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[Blazor] Event handling - first InvokeAsync example with args (#32085)

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Robert Haken 2024-03-20 11:45:37 +01:00 committed by GitHub
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aspnetcore/blazor/components/event-handling.md
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@ -635,9 +635,11 @@ Prefer the strongly typed <xref:Microsoft.AspNetCore.Components.EventCallback%60
Invoke an <xref:Microsoft.AspNetCore.Components.EventCallback> or <xref:Microsoft.AspNetCore.Components.EventCallback%601> with <xref:Microsoft.AspNetCore.Components.EventCallback.InvokeAsync%2A> and await the <xref:System.Threading.Tasks.Task>:
```csharp
await OnClickCallback.InvokeAsync();
await OnClickCallback.InvokeAsync({ARGUMENT});
```
In the preceding example, the `{ARGUMENT}` placeholder is an optional argument.
The following parent-child example demonstrates the technique.
`Child2.razor`: