Join() [1/7]

static string System.IO.Path.Join ( params string?[] paths )

inlinestatic

Definition at line 453 of file Path.cs.

    {
        if (paths == null)
        {
            throw new ArgumentNullException("paths");
        }
        if (paths.Length == 0)
        {
            return string.Empty;
        }
        int num = 0;
        for (int i = 0; i < paths.Length; i++)
        {
            num += paths[i]?.Length ?? 0;
        }
        num += paths.Length - 1;
        Span<char> initialBuffer = stackalloc char[260];
        ValueStringBuilder valueStringBuilder = new ValueStringBuilder(initialBuffer);
        valueStringBuilder.EnsureCapacity(num);
        foreach (string text in paths)
        {
            if (string.IsNullOrEmpty(text))
            {
                continue;
            }
            if (valueStringBuilder.Length == 0)
            {
                valueStringBuilder.Append(text);
                continue;
            }
            if (!PathInternal.IsDirectorySeparator(valueStringBuilder[valueStringBuilder.Length - 1]) && !PathInternal.IsDirectorySeparator(text[0]))
            {
                valueStringBuilder.Append('\\');
            }
            valueStringBuilder.Append(text);
        }
        return valueStringBuilder.ToString();
    }

References System.Text.ValueStringBuilder.EnsureCapacity(), System.IO.PathInternal.IsDirectorySeparator(), and System.text.