
主要的是这么几个API:
Indicates that the calling application has completed its data recovery.
ApplicationRecoveryInProgress
Indicates that the calling application is continuing to recover data.
GetApplicationRecoveryCallback
Retrieves a pointer to the recovery callback routine registered for the specified process.
GetApplicationRestartSettings
Retrieves the restart information registered for the specified process.
RegisterApplicationRecoveryCallback
Registers the active instance of an application for recovery.
RegisterApplicationRestart
Registers the active instance of an application for restart.
UnregisterApplicationRecoveryCallback
Removes the active instance of an application from the recovery list.
UnregisterApplicationRestart
Removes the active instance of an application from the restart list.

A pointer to the recovery callback function. For more information, see ApplicationRecoveryCallback.
//崩溃恢复回调函数的指针
A pointer to a variable to be passed to the callback function. Can be NULL.
//崩溃恢复回调函数的参数
The recovery ping interval, in milliseconds. By default, the interval is 5 seconds (RECOVERY_DEFAULT_PING_INTERVAL). The maximum interval is 5 minutes. If you specify zero, the default interval is used.
//单位为毫秒,崩溃后多少毫秒后执行崩溃恢复回调函数
Reserved for future use. Set to zero.
//保留,为0