C＃-删除列表框项的一部分

Question

I have a ListBox which has a collection of files from a directory and I need to remove the extension from them. They will all be m4a format so that should make it a bit easier. However I have searched and cannot find a solution.

I am very new to programming and would appreciate some help. If I could request an example I would really appreciate it and could you please use lstSong instead of a placeholder because I get confused as to whats a placeholder and not in examples.

As requested the code that writes to it:

string[] songspaths = System.IO.Directory.GetFiles(librarypath + "/" + albumpath + "/" + songpath);

List<string> listsongs = new List<string>();

foreach (var f in songspaths)
{
   string songs = f.Split('\\').Last();
   lstSong.Items.Add(songs);
}

I am unsure exactly how this code works. I understand most of it but it was written by a friend to help me. Which is why i was going to do it afterwards. Thanks again.

Answer 1

Understanding from your comment you only need the filename of the files, without the path or the extension. For that you can use Path.GetFileNameWithoutExtension

string[] songspaths = System.IO.Directory.GetFiles(librarypath + "/" + albumpath + "/" + songpath); // Get all the files from the specified directory

List<string> listsongs = new List<string>();

foreach (var f in songspaths)
{
   lstSong.Items.Add(Path.GetFileNameWithoutExtension(f)); // Store the filename without path or extension in the list
}

And to explain the code your friend has wrote:

string songs = f.Split('\\').Last();

The string.Split method diviedes the string into an array of substrings delimited by the given character. In this case it's an ( escaped ) backslash. The .Last() returns the last element of the array.