TaskFactory.FromAsync 方法

public:
 System::Threading::Tasks::Task ^ FromAsync(IAsyncResult ^ asyncResult, Action<IAsyncResult ^> ^ endMethod);

public System.Threading.Tasks.Task FromAsync(IAsyncResult asyncResult, Action<IAsyncResult> endMethod);

member this.FromAsync : IAsyncResult * Action<IAsyncResult> -> System.Threading.Tasks.Task

Public Function FromAsync (asyncResult As IAsyncResult, endMethod As Action(Of IAsyncResult)) As Task

參數

傳回

代表非同步操作的 A Task 。

例外狀況

備註

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
 System::Threading::Tasks::Task ^ FromAsync(Func<AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, System::Object ^ state);

public System.Threading.Tasks.Task FromAsync(Func<AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, object state);

member this.FromAsync : Func<AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * obj -> System.Threading.Tasks.Task

Public Function FromAsync (beginMethod As Func(Of AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), state As Object) As Task

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
 System::Threading::Tasks::Task ^ FromAsync(IAsyncResult ^ asyncResult, Action<IAsyncResult ^> ^ endMethod, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task FromAsync(IAsyncResult asyncResult, Action<IAsyncResult> endMethod, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : IAsyncResult * Action<IAsyncResult> * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task

Public Function FromAsync (asyncResult As IAsyncResult, endMethod As Action(Of IAsyncResult), creationOptions As TaskCreationOptions) As Task

參數

傳回

代表非同步操作的 A Task 。

例外狀況

備註

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
 System::Threading::Tasks::Task ^ FromAsync(Func<AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task FromAsync(Func<AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task

Public Function FromAsync (beginMethod As Func(Of AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), state As Object, creationOptions As TaskCreationOptions) As Task

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。 TaskCreationOptions這些值 PreferFairness、 LongRunningAttachedToParent 和 都是互斥的。 在 FromAsync 方法中，無論是 LongRunning 或 AttachedToParent 單獨都會使 出現 。ArgumentOutOfRangeException

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
 System::Threading::Tasks::Task ^ FromAsync(IAsyncResult ^ asyncResult, Action<IAsyncResult ^> ^ endMethod, System::Threading::Tasks::TaskCreationOptions creationOptions, System::Threading::Tasks::TaskScheduler ^ scheduler);

public System.Threading.Tasks.Task FromAsync(IAsyncResult asyncResult, Action<IAsyncResult> endMethod, System.Threading.Tasks.TaskCreationOptions creationOptions, System.Threading.Tasks.TaskScheduler scheduler);

member this.FromAsync : IAsyncResult * Action<IAsyncResult> * System.Threading.Tasks.TaskCreationOptions * System.Threading.Tasks.TaskScheduler -> System.Threading.Tasks.Task

Public Function FromAsync (asyncResult As IAsyncResult, endMethod As Action(Of IAsyncResult), creationOptions As TaskCreationOptions, scheduler As TaskScheduler) As Task

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2, typename TArg3, typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<TArg1, TArg2, TArg3, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task<TResult> FromAsync<TArg1,TArg2,TArg3,TResult>(Func<TArg1,TArg2,TArg3,AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<'TArg1, 'TArg2, 'TArg3, AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * 'TArg1 * 'TArg2 * 'TArg3 * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TArg1, TArg2, TArg3, TResult) (beginMethod As Func(Of TArg1, TArg2, TArg3, AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), arg1 As TArg1, arg2 As TArg2, arg3 As TArg3, state As Object, creationOptions As TaskCreationOptions) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2, typename TArg3, typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<TArg1, TArg2, TArg3, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, System::Object ^ state);

public System.Threading.Tasks.Task<TResult> FromAsync<TArg1,TArg2,TArg3,TResult>(Func<TArg1,TArg2,TArg3,AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, object state);

member this.FromAsync : Func<'TArg1, 'TArg2, 'TArg3, AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * 'TArg1 * 'TArg2 * 'TArg3 * obj -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TArg1, TArg2, TArg3, TResult) (beginMethod As Func(Of TArg1, TArg2, TArg3, AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), arg1 As TArg1, arg2 As TArg2, arg3 As TArg3, state As Object) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2, typename TArg3>
 System::Threading::Tasks::Task ^ FromAsync(Func<TArg1, TArg2, TArg3, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task FromAsync<TArg1,TArg2,TArg3>(Func<TArg1,TArg2,TArg3,AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<'TArg1, 'TArg2, 'TArg3, AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * 'TArg1 * 'TArg2 * 'TArg3 * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task

Public Function FromAsync(Of TArg1, TArg2, TArg3) (beginMethod As Func(Of TArg1, TArg2, TArg3, AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), arg1 As TArg1, arg2 As TArg2, arg3 As TArg3, state As Object, creationOptions As TaskCreationOptions) As Task

類型參數

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2, typename TArg3>
 System::Threading::Tasks::Task ^ FromAsync(Func<TArg1, TArg2, TArg3, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, System::Object ^ state);

public System.Threading.Tasks.Task FromAsync<TArg1,TArg2,TArg3>(Func<TArg1,TArg2,TArg3,AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, TArg1 arg1, TArg2 arg2, TArg3 arg3, object state);

member this.FromAsync : Func<'TArg1, 'TArg2, 'TArg3, AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * 'TArg1 * 'TArg2 * 'TArg3 * obj -> System.Threading.Tasks.Task

Public Function FromAsync(Of TArg1, TArg2, TArg3) (beginMethod As Func(Of TArg1, TArg2, TArg3, AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), arg1 As TArg1, arg2 As TArg2, arg3 As TArg3, state As Object) As Task

類型參數

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2, typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<TArg1, TArg2, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, TArg1 arg1, TArg2 arg2, System::Object ^ state);

public System.Threading.Tasks.Task<TResult> FromAsync<TArg1,TArg2,TResult>(Func<TArg1,TArg2,AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, TArg1 arg1, TArg2 arg2, object state);

member this.FromAsync : Func<'TArg1, 'TArg2, AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * 'TArg1 * 'TArg2 * obj -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TArg1, TArg2, TResult) (beginMethod As Func(Of TArg1, TArg2, AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), arg1 As TArg1, arg2 As TArg2, state As Object) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2, typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<TArg1, TArg2, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, TArg1 arg1, TArg2 arg2, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task<TResult> FromAsync<TArg1,TArg2,TResult>(Func<TArg1,TArg2,AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, TArg1 arg1, TArg2 arg2, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<'TArg1, 'TArg2, AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * 'TArg1 * 'TArg2 * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TArg1, TArg2, TResult) (beginMethod As Func(Of TArg1, TArg2, AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), arg1 As TArg1, arg2 As TArg2, state As Object, creationOptions As TaskCreationOptions) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2>
 System::Threading::Tasks::Task ^ FromAsync(Func<TArg1, TArg2, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, TArg1 arg1, TArg2 arg2, System::Object ^ state);

public System.Threading.Tasks.Task FromAsync<TArg1,TArg2>(Func<TArg1,TArg2,AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, TArg1 arg1, TArg2 arg2, object state);

member this.FromAsync : Func<'TArg1, 'TArg2, AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * 'TArg1 * 'TArg2 * obj -> System.Threading.Tasks.Task

Public Function FromAsync(Of TArg1, TArg2) (beginMethod As Func(Of TArg1, TArg2, AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), arg1 As TArg1, arg2 As TArg2, state As Object) As Task

類型參數

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TArg2>
 System::Threading::Tasks::Task ^ FromAsync(Func<TArg1, TArg2, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, TArg1 arg1, TArg2 arg2, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task FromAsync<TArg1,TArg2>(Func<TArg1,TArg2,AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, TArg1 arg1, TArg2 arg2, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<'TArg1, 'TArg2, AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * 'TArg1 * 'TArg2 * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task

Public Function FromAsync(Of TArg1, TArg2) (beginMethod As Func(Of TArg1, TArg2, AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), arg1 As TArg1, arg2 As TArg2, state As Object, creationOptions As TaskCreationOptions) As Task

類型參數

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<TArg1, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, TArg1 arg1, System::Object ^ state);

public System.Threading.Tasks.Task<TResult> FromAsync<TArg1,TResult>(Func<TArg1,AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, TArg1 arg1, object state);

member this.FromAsync : Func<'TArg1, AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * 'TArg1 * obj -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TArg1, TResult) (beginMethod As Func(Of TArg1, AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), arg1 As TArg1, state As Object) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1, typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<TArg1, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, TArg1 arg1, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task<TResult> FromAsync<TArg1,TResult>(Func<TArg1,AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, TArg1 arg1, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<'TArg1, AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * 'TArg1 * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TArg1, TResult) (beginMethod As Func(Of TArg1, AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), arg1 As TArg1, state As Object, creationOptions As TaskCreationOptions) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1>
 System::Threading::Tasks::Task ^ FromAsync(Func<TArg1, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, TArg1 arg1, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task FromAsync<TArg1>(Func<TArg1,AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, TArg1 arg1, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<'TArg1, AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * 'TArg1 * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task

Public Function FromAsync(Of TArg1) (beginMethod As Func(Of TArg1, AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), arg1 As TArg1, state As Object, creationOptions As TaskCreationOptions) As Task

類型參數

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TArg1>
 System::Threading::Tasks::Task ^ FromAsync(Func<TArg1, AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Action<IAsyncResult ^> ^ endMethod, TArg1 arg1, System::Object ^ state);

public System.Threading.Tasks.Task FromAsync<TArg1>(Func<TArg1,AsyncCallback,object,IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, TArg1 arg1, object state);

member this.FromAsync : Func<'TArg1, AsyncCallback, obj, IAsyncResult> * Action<IAsyncResult> * 'TArg1 * obj -> System.Threading.Tasks.Task

Public Function FromAsync(Of TArg1) (beginMethod As Func(Of TArg1, AsyncCallback, Object, IAsyncResult), endMethod As Action(Of IAsyncResult), arg1 As TArg1, state As Object) As Task

類型參數

參數

傳回

所創造 Task 的代表非同步操作。

例外狀況

備註

beginMethod代表會被啟動在正在FromAsync執行的執行緒。 此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(IAsyncResult ^ asyncResult, Func<IAsyncResult ^, TResult> ^ endMethod, System::Threading::Tasks::TaskCreationOptions creationOptions, System::Threading::Tasks::TaskScheduler ^ scheduler);

public System.Threading.Tasks.Task<TResult> FromAsync<TResult>(IAsyncResult asyncResult, Func<IAsyncResult,TResult> endMethod, System.Threading.Tasks.TaskCreationOptions creationOptions, System.Threading.Tasks.TaskScheduler scheduler);

member this.FromAsync : IAsyncResult * Func<IAsyncResult, 'Result> * System.Threading.Tasks.TaskCreationOptions * System.Threading.Tasks.TaskScheduler -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TResult) (asyncResult As IAsyncResult, endMethod As Func(Of IAsyncResult, TResult), creationOptions As TaskCreationOptions, scheduler As TaskScheduler) As Task(Of TResult)

類型參數

參數

傳回

代表非同步操作的 A Task<TResult> 。

例外狀況

備註

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(IAsyncResult ^ asyncResult, Func<IAsyncResult ^, TResult> ^ endMethod, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task<TResult> FromAsync<TResult>(IAsyncResult asyncResult, Func<IAsyncResult,TResult> endMethod, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : IAsyncResult * Func<IAsyncResult, 'Result> * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TResult) (asyncResult As IAsyncResult, endMethod As Func(Of IAsyncResult, TResult), creationOptions As TaskCreationOptions) As Task(Of TResult)

類型參數

參數

傳回

代表非同步操作的 A Task<TResult> 。

例外狀況

備註

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, System::Object ^ state);

public System.Threading.Tasks.Task<TResult> FromAsync<TResult>(Func<AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, object state);

member this.FromAsync : Func<AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * obj -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TResult) (beginMethod As Func(Of AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), state As Object) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL

public:
generic <typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(IAsyncResult ^ asyncResult, Func<IAsyncResult ^, TResult> ^ endMethod);

public System.Threading.Tasks.Task<TResult> FromAsync<TResult>(IAsyncResult asyncResult, Func<IAsyncResult,TResult> endMethod);

member this.FromAsync : IAsyncResult * Func<IAsyncResult, 'Result> -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TResult) (asyncResult As IAsyncResult, endMethod As Func(Of IAsyncResult, TResult)) As Task(Of TResult)

類型參數

參數

傳回

代表非同步操作的 A Task<TResult> 。

例外狀況

備註

另請參閱

• 工作平行程式庫 (TPL)
• 使用接續工作串聯任務
• 工作取消

public:
generic <typename TResult>
 System::Threading::Tasks::Task<TResult> ^ FromAsync(Func<AsyncCallback ^, System::Object ^, IAsyncResult ^> ^ beginMethod, Func<IAsyncResult ^, TResult> ^ endMethod, System::Object ^ state, System::Threading::Tasks::TaskCreationOptions creationOptions);

public System.Threading.Tasks.Task<TResult> FromAsync<TResult>(Func<AsyncCallback,object,IAsyncResult> beginMethod, Func<IAsyncResult,TResult> endMethod, object state, System.Threading.Tasks.TaskCreationOptions creationOptions);

member this.FromAsync : Func<AsyncCallback, obj, IAsyncResult> * Func<IAsyncResult, 'Result> * obj * System.Threading.Tasks.TaskCreationOptions -> System.Threading.Tasks.Task<'Result>

Public Function FromAsync(Of TResult) (beginMethod As Func(Of AsyncCallback, Object, IAsyncResult), endMethod As Func(Of IAsyncResult, TResult), state As Object, creationOptions As TaskCreationOptions) As Task(Of TResult)

類型參數

參數

傳回

所創造 Task<TResult> 的代表非同步操作。

例外狀況

備註

此方法會拋出由 beginMethod投擲的任何異常。

另請參閱

• 工作平行程式庫 (TPL)
• 在其他非同步模式中使用 TPL