
                 <dd>creates a new vertical box layout with draggable dividers and with all properties set to defaults.
             The output is a new layout object that can be used as the parent for other user-interface components.</dd>
                 
                 <dt><code class="OUTARG">obj</code><code class="FUNCTION"> = uiextras.VBoxFlex(</code><code class="INARG">&nbsp;prop</code><code class="FUNCTION">,</code><code class="INARG">&nbsp;value</code><code class="FUNCTION">,</code><code class="