Sets the current device context (DC) pen color to the specified color value
_WinAPI_SetDCPenColor ( $hDC, $iRGB )
|$hDC||Handle to the device context.|
|$iRGB||The new pen color, in RGB.|
|Success:||The value that specifies the previous DC pen color, in RGB.|
The function returns the previous $DC_PEN color, even if the stock pen $DC_PEN is not selected in the DC;
however, this will not be used in drawing operations until the stock $DC_PEN is selected in the DC.
Search SetDCPenColor in MSDN Library.