public static void CreateDirectory(string par, string name, bool trial = true)
{
if (par == null)
{
par = RegistryAccess.CodesPath;
}
int tcount = 1;
string path = Path.Combine(par, name);
while (trial && Directory.Exists(path))
{
path = Path.Combine(par, string.Format("{0} ({1})", name, tcount));
++tcount;
}
LocalDirectory.CreateDirectory(path);
}