UppApp::UppApp()
{
	CtrlLayout ( *this, "UppApp" );

	canvas.SetRect(100,0, 500, 500 ); // <---- setting the canvas size here
	
	CtrlLayout ( buttonPanel );

	buttonPanel.aBtn << THISBACK1 ( displayMessage, "A" );
	buttonPanel.bBtn << THISBACK1 ( displayMessage, "B" );
	buttonPanel.cBtn << THISBACK1 ( displayMessage, "C" );

	Add ( buttonPanel );
	Add ( canvas );
	BackPaint();
}