[VS/.Net/FW] ... Make Transparent TabControl ...

Question

Hi world ! ;) Ok, so I have a window with a Bitmap as Background, and on it, a TabControl with some TabPages... And I want to see in TabIndex and in TabPage the background bitmap ... And not only a solid color ... Transparency doesn't work ... NB: I tried to set a bitmap for each TabPage background, the bitmap is corretly displayed in the TabPage, but the Tab ( The click zone for Page change ... ) remains Grey ... Please help me ! ;o) Thanks in advance. Seb.