Sort of Window Title Bar above ToolBar

        /// <summary>
        /// CommandBar Toolbar maken voor TreeView
        /// </summary>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool cmdAlleDossiers_CreateToolBar()
        {
            try
            {
                //eerst verwijderen
                cmdAlleDossiers.DeleteAll();
                var toolBar = cmdAlleDossiers.Add("Filteren", XTPBarPosition.xtpBarTop);
                var controls = toolBar.Controls;
                controls.Add(XTPControlType.xtpControlLabel, 000, "Zoeken :", true, true);
                var customCombobox = controls.Add(XTPControlType.xtpControlCustom, ID.SEARCH_DOSSIER, "", true, true) as CommandBarControlCustom;
 
                if (customCombobox != null) customCombobox.Handle = cbTreeViewAutoComplete.Handle.ToInt32();
 
                cbTreeViewAutoComplete.Visible = false;
 
                toolBar.Closeable = false;
                toolBar.ShowGripper = false;
 
                cmdAlleDossiers.Dock = DockStyle.Top;
 
                try
                {
                    cmdAlleDossiers.Height = 26;
 
                    int left, top, right, bottom;
                    cmdAlleDossiers.GetClientRect(out left, out top, out right, out bottom);
 
                    panelDossierObjects.Top = cmdAlleDossiers.Bottom;
                    panelDossierObjects.Height = bottom - top;
                    panelDossierObjects.Left = left;
                    panelDossierObjects.Width = right - left;
                }
                catch (Exception ex)
                {
                    var dmsEx = new DmsException("Fout bij het koppelen van panel aan toolbar", "Dossiers ToolBar", 306, ex);
                    ExceptionLogger.LogError(dmsEx);
                }
 
                return true;
            }
            catch (Exception ex)
            {
                var dmsEx = new DmsException("Fout bij het maken van dossiers toolbar", "Dossiers Toolbar", 307, ex);
                ExceptionLogger.LogError(dmsEx);
                return false;
            }
        }