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Global variables
Global variables are known system wide. You can find them together with the class names in the system dictionary Smalltalk.
You can open an inspector on all global variables by evaluating the following code in a Workspace or Transcript:
Utilities inspectGlobals
The following global variables can be found in the standard image:
| Variable | Comment |
| Display | Display references an instance of class DisplayScreen |
| GIFImports | |
| Processor | This variables references an instance of ProcessorScheduler which represents the Processor of the system. |
| ScheduledControllers | ScheduledControllers represents an instance of ControlManager |
| Sensor | The input sensor of the system |
| Smalltalk | Smalltalk references an SystemDictionary instance with all class names and global variables |
| SourceFiles | This variable references an Array with two instances of class StandardFileStream. These streams are opened on the sources and teh changes file |
| SystemOrganization | The variable references an instance of SystemOrganizer usefull for browsers |
| TextConstants | TextConstants references a Dictionary with defualt text constants |
| Transcript | This variable represents the Transcript window of the system (an instance of TextCollector) |
| Undeclared | |
| World |
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