function Update-TreeView {
    Param(
        [System.Collections.Hashtable] $ConfigurationData
    )
    if ($null -ne $ConfigurationData) {
        $tempBuilder = [TreeViewBuilder]::new()
        $tempBuilder.control = $treeView
        if($ConfigurationData.ContainsKey("Resources")){
            $tempBuilder.LoadTemplate($ConfigurationData['Resources'], "Deployment")
        }else{
            $treeView.Nodes.Clear()
            $treeView.Nodes.Add("No resources found") | Out-Null
        }
        $statusBar.SetText("Status", "Merged: Anzeige aktualisiert")
        $stateManager.SetState("isMerged", $true)
        $stateManager.SetState("isResolved", $null -ne $script:ResolvedConfigurationData)
        $stateManager.UpdateAllButtons()

        # Parameter und Variablen Panel aktualisieren
        if($null -ne $script:MergedConfigurationData){
            Update-ParametersPanel -ConfigurationData $script:MergedConfigurationData
        }else{
            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
    }
}