Sometimes, because of the ROOT environment in which they operate,
C++ statements have side effects that are not readily apparent.
For example, there is alway a current pad, which is an object
used to manage graphics output. Each time an object is sent
the Draw message, it gets added to this pad.
This section will identify important side effects of the current statement.
Go Back to the
The Example Macros Top Page
If you have any comments about this page please send them to