define a dictionary in c# code example

Example 1: c sharp create dictionary

// To initialize a dictionary, see below:
IDictionary<int, string> dict = new Dictionary<int, string>();
// Make sure to give it the right type of key and value

// To add values use 'Add()'
dict.Add(1,"One");
dict.Add(2,"Two");
dict.Add(3,"Three");

// You can also do this together with the creation
IDictionary<int, string> dict = new Dictionary<int, string>()
{
	{1,"One"},
	{2, "Two"},
	{3,"Three"}
};

Example 2: c# dictionary first

dictionary.Keys.First();

Example 3: c# dictionaries

IDictionary<int, string> dict = new Dictionary<int, string>();
        
//or

Dictionary<int, string> dict = new Dictionary<int, string>();

Example 4: c sharp add item to dictionary

// To add an item to a dictionary use 'Add()'
dict.Add(1,"One");

Example 5: c# dictionary functions

Dictionary<int, Func<string, bool>>