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    Question Circular object references

    I'm having an issue with object references and garbage collection. Maybe I'm doing something completely wrong or there is any best practice I did not find. Simplified, I have 2 classes where one is instantiiating the other, let's call Parent and Child. Because I need access to some public...
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    Problems to catch manualy raised AppError

    I cannot catch an Progress.Lang.AppError in the calling program if there is no preceeding Progress.Lang.SysError. Here's the simplified example: TestClass2.cls: routine-level on error undo, throw. class TestClass2: method public void ProduceManualError (): do on error undo, leave: if...
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    Serious performance problems

    Hello Community! I know this is maybe thread number 1000 concerning performance, but I have a problem I cannot cope with. There is a major part in our software (creating orders) where runtime is from about 2000ms to 30 seconds and more. It’s not possible to reproduce, in any test I did, I...
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    Using socket communication within classes

    Hi folks! I have a tricky problem with socket communication and classes. It is a fact that it is not possible to use input blocking statements (PROPMT-FOR, SET, UPDATE, WAIT-FOR, READKEY and PROCESS EVENTS) within user-defined functions. That means it is also not possible to use this statement...
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