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That is certainly a mouthful.

Why should you care about C#?

From the viewpoint of students in this course, here is some of what C# really is and why you should care about C#.

Complex IDE

To begin with, C# was designed to run in a large complex IDE. For example, using the Visual C# IDE to create the simple Hello World console program shown in Listing 1 generates about thirteen different files in about ten different folders.

Listing 1 . Hello World in C#.

using System; using System.Collections.Generic;using System.Linq; using System.Text;namespace Hello01{ class Hello01{static void Main(string[] args){Console.WriteLine("Hello C# World"); //Press any key to dismiss console screen.Console.ReadKey(); }//end Main}//end class }//end namespace

Is there a simpler way?

While is it possible to develop simple C# programs outside the IDE (see Baldwin's C# programming tutorials ), there are probably less than a few hundred people worldwide who do it that way.

The transition from the relatively simple IDE used in the prerequisite course to the very complex Visual C# IDE may be a stretch for some students.

Fully object oriented

C# is an object-oriented programming language. Unlike C++, it is not possible to develop C# projects without taking the object-oriented nature of C# intoaccount.

Perhaps more important, it is not possible to develop XNA programs without using some of the more complex aspects of OOP, such as the overriding of virtualmethods.

Massive and complex documentation package

The object-oriented nature of C# becomes very apparent when attempting to locate something in the massive XNA documentation package. The documentation iswritten from an object-oriented viewpoint. For example, see the documentation for the Microsoft.Xna.Framework.Graphics namespace here and see the documentation for the SpriteBatch class here .

Indirection

C# makes extensive use of indirection. While the indirection scheme used in C# is not as complicated as C++ pointers, for someone new to indirection,understanding the concept can sometimes be a challenging task.

C# is the language of XNA

C# is the programming language of the Microsoft XNA Game Studio. To write XNA programs, you must know how to write C# programs.

That is why you should care about C#. I won't try to turn you into a C# programming expert in this course. We have other courses at the college thatconcentrate solely on C# programming. Instead, I will simply try to help you learn enough about C# programming that you can do a credible job of writing programsusing the XNA Game Studio.

Run the program

Click here to download a zip file containing my version of the program. Extract the folder named ConsoleApplication1 from the zip file and save it somewhere on your disk. Start Visual C# 2010 Express and select Open Project... from the File menu. Navigate to the project folder and select the file with the extension of .sln . This should cause the project to open and be ready to run or debug as describedin the earlier module titled Getting Started .

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Xna0102-What is C# and Why Should You Care
  • File: Xna0102.htm
  • Published: 02/24/14
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download a PDF file for thismodule at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, you should beaware that some of the HTML elements in this module may not translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version of the module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale on Amazon.com showing me as the author. Ineither receive compensation for those sales nor do I know who does receive compensation. If you purchase such a book, please beaware that it is a copy of a module that is freely available on cnx.org and that it was made and published withoutmy prior knowledge.

Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

-end-

Questions & Answers

what is the coefficient of -4×
Mehri Reply
-1
Shedrak
the operation * is x * y =x + y/ 1+(x × y) show if the operation is commutative if x × y is not equal to -1
Alfred Reply
An investment account was opened with an initial deposit of $9,600 and earns 7.4% interest, compounded continuously. How much will the account be worth after 15 years?
Kala Reply
lim x to infinity e^1-e^-1/log(1+x)
given eccentricity and a point find the equiation
Moses Reply
12, 17, 22.... 25th term
Alexandra Reply
12, 17, 22.... 25th term
Akash
College algebra is really hard?
Shirleen Reply
Absolutely, for me. My problems with math started in First grade...involving a nun Sister Anastasia, bad vision, talking & getting expelled from Catholic school. When it comes to math I just can't focus and all I can hear is our family silverware banging and clanging on the pink Formica table.
Carole
I'm 13 and I understand it great
AJ
I am 1 year old but I can do it! 1+1=2 proof very hard for me though.
Atone
hi
Adu
Not really they are just easy concepts which can be understood if you have great basics. I am 14 I understood them easily.
Vedant
find the 15th term of the geometric sequince whose first is 18 and last term of 387
Jerwin Reply
I know this work
salma
The given of f(x=x-2. then what is the value of this f(3) 5f(x+1)
virgelyn Reply
hmm well what is the answer
Abhi
If f(x) = x-2 then, f(3) when 5f(x+1) 5((3-2)+1) 5(1+1) 5(2) 10
Augustine
how do they get the third part x = (32)5/4
kinnecy Reply
make 5/4 into a mixed number, make that a decimal, and then multiply 32 by the decimal 5/4 turns out to be
AJ
how
Sheref
can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
ninjadapaul
20/(×-6^2)
Salomon
okay, so you have 6 raised to the power of 2. what is that part of your answer
ninjadapaul
I don't understand what the A with approx sign and the boxed x mean
ninjadapaul
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
Salomon
I'm not sure why it wrote it the other way
Salomon
I got X =-6
Salomon
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
ninjadapaul
oops. ignore that.
ninjadapaul
so you not have an equal sign anywhere in the original equation?
ninjadapaul
hmm
Abhi
is it a question of log
Abhi
🤔.
Abhi
I rally confuse this number And equations too I need exactly help
salma
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salma
Commplementary angles
Idrissa Reply
hello
Sherica
im all ears I need to learn
Sherica
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Tamia
hii
Uday
hi
salma
hi
Ayuba
Hello
opoku
hi
Ali
greetings from Iran
Ali
salut. from Algeria
Bach
hi
Nharnhar
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
A soccer field is a rectangle 130 meters wide and 110 meters long. The coach asks players to run from one corner to the other corner diagonally across. What is that distance, to the nearest tenths place.
Kimberly Reply
Jeannette has $5 and $10 bills in her wallet. The number of fives is three more than six times the number of tens. Let t represent the number of tens. Write an expression for the number of fives.
August Reply
What is the expressiin for seven less than four times the number of nickels
Leonardo Reply
How do i figure this problem out.
how do you translate this in Algebraic Expressions
linda Reply
why surface tension is zero at critical temperature
Shanjida
I think if critical temperature denote high temperature then a liquid stats boils that time the water stats to evaporate so some moles of h2o to up and due to high temp the bonding break they have low density so it can be a reason
s.
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
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Source:  OpenStax, Xna game studio. OpenStax CNX. Feb 28, 2014 Download for free at https://legacy.cnx.org/content/col11634/1.6
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