AVCaptureDevice.LockExposure(CMTime, Single, Action<CMTime>) 方法

定义

锁定提供的持续时间和 ISO 的曝光,并在完成时运行完成处理程序。

[Foundation.Export("setExposureModeCustomWithDuration:ISO:completionHandler:")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 8, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual void LockExposure (CoreMedia.CMTime duration, float ISO, Action<CoreMedia.CMTime> completionHandler);
abstract member LockExposure : CoreMedia.CMTime * single * Action<CoreMedia.CMTime> -> unit
override this.LockExposure : CoreMedia.CMTime * single * Action<CoreMedia.CMTime> -> unit

参数

duration
CMTime
ISO
Single
completionHandler
Action<CMTime>

内容待定。

此参数可以为 null

属性

适用于