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PowerBuilder in Action

Maggie Lv

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Like any standard .NET application, the PowerBuilder .NET application follows the common language runtime rules regarding the permissions needed to do the operation the application aims to do. The code access security (CAS) provided by the .NET Framework is a security mechanism that a real application follows to evaluate whether the operation or code can be trusted or rejected according to where the code originates, who signs the code, and what the code intends to do. Let me explain the CAS process with an example. Say there's an internal project meeting scheduled at a company and someone wants to attend that meeting. Our rules for the attendees are: If you are a full-time employee and usually in the office, you can attend the meeting and access the meeting resources without restriction. If you are a full-time employee, but not regularly in the office, your employee... (more)