The Variable Viewer

In the Source Editor

Press Run.
The Program Arguments dialog appears. Press Ok, and the application starts and then stops at the first breakpoint.
Double-click on

constraint in the line preceding the breakpoint to highlight it.
To view constraint , press Print.
The constraint object is displayed in the Variable Viewer.
In the Variable Viewer

- Expand the node to see the member variables by clicking on the node next to

Object constraint .
As you can see, constraint.gridheight has the value 1, as expected.

- Back in the Source Editor, to continue the execution of the application, press Cont.
The application stops at the next breakpoint.
- In the Variable Viewer, choose View > Update.
The Variable Viewer now shows the new value of constraint.gridheight to be 4, the value at the previous breakpoint [1] is also shown.