UpDownCounter<T> public sealed class UpDownCounter<T> : Instrument<T> where T : struct Documentation Code public void Add(T delta) public void Add(T delta, KeyValuePair<string, object> tag) public void Add(T delta, KeyValuePair<string, object> tag1, KeyValuePair<string, object> tag2) public void Add(T delta, KeyValuePair<string, object> tag1, KeyValuePair<string, object> tag2, KeyValuePair<string, object> tag3) public void Add(T delta, ReadOnlySpan<KeyValuePair<string, object>> tags) public void Add(T delta, KeyValuePair<string, object>[] tags) public void Add(T delta, ref TagList tagList)