Using a tree with three state checkboxes enabled, when one c

Suite and Optimus Suite 5
#1

Using a tree with three state checkboxes enabled, when one clicks on a parent
node with a check box, and it’s child nodes are automatically checked, the
onCheckHandler event does not get called for the nodes that automatically get
checked. The node check handler only gets called when the user physically
checks a node.

Is
this intended functionality, or is it a bug?

#2

This
is a correct behaviour. The changing of checkbox state, caused by changing
state of parent/child item, doesn’t fire onCheck event. It was done in such way
to prevent plural calls, which can be a serious performance problem for big
trees.