index of the parent of this subfile. Returns -1
if no other subfile is a parent to this subfile.
int64_t Subfile::parent() const