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# Upload

Tilføj filuploadkontrolelementer til PowerShell Universal-apps for at behandle uploadede filer på op til 2GB i formularer og steppere.

Komponenten UDUpload bruges til at uploade filer til Universal Apps. De kan behandle filer, som brugeren uploader. De modtager dataene for filen, et filnavn og filtypen, hvis den kan bestemmes af webbrowseren.

Denne komponent fungerer sammen med [UDForm](/powershell-universal/da/apps/components/inputs/form.md) og [UDStepper](/powershell-universal/da/apps/components/navigation/stepper.md).

## Upload af en fil

{% hint style="warning" %}
Upload understøtter kun filer på op til 2 GB i størrelse.
{% endhint %}

Uploader en fil og viser indholdet via en toast.

```powershell
New-UDUpload -OnUpload {
    Show-UDToast $Body
} -Text 'Upload'
```

Brødteksten i scriptblokken `OnUpload` er en JSON-streng med følgende format.

```javascript
{
  data: "base64 encoded string of data",
  name: "file name of the file uploaded",
  type: "file type as determined by the browser"
}
```

`$EventData` er et objekt med følgende struktur.

```csharp
public class Upload
{
    public string Name { get; set; }
    public string FileName { get; set; }
    public DateTime TimeStamp { get; set; }
    public string ContentType { get; set; }
    public string Type => ContentType;
}
```

## Upload af en fil med en formular

Uploader en fil som en del af en UDForm.

```powershell
New-UDForm -Content {
    New-UDUpload -Id 'myFile' -Text 'Upload File'
} -OnSubmit {
    Show-UDToast $Body 
}
```

Brødteksten i scriptblokken `OnSubmit` er den samme, som De vil se i enhver formular, og filen vil være indeholdt som et af felterne i formularen.

## Eksempel: upload af en fil og gem den i temp-kataloget

Dette eksempel giver en bruger mulighed for at uploade en fil. Når filen er uploadet, gemmes den i det midlertidige katalog.

```powershell
New-UDUpload -Text 'Upload Image' -OnUpload {
    $Data = $Body | ConvertFrom-Json 
    $bytes = [System.Convert]::FromBase64String($Data.Data)
    [System.IO.File]::WriteAllBytes("$env:temp\$($Data.Name)", $bytes)
}
```

## API

[**New-UDUpload**](/powershell-universal/da/powershell-kommandoer/new-udupload.md)


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