> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/powershell-universal/da/apps/components/utilities/dynamic-regions.md).

# Dynamiske områder

Genindlæs sektioner af PowerShell Universal-apps efter behov med New-UDDynamic ved hjælp af argumenter, intervaller for automatisk opdatering og brugerdefinerede indlæsningskomponenter.

`New-UDDynamic` giver Dem mulighed for at definere et dynamisk område. Siderne er i sig selv dynamiske af natur. Det betyder, at PowerShell for siden køres, hver gang en side indlæses. Nogle gange vil De måske genindlæse en sektion af en side frem for selve hele siden. Det er her, De vil bruge dynamiske områder.

## Grundlæggende dynamisk region

Denne dynamiske region genindlæses, når der klikkes på knappen.

```powershell
New-UDApp -Title "Hello, World!" -Content {
    New-UDDynamic -Id 'date' -Content {
        New-UDTypography -Text "$(Get-Date)"
    }

    New-UDButton -Text 'Reload Date' -OnClick { Sync-UDElement -Id 'date' }
}
```

## Argumentliste

Et array af argumenter kan overføres til den dynamiske region.

```powershell
New-UDDynamic -Id 'dynamic_01' -Content {
    New-UDTypography -Text "This is an $($ArgumentList[0]) an $($ArgumentList[1]) in a UDDynamic"
} -ArgumentList @('example of', 'arguments list') 
```

De kan bruge `Sync-UDElement` til at ændre argumentværdierne.

```powershell
 New-UDDynamic -id DynamicRegion -ArgumentList 5,'hello' -content {
  foreach($item in $argumentList){
      New-UDTypography -Variant h3 -Text "Item: $item"
  }
 }

 New-UDButton -Text "Sync Dynamic" -onclick {
  Sync-UDElement -id DynamicRegion -ArgumentList 10,'World'
 }
```

## Automatisk opdatering

Dynamiske regioner giver mulighed for automatisk at opdatere komponenter efter et vist tidsrum. Hele regionens scriptblok køres ved automatisk opdatering.

{% hint style="info" %}
Hvis De har flere relaterede komponenter, der bruger de samme data, bør De overveje at placere dem i samme dynamiske område for at forbedre ydeevnen.
{% endhint %}

```powershell
    New-UDDynamic -Id 'date' -Content {
        New-UDTypography -Text "$(Get-Date)" -Variant h3
        New-UDTypography -Text "$(Get-Random)" -Variant h3
    } -AutoRefresh -AutoRefreshInterval 1
```

## Indlæsningskomponent

Nogle gange kan opdatering af en dynamisk komponent tage noget tid. Det kan f.eks. være, hvis De forespørger en anden tjenestes REST API eller data. Dynamiske områder understøtter konfiguration af den komponent, der vises, når området genindlæses. Som standard vises intet. Dette kan være en hvilken som helst app-komponent.

```powershell
    New-UDDynamic -Content {
        Start-Sleep -Seconds 3
        New-UDTypography -Text "Done!"
    } -LoadingComponent {
        New-UDProgress -Circular
    }
```

## API

[New-UDDynamic](/powershell-universal/da/powershell-kommandoer/new-uddynamic.md)

### Se også

* [Devolutions Academy – Brugerstatus/opdater brugeroplysninger](https://academy.devolutions.net/student/activity/3546046-part-5-user-status-refresh-user-details)


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