Hi Michelle,
We have analyzed your requirement for "Nested Mode in for a particular PropertyItems". Since this feature isn’t available in our product, we consider this to be a feature request. It will help us to implement the feature in line with your requirement, if you can confirm some specific details regarding the requirement.
Please review the following description of the feature and let us know if it conforms to your requirement:
In PropertyGrid, PropertyItem should have property 'ExpandMode' which has the value 'FlatMode' or 'NestedMode' depending on this property, 'ExpandMode' will be set to the particular item.
If our definition of this feature is different from your requirement then share the specific details with us—so that we can work towards fulfilling your requirements.
Regards,
Jegan Raj M