function Update-TreeView {
    Param(
        [System.Collections.Hashtable] $ConfigurationData
    )
    if ($null -ne $ConfigurationData) {
        $tempBuilder = [TreeViewBuilder]::new()
        $tempBuilder.control = $treeView
        $tempBuilder.LoadTemplate($ConfigurationData['Resources'], "Deployment")
        $statusBar.SetText("Status", "Merged: Anzeige aktualisiert")
        $stateManager.SetState("isMerged", $true)
        $stateManager.UpdateAllButtons()

        # Parameter und Variablen Panel aktualisieren
        Update-ParametersPanel -ConfigurationData $ConfigurationData

    }
    else {
        $treeView.Nodes.Clear()
        $treeView.Nodes.Add('No merged data') | Out-Null
        $statusBar.SetText("Status", "Kein Merge vorhanden")

        # Panel ausblenden
        $parametersPanel.Visible = $false
    }
}