"how can i set these values by code
- You can not set it programmatically. This property is read-only. It's been calculated based on the entire branch that the node starts.
"one of the three childs isn't checked, the father of it, the second level is Indeterminate but the first level is Checked instead of Indeterminate
- Please, post an example that will reproduce the problem along with step-by-step procedure to reproduce.
the Telerik team