Hashtable.ContainsKey(object)

설명

Determines whether the Hashtable contains a specific key.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Hashtable h;
    void Example() {
        h = new Hashtable();
        h.Add("1", "one");
        h.Add("2", "two");
        if (h.ContainsKey("1"))
            Debug.Log("Key '1', has been found!");
        
    }
}