If 'Canvas Container' is used, then why background and rectangle is used in the same axes position, shape and size of canvas container. For clarity please visit the link attached and open the source files of 'Analysis by region '

If 'Canvas Container' is used, then why background and rectangle is used in the same axes position ,shape and size of  canvas container. For clarity please visit the link attached and open the source files of 'Analysis by region '.

Xcelsius 2008 - Demos and Sample Downloads