Welcome to the Lounge

TheGreatAndPowerfulOz wrote:

StringBuilder will do that.

StringBuilder s = new StringBuilder("tool");
s[0] = 'c';
Console.WriteLine(s.ToString());

public static string SetChar(this string str, int ndx, char ch)
{
    if(ndx >= str.Length) throw new ArgumentOutOfRangeException();

    charAry = str.ToCharArray();
    charAry.SetValue(ch,ndx);
    return new string(charAry);
}

if(ndx >= str.Length-1) throw new ArgumentOutOfRangeException();

BillWoodruff wrote:

C# language forum is now not what it was many years ago in terms of real interchanges about language features, often, imho, full of questions that should have been posted on the QA forums.

Dim s As String = "Cool"
Mid$(s, 1) = "F"
Console.WriteLine(s)

Henry Skoglund wrote:

ou have to remember all the arcane details, for example that 32-bit system .dlls are stored in C:\Windows\syswow64 and 64-bit system .dlls are stored in