Sets the size of a single datamatrix cell (a single black or white rectangle) in pixels.
SetDMModuleSize (pDevMode As Long, dwSize As Long) As Boolean
Input value - pDevMode: handle to the BlackIceDEVMODE structure
Input value - dwSize: cell size in pixels
Return value - TRUE on success, FALSE otherwise.
NOTE: For 32-bit applications, use pDevMode as Integer, instead of Long.