private void ucmButtonActionPerformed( java.awt.event.ActionEvent evt) { // GEN-FIRST:event_ucmButtonActionPerformed // TODO add your handling code here: // mf.removeAll(); // mf.add(new UcmPanel()); MainFrame mf = McContext.getMainFrame(); mf.removeAll(); mf.add(new UcmPanel()); mf.validate(); mf.repaint(); mf.paintAll(mf.getGraphics()); mf.paintComponents(mf.getGraphics()); } // GEN-LAST:event_ucmButtonActionPerformed