NSItemProvider.LoadObjectAsync 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
多載
LoadObjectAsync(Class) | |
LoadObjectAsync(Class, NSProgress) | |
LoadObjectAsync<T>() | |
LoadObjectAsync<T>(NSProgress) |
LoadObjectAsync(Class)
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.WatchOS, 4, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 13, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual System.Threading.Tasks.Task<Foundation.INSItemProviderReading> LoadObjectAsync (ObjCRuntime.Class aClass);
abstract member LoadObjectAsync : ObjCRuntime.Class -> System.Threading.Tasks.Task<Foundation.INSItemProviderReading>
override this.LoadObjectAsync : ObjCRuntime.Class -> System.Threading.Tasks.Task<Foundation.INSItemProviderReading>
參數
- aClass
- Class
傳回
表示非同步 LoadObject 作業的工作。 TResult 參數的值的類型為 System.Action < Foundation.INSItemProviderReading,Foundation.NSError > 。
- 屬性
備註
LoadObjectAsync 方法適合與 C# 非同步搭配使用,方法是將控制項傳回給代表作業之 Task 的呼叫端。
即將加入。
適用於
LoadObjectAsync(Class, NSProgress)
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.WatchOS, 4, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 13, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 11, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual System.Threading.Tasks.Task<Foundation.INSItemProviderReading> LoadObjectAsync (ObjCRuntime.Class aClass, out Foundation.NSProgress result);
abstract member LoadObjectAsync : ObjCRuntime.Class * -> System.Threading.Tasks.Task<Foundation.INSItemProviderReading>
override this.LoadObjectAsync : ObjCRuntime.Class * -> System.Threading.Tasks.Task<Foundation.INSItemProviderReading>
參數
- aClass
- Class
- result
- NSProgress
傳回
- 屬性
適用於
LoadObjectAsync<T>()
[ObjCRuntime.TV(11, 0)]
[ObjCRuntime.Watch(4, 0)]
public System.Threading.Tasks.Task<T> LoadObjectAsync<T> () where T : Foundation.NSObject, Foundation.INSItemProviderReading;
member this.LoadObjectAsync : unit -> System.Threading.Tasks.Task<'T (requires 'T :> Foundation.NSObject and 'T :> Foundation.INSItemProviderReading)> (requires 'T :> Foundation.NSObject and 'T :> Foundation.INSItemProviderReading)
類型參數
- T
傳回
Task<T>
- 屬性
適用於
LoadObjectAsync<T>(NSProgress)
[ObjCRuntime.TV(11, 0)]
[ObjCRuntime.Watch(4, 0)]
public System.Threading.Tasks.Task<T> LoadObjectAsync<T> (out Foundation.NSProgress result) where T : Foundation.NSObject, Foundation.INSItemProviderReading;
member this.LoadObjectAsync : -> System.Threading.Tasks.Task<'T (requires 'T :> Foundation.NSObject and 'T :> Foundation.INSItemProviderReading)> (requires 'T :> Foundation.NSObject and 'T :> Foundation.INSItemProviderReading)
類型參數
- T
參數
- result
- NSProgress
傳回
Task<T>
- 屬性