The modifier track graphics mode structure contains information that defines the graphics mode setting for a track. Data in this structure indicates the graphics mode setting and the RGB op-color which is used with certain graphics modes. Data sent to the kTrackModifierTypeGraphicsMode input type should be in the form of a modifier track graphics mode structure.
struct ModifierTrackGraphicsModeRecord {
long graphicsMode;
RGBColor opColor;
};
typedef struct ModifierTrackGraphicsModeRecord ModifierTrackGraphicsModeRecord;