function Import-ConfigurationData {
    $result = (
        [DialogBuilder]::OpenFile().
        SetTitle("Templates auswählen").
        SetCommonFilter("PSD1").
        SetMultiselect($true).
        SetInitialDirectory($settingsManager.Get("DeploymentPath")).
        Show()
    )
    if ($result.Result) {
        foreach ($file in $result.FileNames) {
            $newItem = New-Object PSObject -Property @{ BaseName = [System.IO.Path]::GetFileNameWithoutExtension($file); FullName = $file }
            $selectionList.Items.Add($newItem)
            $stateManager.SetState("hasSelection", $true)
            $stateManager.SetState("isMerged", $false)
            $stateManager.UpdateAllButtons()
            $statusBar.SetText("Status", "Zur Auswahl hinzugefügt: $($file.fullPath)")
        }
        Merge-Templates
    }
}