Structr
Search…
Dictionary

AddRangeOverride

Adds new values to source dictionary, overriding values for existing keys.
var dictionary = new Dictionary<int, string>
{
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" },
{ 4, "Four" }
};
var newDictionary = new Dictionary<int, string>
{
{ 1, "One_overridden" },
{ 3, "Three_overridden" },
{ 5, "Five_new" }
};
dictionary.AddRangeOverride(newDictionary);
// results in:
// { 1, "One_overridden" },
// { 2, "Two" },
// { 3, "Three_overridden" },
// { 4, "Four" },
// { 5, "Five_new" }

AddRangeNewOnly

Adds new values to source dictionary, leaving existing keys values untouched.
var dictionary = new Dictionary<int, string>
{
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" },
{ 4, "Four" }
};
var newDictionary = new Dictionary<int, string>
{
{ 1, "One_don`t_override" },
{ 3, "Three_don`t_override" },
{ 5, "Five_new" }
};
dictionary.AddRangeNewOnly(newDictionary);
// results in:
// { 1, "One" },
// { 2, "Two" },
// { 3, "Three" },
// { 4, "Four" },
// { 5, "Five_new" }

AddRange

Adds new values to source dictionary. Throws if one or more keys in new list already exist in source dictionary.
var dictionary = new Dictionary<int, string>
{
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" },
{ 4, "Four" }
};
var newDictionary = new Dictionary<int, string>
{
{ 5, "Five_new" }
{ 6, "Six_new" }
};
dictionary.AddRange(newDictionary);
// results in:
// { 1, "One" },
// { 2, "Two" },
// { 3, "Three" },
// { 4, "Four" },
// { 5, "Five_new" }
// { 6, "Six_new" }

ContainsKeys

Checks if at least one key from provided list exists in source dictionary.
var dictionary = new Dictionary<int, string>
{
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" },
{ 4, "Four" }
};
var result = dictionary.ContainsKeys(new int[] { 1, 2, 3 }); // true
result = dictionary.ContainsKeys(new int[] { 4, 5 }); // true
result = dictionary.ContainsKeys(new int[] { 6, 7 }); // false
Copy link
Edit on GitHub
On this page
AddRangeOverride
AddRangeNewOnly
AddRange
ContainsKeys