AVAssetImageGenerator.GenerateCGImagesAsynchronously 方法

定义

异步生成 的缩略图, cmTimesRequestedTimes在创建单个缩略图时重复调用 handler

[Foundation.Export("generateCGImagesAsynchronouslyForTimes:completionHandler:")]
public virtual void GenerateCGImagesAsynchronously (Foundation.NSValue[] cmTimesRequestedTimes, AVFoundation.AVAssetImageGeneratorCompletionHandler handler);
abstract member GenerateCGImagesAsynchronously : Foundation.NSValue[] * AVFoundation.AVAssetImageGeneratorCompletionHandler -> unit
override this.GenerateCGImagesAsynchronously : Foundation.NSValue[] * AVFoundation.AVAssetImageGeneratorCompletionHandler -> unit

参数

cmTimesRequestedTimes
NSValue[]
属性

适用于