// Function to check a key.
public static void CheckKey(MyDictionary <int, AbstrState> myDictionary)
{
Console.Clear();
bool ok;
int key;
do
{
Console.Write("Enter the key: ");
ok = Int32.TryParse(Console.ReadLine(), out key);
if (!ok)
{
Console.WriteLine("Input error! Perhaps you didn't enter a number");
}
} while (!ok);
ok = myDictionary.ContainsKey(key);
if (ok)
{
Console.WriteLine("There is an element with this key!");
}
else
{
Console.WriteLine("There is no element with this key");
}
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
