enum _KINTERRUPT_POLARITY {
InterruptPolarityUnknown = 0,/* 0x0 */
InterruptActiveHigh = 1,/* 0x1 */
InterruptRisingEdge = 1,/* 0x1 */
InterruptActiveLow = 2,/* 0x2 */
InterruptFallingEdge = 2,/* 0x2 */
InterruptActiveBoth = 3,/* 0x3 */
InterruptActiveBothTriggerLow = 3,/* 0x3 */
InterruptActiveBothTriggerHigh = 4,/* 0x4 */
};