How to add a string to a string[] array? There's no .Add function

c# arrays long-filenames
Sergio Tapia picture Sergio Tapia · Sep 17, 2009 · Viewed 760.9k times · Source 
private string[] ColeccionDeCortes(string Path)
{
    DirectoryInfo X = new DirectoryInfo(Path);
    FileInfo[] listaDeArchivos = X.GetFiles();
    string[] Coleccion;

    foreach (FileInfo FI in listaDeArchivos)
    {
        //Add the FI.Name to the Coleccion[] array, 
    }

    return Coleccion;
}

I'd like to convert the FI.Name to a string and then add it to my array. How can I do this?

Answer

Saulius Valatka picture Saulius Valatka · Sep 17, 2009

You can't add items to an array, since it has fixed length. What you're looking for is a List<string>, which can later be turned to an array using list.ToArray(), e.g.

List<string> list = new List<string>();
list.Add("Hi");
String[] str = list.ToArray();

Related questions

Adding values to a C# array

Probably a really simple one this - I'm starting out with C# and need to add values to an array, for example: int[] terms; for(int runs = 0; runs < 400; runs++) { terms[] = runs; } For those who have used PHP, here's what …

Read More
How to convert byte array to string

I created a byte array with two strings. How do I convert a byte array to string? var binWriter = new BinaryWriter(new MemoryStream()); binWriter.Write("value1"); binWriter.Write("value2"); binWriter.Seek(0, SeekOrigin.Begin); byte[] result = reader.ReadBytes((int)binWriter.BaseStream.…

Read More
How to convert UTF-8 byte[] to string?

I have a byte[] array that is loaded from a file that I happen to known contains UTF-8. In some debugging code, I need to convert it to a string. Is there a one liner that will do this? Under …

Read More