# Create a top-level window containing a canvas displaying a simple
# graph with data points that can be dragged with the pointing device.
my($demo) = @_;
$TOP = $MW->WidgetDemo(
-name => $demo,
-text => "This window displays a canvas widget containing a simple 2-dimensional plot. You can doctor the data by dragging any of the points with mouse button 1.\n\nYou can also select a printable area with the mouse button 2.",