| 摘要 |
A method and system for integrating external functions into an application environment. The system includes an application environment, and a predetermined interface for communicating with an external function library. External functions offered by the external function library are integrated into the application environment such that they can be used in a formula as if they were native functions. According to another embodiment, an application environment is provided which implements pass by asynchronous-access-mechanism variables, and enables an external function to have access to a user interface object after the function has returned from an invocation.
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