You're correct. Currently, besides the NumEdit control, the MStudio .NET controls do not fully support ambient properties. The controls have some support for this. For example, if you have multiple axes and you change the font for the graph, all the axes fonts will be updated to use the graph's font. The customer divisions behave in a similar way.
I have filed this as a bug report to the developers. Thanks for the feedback.
Bilal Durrani
NI