// ucxroothub.h
typedef enum _TRISTATE {
TriStateUnknown,
TriStateFalse,
TriStateTrue
} TRISTATE;
View the official Windows Driver Kit DDI referenceNo description available.
The TRISTATE enumeration indicates generic state values for true or false.
TriStateUnknownState is unknown.
TriStateFalseState is a false boolean value.
TriStateTrueState is a true boolean value.