Sets the width of unwritable margin of the paper in pixels.
SetPagePhysicalOffsetX (PhysicalOffsetX As Long, pBlackIceDEVMODE As Long) As Boolean
Input value - value of the new offset value in pixels
Input value - handle to the BlackIceDEVMODE.
Return value - TRUE on success, otherwise FALSE.
NOTE: For 32-bit applications , use pBlackIceDEVMODE as Integer, instead of Long.