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4-6 SOMobjects Base Toolkit Programmers Reference
Manual
Example
The following figure shows an invocation of “myMethod” on “myObject”. Because
“myObject” is an instance of a class whose metaclass is a subclass of SOMMBeforeAfter,
“myMethod” is preceded by an invocation of sommBeforeMethod (note the user does not
actually code the method). The adjacent figure illustrates the meaning of the parameters to
sommBeforeMethod.
sommBeforeMethod(receiver, ev, myObject, ...)
myMethod(myObject,...)
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An Example of Using sommBeforeMethod
Legend:
Subclass ofInstance of
Metaclass Class Ordinary Object
“myObject”
“receiver”
aMetaclass
SOMMBeforeAfter
Original Class
SOMMBeforeAfter
Related Information
Methods: sommAfterMethod
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