enum _PNP_DEVICE_DELETE_TYPE {
QueryRemoveDevice = 0,/* 0x0 */
CancelRemoveDevice = 1,/* 0x1 */
RemoveDevice = 2,/* 0x2 */
SurpriseRemoveDevice = 3,/* 0x3 */
EjectDevice = 4,/* 0x4 */
RemoveFailedDevice = 5,/* 0x5 */
RemoveUnstartedFailedDevice = 6,/* 0x6 */
MaxDeviceDeleteType = 7,/* 0x7 */
};