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Property Value
Nullable (boxed) ImGearEXIFGPSSpeedReference enumeration value.This property accesses the GPSSpeedRef tag. The tag indicates the unit used to express the GPS receiver speed of movement.
Get accessor returns the tag value if the tag is present in the metadata tree, or null otherwise.
Set accessor replaces the current tag value if the tag is present in the metadata tree, adds the tag if it was not present, or deletes the tag if a null value is passed.
See the EXIF 2.2 specification for tag usage details.