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Beginning C# 6.0 Programming with Visual Studio 2015 by Jon D. Reid, Jacob Vibe Hammer, Benjamin Perkins

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Chapter 6Functions

Wrox.com Code Downloads for this Chapter

You can find the wrox.com code downloads for this chapter at www.wrox.com/go/beginningvisualc#2015programming on the Download Code tab. The code is in the Chapter 6 download and individually named according to the names throughout the chapter.

All the code you have seen so far has taken the form of a single block, perhaps with some looping to repeat lines of code, and branching to execute statements conditionally. Performing an operation on your data has meant placing the code required right where you want it to work.

This kind of code structure is limited. Often, some tasks — such as finding the highest value in an array, for example — might need to be performed at several points in a program. You can place identical (or nearly identical) sections of code in your application whenever necessary, but this has its own problems. Changing even one minor detail concerning a common task (to correct a code error, for example) can require changes to multiple sections of code, which can be spread throughout the application. Missing one of these can have dramatic consequences and cause the whole application ...

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