Hi @grsgrs,
Even if not checked explicitly, the parent will be part of CheckedValues if all children are checked. Here is an example where the parent is not in CheckedValues since only some of the children are checked:
Here is an example where the parent is part of CheckedValues since all children are checked:
UPDATE: Ok. I've managed to reproduce an invalid state where after all children are checked (and parent is checked explicitly in this case) and a single child is unchecked the parent is still part of CheckedValues while visually the state is correct. Is this what you are reporting?