What is the purpose of the window property STOBJ that is associated with a window?
The purpose of this property is to be able to retrieve the Smalltalk object associated with a window, given the window handle. If the window is not maintained by Smalltalk (i.e., the window procedure is implemented elsewhere), the property will not be set. Back to Top I evaluated the following: [ ^self ] fork, and it raises an exception The return statement in a block returns from the method that defines the block. If you create a thread that executes this block, the new thread would attempt to return from a method context in a parallel thread, therefore switching the stack and crashing. And your original thread would crash as well because the other thread corrupted its stack. Therefore, the code that actually returns verifies that the return is valid, and raises a software exception if it cannot return.
