fxMultiplier (FIXED) - input
The value of this parameter defines the size of the required arc in relation to an arc drawn with the current arc parameters. The multiplier is a fixed-point value. The high-order WORD contains the integer portion; the low-order WORD contains the fractional portion. A value of 64KB gives a multiplier of 1. The implementation limit of the multiplier is 255. This value must not be negative.