solidpen 0 0 0 2
solidbrush 255 255 255 
roundrect  2 0 38 140 40 40
*
solidbrush 255 255 255
solidPen 255 255 255 0
rectangle 0 5 40 135 40 40
*
solidpen 0 0 0 0
solidbrush 255 255 150
roundrect  3 3 37 137 40 40
*
Label -5 12 C
Label -5 32 R
Label -5 52 tau
Label -5 72 Va
Label -5 92 Vi
Label -5 112 Irms