using a dictionary as a key for a dictionary c# code example
Example 1: c sharp add item to dictionary
// To add an item to a dictionary use 'Add()'
dict.Add(1,"One");
Example 2: c# dictionary functions
Dictionary<int, Func<string, bool>>
// To add an item to a dictionary use 'Add()'
dict.Add(1,"One");
Dictionary<int, Func<string, bool>>