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通过


PHImageManager.RequestAvAsset 方法

定义

请求资产包含的 AV Foundation 对象。

[Foundation.Export("requestAVAssetForVideo:options:resultHandler:")]
[ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.MacOSX, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual int RequestAvAsset (Photos.PHAsset asset, Photos.PHVideoRequestOptions options, Photos.PHImageManagerRequestAvAssetHandler resultHandler);
abstract member RequestAvAsset : Photos.PHAsset * Photos.PHVideoRequestOptions * Photos.PHImageManagerRequestAvAssetHandler -> int
override this.RequestAvAsset : Photos.PHAsset * Photos.PHVideoRequestOptions * Photos.PHImageManagerRequestAvAssetHandler -> int

参数

asset
PHAsset
options
PHVideoRequestOptions

内容待定。

此参数可以为 null

返回

属性

适用于