DispatcherExtensions.DispatchAsync 方法

定义

重载

DispatchAsync(IDispatcher, Action)

计划从工作线程在 UI 线程上提供的操作。

DispatchAsync(IDispatcher, Func<Task>)

从工作线程在 UI 线程上计划提供的函数。

DispatchAsync<T>(IDispatcher, Func<Task<T>>)

从工作线程在 UI 线程上计划提供的函数。

DispatchAsync<T>(IDispatcher, Func<T>)

计划从工作线程在 UI 线程上提供的回调,并异步返回结果。

DispatchAsync(IDispatcher, Action)

Source:
DispatcherExtensions.cs
Source:
DispatcherExtensions.cs

计划从工作线程在 UI 线程上提供的操作。

public:
[System::Runtime::CompilerServices::Extension]
 static System::Threading::Tasks::Task ^ DispatchAsync(Microsoft::Maui::Dispatching::IDispatcher ^ dispatcher, Action ^ action);
public static System.Threading.Tasks.Task DispatchAsync (this Microsoft.Maui.Dispatching.IDispatcher dispatcher, Action action);
static member DispatchAsync : Microsoft.Maui.Dispatching.IDispatcher * Action -> System.Threading.Tasks.Task
<Extension()>
Public Function DispatchAsync (dispatcher As IDispatcher, action As Action) As Task

参数

dispatcher
IDispatcher

调用 IDispatcher 此方法的实例。

action
Action

调度程序要执行的方法。

返回

Task.

适用于

DispatchAsync(IDispatcher, Func<Task>)

Source:
DispatcherExtensions.cs
Source:
DispatcherExtensions.cs

从工作线程在 UI 线程上计划提供的函数。

public:
[System::Runtime::CompilerServices::Extension]
 static System::Threading::Tasks::Task ^ DispatchAsync(Microsoft::Maui::Dispatching::IDispatcher ^ dispatcher, Func<System::Threading::Tasks::Task ^> ^ funcTask);
public static System.Threading.Tasks.Task DispatchAsync (this Microsoft.Maui.Dispatching.IDispatcher dispatcher, Func<System.Threading.Tasks.Task> funcTask);
static member DispatchAsync : Microsoft.Maui.Dispatching.IDispatcher * Func<System.Threading.Tasks.Task> -> System.Threading.Tasks.Task
<Extension()>
Public Function DispatchAsync (dispatcher As IDispatcher, funcTask As Func(Of Task)) As Task

参数

dispatcher
IDispatcher

调用 IDispatcher 此方法的实例。

funcTask
Func<Task>

调度程序要执行的函数。

返回

Task.

适用于

DispatchAsync<T>(IDispatcher, Func<Task<T>>)

Source:
DispatcherExtensions.cs
Source:
DispatcherExtensions.cs

从工作线程在 UI 线程上计划提供的函数。

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static System::Threading::Tasks::Task<T> ^ DispatchAsync(Microsoft::Maui::Dispatching::IDispatcher ^ dispatcher, Func<System::Threading::Tasks::Task<T> ^> ^ funcTask);
public static System.Threading.Tasks.Task<T> DispatchAsync<T> (this Microsoft.Maui.Dispatching.IDispatcher dispatcher, Func<System.Threading.Tasks.Task<T>> funcTask);
static member DispatchAsync : Microsoft.Maui.Dispatching.IDispatcher * Func<System.Threading.Tasks.Task<'T>> -> System.Threading.Tasks.Task<'T>
<Extension()>
Public Function DispatchAsync(Of T) (dispatcher As IDispatcher, funcTask As Func(Of Task(Of T))) As Task(Of T)

类型参数

T

从此方法返回的类型。

参数

dispatcher
IDispatcher

调用 IDispatcher 此方法的实例。

funcTask
Func<Task<T>>

调度程序要执行的函数。

返回

Task<T>

一个 Task<TResult> 对象,包含有关调度程序操作状态的信息。

适用于

DispatchAsync<T>(IDispatcher, Func<T>)

Source:
DispatcherExtensions.cs
Source:
DispatcherExtensions.cs

计划从工作线程在 UI 线程上提供的回调,并异步返回结果。

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static System::Threading::Tasks::Task<T> ^ DispatchAsync(Microsoft::Maui::Dispatching::IDispatcher ^ dispatcher, Func<T> ^ func);
public static System.Threading.Tasks.Task<T> DispatchAsync<T> (this Microsoft.Maui.Dispatching.IDispatcher dispatcher, Func<T> func);
static member DispatchAsync : Microsoft.Maui.Dispatching.IDispatcher * Func<'T> -> System.Threading.Tasks.Task<'T>
<Extension()>
Public Function DispatchAsync(Of T) (dispatcher As IDispatcher, func As Func(Of T)) As Task(Of T)

类型参数

T

从此方法返回的类型。

参数

dispatcher
IDispatcher

调用 IDispatcher 此方法的实例。

func
Func<T>

调度程序要执行的方法。

返回

Task<T>

一个 Task<TResult> 对象,包含有关调度程序操作状态的信息。

适用于