// Get the current working directory for a particular drive.
internal static String GetCurrentDirectory(char drive)
{
if (drive >= 'a' && drive <= 'z')
{
drive = (char)(drive - 'a' + 'A');
}
String current = GetCurrentDirectory();
if (current.Length >= 2 && Path.IsVolumeSeparator(current[1]))
{
char d = current[0];
if (d >= 'a' && d <= 'z')
{
d = (char)(d - 'a' + 'A');
}
if (d == drive)
{
return(current);
}
}
return(drive.ToString() + ":" +
Path.DirectorySeparatorChar.ToString());
}