By Heather Wright
Something that was once notable approximately this e-book is the author's definition of polymorphism. He says that Polymorphism is the facility to create many tools in a category with a similar identify yet with assorted signatures. In my my wisdom, that idea is named procedure overloading. Polymorphism is the power to name an analogous procedure on gadgets from diversified sessions that inherit from an identical superclass or interface.
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Extra resources for Beginning Visual C# 2005 Express Edition: From Novice to Professional (Beginning: from Novice to Professional)
It’s worth pointing out that in this new version of C#, you can have more than one source file define a single type, thanks to something called partial classes. In previous versions of Visual Studio, when you created a form and looked inside the form’s source file, you’d find a mass of information generated by Visual Studio itself. This could easily become very confusing, and was far too easy for someone to mess with and thus cause all sorts of problems for Visual Studio. NET 2005, this chaff seems to have been done away with.
If you look closely at the code, you’ll see the word #region beside the + sign, and further down a line that reads #endregion. The #region and #endregion keywords allow you to mark up a block of text as a region that can be collapsed and redisplayed, as you just saw. Getting back to the point, though, this particular region has a set of using statements inside it, which specify namespaces. Console to use the Console class. Instead you can just type Console. The using statement effectively removes the need to prefix class names with the namespace that they live in.
Qxd 22 4/10/06 12:50 PM Page 22 CHAPTER 1 ■ WELCOME TO C# EXPRESS All that remains is to put some code in to display the numbers. You can use IntelliSense for this as well. WriteL(i);. Again, don’t forget the semicolon. ReadLine(); } Run the application now, and your console window will display the numbers 1 to 10 and wait for you to hit the Enter key before closing down. NET BEFORE? NET, you may be interested to learn that IntelliSense can also automatically enclose your code with things called enclosing snippets.
Beginning Visual C# 2005 Express Edition: From Novice to Professional (Beginning: from Novice to Professional) by Heather Wright