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Tells whether the spot metering can be used.

class AutoExposureLockState​

Description：Tells whether the spot metering can be used.

enum AutoExposureLockState​

public enum AutoExposureLockState 
{ 
    /***
     * The auto exposure is locked, can not use the spot metering.  
     */ 
    LOCK("LOCK"), 
    /***
     * The auto exposure is disabled, does not support the spot metering.  */
    UNLOCK("UNLOCK"),
    /*** 
     * The auto exposure is disabled, does not support the spot metering. 
     */ 
    DISABLE("DISABLE"), 
    /*** 
     * The auto exposure is unknown. */
    UNKNOWN("unknown"); 
}

Descripiton：whether the spot metering can be used.