David R. Totzke

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In this article we will take a look at the Exception Management Application Block. Application building blocks are tested reference implementations of various application subsystems. These blocks are provided by the Patterns and Practices group at Microsoft and are designed to address common subsystem challenges across a broad range of scenarios. Exception Handling Up until March 2004 I supported a DOS (yes, you heard me - DOS) application that every so often would produce the following output: Runtime Error 1 00D4: 0FFB Press Any Key to Continue... It would exhibit this behavior during nightly batch processing and was quite happy to display this message until I returned to the office in the morning to discover it. Nothing in the log; no hints as to the cause; nothing. Sometimes things go wrong. I can deal with that. What bothered me most about this particular error w... (more)