public PerformanceCounterDefinition(string path)
{
Must.NotBeNull(() => path);
if (!path.StartsWith("\\"))
{
throw new ArgumentException("'path' must begin with a '\\'");
}
var keyTokens = path.Split(KeySeparator);
if (keyTokens.Length < 3)
{
throw new ArgumentException("'path' must contain a Category and Counter", path);
}
CategoryName = keyTokens[1];
CounterName = keyTokens[2];
if (CategoryName.Contains("(") && CategoryName.Contains(")"))
{
var categoryNameTokens = CategoryName.Split('(', ')');
CategoryName = categoryNameTokens[0];
InstanceName = categoryNameTokens[1];
}
}