February 2014
Intermediate to advanced
1560 pages
50h 21m
English
Content preview from Professional C# 5.0 and .NET 4.5.1
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Chapter 20Diagnostics
WHAT’S IN THIS CHAPTER?
- Code contracts
- Tracing
- Event logging
- Performance monitoring
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
The wrox.com code downloads for this chapter are found at www.wrox.com/go/procsharp on the Download Code tab. The code for this chapter is divided into the following major examples:
- Code Contracts
- Tracing Demo
- Tracing Demo with
EventLog EventSourceSample- Event Log
- Event Log Reader
- Performance Counter
DIAGNOSTICS OVERVIEW
This chapter explains how to get real-time information about your running application in order to identify any issues that it might have during production or to monitor resource usage to ensure that higher user loads can be accommodated. This is where the namespace System.Diagnostics comes into play. This namespace offers classes for tracing, event logging, performance counts, and code contracts.
One way to deal with errors in your application, of course, is by throwing exceptions. However, an application might not fail with an exception, but still not behave as expected. The application might be running well on most systems but have a problem on a few. On the live system, you can change the log behavior by changing a configuration value and get detailed live information about what’s going on in the application. This can be done with tracing.
If there are problems with applications, the system administrator needs to be informed. The Event Viewer is a commonly used tool that not only the system administrator ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.