})} },System.IObservable{System.Boolean})} },System.Reactive.Concurrency.IScheduler)} },System.IObservable{System.Boolean},System.Reactive.Concurrency.IScheduler)} })} },System.IObservable{System.Boolean})} },System.Reactive.Concurrency.IScheduler)} },System.IObservable{System.Boolean},System.Reactive.Concurrency.IScheduler)}
ReactiveCommand.CreateFromObservable(Func>) method¶
Defined in
Type: ReactiveCommand
Namespace: ReactiveUI.Reactive
Assembly: ReactiveUI.Reactive.dll
Applies to
net10.0, net10.0-maccatalyst26.0, net10.0-desktop1.0, net10.0-browserwasm1.0, net10.0-tvos26.0, net10.0-windows10.0.19041, net10.0-macos26.0, net10.0-ios26.0, net10.0-android36.0, net9.0, net9.0-tvos18.0, net9.0-macos15.0, net9.0-maccatalyst18.0, net9.0-windows10.0.19041, net9.0-ios18.0, net9.0-desktop1.0, net8.0, net8.0-windows10.0.19041, net8.0-ios18.0, net8.0-maccatalyst18.0, net8.0-macos15.0, net8.0-tvos18.0, net8.0-ios17.5, net8.0-maccatalyst17.5, net8.0-macos14.5, netstandard2.1, net481, net462, net471
Overloads¶
- 1.
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute) - 2.
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute, IObservable<bool>? canExecute) - 3.
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute, IScheduler? outputScheduler) - 4.
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute, IObservable<bool>? canExecute, IScheduler? outputScheduler) - 5.
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute) - 6.
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute, IObservable<bool>? canExecute) - 7.
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute, IScheduler? outputScheduler) - 8.
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute, IObservable<bool>? canExecute, IScheduler? outputScheduler)
1. Overload¶
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute)
Summary: Creates a parameterless reactive command with asynchronous observable execution logic.
Type parameters
| Name | Description |
|---|---|
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
Returns: ReactiveCommand
2. Overload¶
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute, IObservable<bool>? canExecute)
Summary: Creates a parameterless reactive command with asynchronous observable execution logic.
Type parameters
| Name | Description |
|---|---|
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
canExecute | IObservable | An optional observable that dictates the availability of the command for execution. |
Returns: ReactiveCommand
3. Overload¶
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute, IScheduler? outputScheduler)
Summary: Creates a parameterless reactive command with asynchronous observable execution logic.
Type parameters
| Name | Description |
|---|---|
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
outputScheduler | [IScheduler?](# | An optional scheduler that is used to surface events. Defaults to RxSchedulers.MainThreadScheduler. |
Returns: ReactiveCommand
Exceptions
| Type | Condition |
|---|---|
| System.ArgumentNullException | execute. |
4. Overload¶
public static ReactiveCommand<Unit, TResult> CreateFromObservable<TResult>(Func<IObservable<TResult>> execute, IObservable<bool>? canExecute, IScheduler? outputScheduler)
Summary: Creates a parameterless ReactiveCommand with asynchronous execution logic.
Type parameters
| Name | Description |
|---|---|
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
canExecute | IObservable | An optional observable that dictates the availability of the command for execution. |
outputScheduler | [IScheduler?](# | An optional scheduler that is used to surface events. Defaults to RxSchedulers.MainThreadScheduler. |
Returns: ReactiveCommandReactiveCommand instance.
5. Overload¶
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute)
Summary: Creates a reactive command with asynchronous observable execution logic that takes a parameter of type TParam.
Type parameters
| Name | Description |
|---|---|
TParam | The type of the parameter passed through to command execution. |
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
Returns: ReactiveCommand
6. Overload¶
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute, IObservable<bool>? canExecute)
Summary: Creates a reactive command with asynchronous observable execution logic that takes a parameter of type TParam.
Type parameters
| Name | Description |
|---|---|
TParam | The type of the parameter passed through to command execution. |
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
canExecute | IObservable | An optional observable that dictates the availability of the command for execution. |
Returns: ReactiveCommand
7. Overload¶
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute, IScheduler? outputScheduler)
Summary: Creates a reactive command with asynchronous observable execution logic that takes a parameter of type TParam.
Type parameters
| Name | Description |
|---|---|
TParam | The type of the parameter passed through to command execution. |
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
outputScheduler | [IScheduler?](# | An optional scheduler that is used to surface events. Defaults to RxSchedulers.MainThreadScheduler. |
Returns: ReactiveCommand
Exceptions
| Type | Condition |
|---|---|
| System.ArgumentNullException | execute. |
8. Overload¶
public static ReactiveCommand<TParam, TResult> CreateFromObservable<TParam, TResult>(Func<TParam, IObservable<TResult>> execute, IObservable<bool>? canExecute, IScheduler? outputScheduler)
Summary: Creates a ReactiveCommand with asynchronous execution logic that takes a parameter of type TParam.
Type parameters
| Name | Description |
|---|---|
TParam | The type of the parameter passed through to command execution. |
TResult | The type of the command's result. |
Parameters
| Name | Type | Description |
|---|---|---|
execute | Func | Provides an observable representing the command's asynchronous execution logic. |
canExecute | IObservable | An optional observable that dictates the availability of the command for execution. |
outputScheduler | [IScheduler?](# | An optional scheduler that is used to surface events. Defaults to RxSchedulers.MainThreadScheduler. |
Returns: ReactiveCommandReactiveCommand instance.