<?php class NestedActiveControls extends TPage { function callback1_requested($sender, $param) { $this->content1->visible = true; $this->panel1->render($param->NewWriter); } function button1_clicked($sender, $param) { $this->label1->Text = "Label 1: Button 1 Clicked"; $this->label2->Text = "Label 2: Button 1 Clicked"; $this->label3->Text = "Label 3: Button 1 Clicked"; } } ?>