public boolean isResizable(Component c) {
boolean resizable = true;
if (c instanceof JDialog) {
JDialog dialog = (JDialog) c;
resizable = dialog.isResizable();
} else if (c instanceof JInternalFrame) {
JInternalFrame frame = (JInternalFrame) c;
resizable = frame.isResizable();
} else if (c instanceof JRootPane) {
JRootPane jp = (JRootPane) c;
if (jp.getParent() instanceof JFrame) {
JFrame frame = (JFrame) c.getParent();
resizable = frame.isResizable();
} else if (jp.getParent() instanceof JDialog) {
JDialog dialog = (JDialog) c.getParent();
resizable = dialog.isResizable();
}
}
return resizable;
}
