C# Array Extend Ability ?

I heard from my friend that array in C# can be extended. I tried to find the .Net framework but no result so far.
Is that true? If yes, how should I do that?
Thanks in advance

Maybe you can look into C# ArrayList

Tks for that.
Well, then the ArrayList class in C# is somehow exactly Vector class in Java 

Noogard wrote:

Tks for that. Well, then the ArrayList class in C# is somehow exactly Vector class in Java

Yeah

chuawenching wrote:

Noogard wrote: Tks for that. Well, then the ArrayList class in C# is somehow exactly Vector class in Java  Yeah

Erm, quite disappointed , I thought C# can do something like this:
-----------------------
int arr [] = new int[10];
arr.extend(10); //or something like that
-----------------------

Dissapointed? I think ArrayList provides you with more flexibility and ease...

Noogard wrote:

chuawenching wrote:  Noogard wrote: Tks for that. Well, then the ArrayList class in C# is somehow exactly Vector class in Java  Yeah Erm, quite disappointed , I thought C# can do something like this: ----------------------- int arr [] = new int[10]; arr.extend(10); //or something like that -----------------------

This is not how you use ArrayList!

Check here at msdn

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemcollectionsarraylistclasstopic.asp 

If you want to set the number of elements the ArrayList can handle, look at the Capacity member.

For those using the C# 2.0, there's a new method for arrays called Resize. This method gave rise due to the power of generics.

Here's how you use it.

String[] myArr = { "The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog" };
Array.Resize( ref myArr, myArr.Length + 5 );

The method fingerprint is this.

public static void Resize( T[] array, intnewSize);

This only works in Whidbey.

Regards, triplez ------------------------------ http://triplez.mine.nu/blogs

xtreme.net wrote:

Dissapointed? I think ArrayList provides you with more flexibility and ease...

Yeah, I agreed that Vector/ArrayList is more flexible and easier. However, what I expect from array is speed and effiency, and I only need the array to be extendable (all the elements in array is the same type/object).

triplez wrote:

For those using the C# 2.0, there's a new method for arrays called Resize. This method gave rise due to the power of generics. Here's how you use it. String[] myArr = { "The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog" }; Array.Resize( ref myArr, myArr.Length + 5 ); The method fingerprint is this. public static void Resize( T[] array, intnewSize); This only works in Whidbey.

Yeah, this is exactly what I want

How can I check which version of C# I'm using?
And what is Whidbey? And IDE? 

Noogard wrote:

triplez wrote: For those using the C# 2.0, there's a new method for arrays called Resize. This method gave rise due to the power of generics. Here's how you use it. String[] myArr = { "The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog" }; Array.Resize( ref myArr, myArr.Length + 5 ); The method fingerprint is this. public static void Resize( T[] array, intnewSize); This only works in Whidbey. Yeah, this is exactly what I want How can I check which version of C# I'm using? And what is Whidbey? And IDE?  " />

C# is only available in .Net Framework 2.0, which is currently in Beta 1 (if I'm not wrong).
Whidbey is the codename for the new version of Visual Studio 2005.

knave wrote:

C# is only available in .Net Framework 2.0, which is currently in Beta 1 (if I'm not wrong). Whidbey is the codename for the new version of Visual Studio 2005.

C# is one of the .NET languages that has been around since .NET 1.0. In .NET 2.0, it comes with some new features.

I use a couple of generated classes from a template that implements strongly typed collections.  It implements ICollection, IList and IEnumerable, but it uses a strongly typed array as internal storage.  The capacity is maintained to avoid resizing all the time, as with the ArrayList, but using an array of primitive types instead of objects.

I pass these suckers all over my application!   I guess you will have your reservations about using custom classes for storage of arrays, but it saves me so much time, I may keep them in .net 2.0

What's the link to this code?? Sounds interesting.

I was going to post the link to the utility which I downloaded but the home page has disappeared and it is missing.

Anyway, the generated code for one type is good enough so here is a link to the IntCollection. You can make copies of the class for each primitive type that you want to use.  I think that you only need to change "using T = System.Int32" at the top, and of course replace the class name.

http://web.eject.co.za/gob/IntCollection.cs