DispatcherExtensions.BeginInvoke Method
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Executes the specified delegate asynchronously on the thread that the Dispatcher was created on.
| BeginInvoke(Dispatcher, Action) |
Executes the specified delegate asynchronously with normal priority on the thread that the specified Dispatcher was created on. |
| BeginInvoke(Dispatcher, Action, DispatcherPriority) |
Executes the specified delegate asynchronously with the specified priority on the thread that the specified Dispatcher was created on. |
Executes the specified delegate asynchronously with normal priority on the thread that the specified Dispatcher was created on.
public:
[System::Runtime::CompilerServices::Extension]
static System::Windows::Threading::DispatcherOperation ^ BeginInvoke(System::Windows::Threading::Dispatcher ^ dispatcher, Action ^ action);public static System.Windows.Threading.DispatcherOperation BeginInvoke(this System.Windows.Threading.Dispatcher dispatcher, Action action);[System.ComponentModel.Browsable(false)]
public static System.Windows.Threading.DispatcherOperation BeginInvoke(this System.Windows.Threading.Dispatcher dispatcher, Action action);static member BeginInvoke : System.Windows.Threading.Dispatcher * Action -> System.Windows.Threading.DispatcherOperation[<System.ComponentModel.Browsable(false)>]
static member BeginInvoke : System.Windows.Threading.Dispatcher * Action -> System.Windows.Threading.DispatcherOperation<Extension()>
Public Function BeginInvoke (dispatcher As Dispatcher, action As Action) As DispatcherOperationParameters
- dispatcher
- Dispatcher
The dispatcher that executes the delegate.
- action
- Action
The delegate to execute, which takes no arguments and does not return a value.
Returns
An IAsyncResult object that represents the result of the BeginInvoke(Dispatcher, Action) operation.
- Attributes
Exceptions
action is null.
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
Executes the specified delegate asynchronously with the specified priority on the thread that the specified Dispatcher was created on.
public:
[System::Runtime::CompilerServices::Extension]
static System::Windows::Threading::DispatcherOperation ^ BeginInvoke(System::Windows::Threading::Dispatcher ^ dispatcher, Action ^ action, System::Windows::Threading::DispatcherPriority priority);public static System.Windows.Threading.DispatcherOperation BeginInvoke(this System.Windows.Threading.Dispatcher dispatcher, Action action, System.Windows.Threading.DispatcherPriority priority);[System.ComponentModel.Browsable(false)]
public static System.Windows.Threading.DispatcherOperation BeginInvoke(this System.Windows.Threading.Dispatcher dispatcher, Action action, System.Windows.Threading.DispatcherPriority priority);static member BeginInvoke : System.Windows.Threading.Dispatcher * Action * System.Windows.Threading.DispatcherPriority -> System.Windows.Threading.DispatcherOperation[<System.ComponentModel.Browsable(false)>]
static member BeginInvoke : System.Windows.Threading.Dispatcher * Action * System.Windows.Threading.DispatcherPriority -> System.Windows.Threading.DispatcherOperation<Extension()>
Public Function BeginInvoke (dispatcher As Dispatcher, action As Action, priority As DispatcherPriority) As DispatcherOperationParameters
- dispatcher
- Dispatcher
The dispatcher that executes the delegate.
- action
- Action
The delegate to execute, which takes no arguments and does not return a value.
- priority
- DispatcherPriority
The execution priority of the delegate relative to other pending operations in the Dispatcher event queue.
Returns
An IAsyncResult object that represents the result of the BeginInvoke(Dispatcher, Action, DispatcherPriority) operation.
- Attributes
Exceptions
action is null.
priority is not a valid DispatcherPriority.
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
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