step output from custom user action

[gribble]

Im running VBPro 5.0 and i have a custom user action ive written in c# as a DLL

it shows a custom frontend allowing users to select various options, and then sets temporary macros in the VBPro project

what i cant figure out is, how can i make the step have output in the output window (i want to log the user's selected options). I have tried writing it to stdout but that isnt working... i cant find where in the object model i can assign the string that i want to appear in the step output for my custom step

any help would be appreciated!