AVAssetResourceLoadingRequest.GetPersistentContentKey 方法

定义

返回永久性内容密钥。

[Foundation.Export("persistentContentKeyFromKeyVendorResponse:options:error:")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual Foundation.NSData GetPersistentContentKey (Foundation.NSData keyVendorResponse, Foundation.NSDictionary<Foundation.NSString,Foundation.NSObject> options, out Foundation.NSError error);
abstract member GetPersistentContentKey : Foundation.NSData * Foundation.NSDictionary<Foundation.NSString, Foundation.NSObject> *  -> Foundation.NSData
override this.GetPersistentContentKey : Foundation.NSData * Foundation.NSDictionary<Foundation.NSString, Foundation.NSObject> *  -> Foundation.NSData

参数

keyVendorResponse
NSData
options
NSDictionary<NSString,NSObject>

内容待定。

此参数可以为 null

error
NSError

返回

属性

适用于