https://www.graphicsmill.com/docs/gm5/C_Aurigma_GraphicsMill_Codecs_SwfEncoderOptions_ctor_1_b5bb9c48.htm
SwfEncoderOptions Constructor (RgbColor) - Graphics Mill 5.5 for .NET
SwfEncoderOptions Constructor (RgbColor) (Class Library Reference)
graphics millconstructorrgbcolor