Delete all the .WB4 files from the diamond directory and reapply the skin.
Hey Neil, it is the skin, maybe an older work in progress version slipped in?, I had to adjust y offset for buttons from 16 to 2, had to adjust content top margin for caption and maxed caption from 12 to 0.
The 2 for button offset is the setting in the Vista sub skin, top content margin in it is 1.
Was just the buttons in per pixel section, the free form buttons are at y offset of 0.
A couple questions out of curiosity 1) why was Diamond made in UIS1+ format, 2) since in the Window Borders section there are no non per pixel images, where are the images called from for in a MDI app.