◆ Remove()

virtual void System.Collections.Hashtable.Remove ( object key )

inlinevirtualinherited

Implements System.Collections.IDictionary.

Reimplemented in System.Collections.Hashtable.SyncHashtable.

Definition at line 1028 of file Hashtable.cs.

    {
        if (key == null)
        {
            throw new ArgumentNullException("key", SR.ArgumentNull_Key);
        }
        uint seed;
        uint incr;
        uint num = InitHash(key, _buckets.Length, out seed, out incr);
        int num2 = 0;
        int num3 = (int)(seed % (uint)_buckets.Length);
        bucket bucket;
        do
        {
            bucket = _buckets[num3];
            if ((bucket.hash_coll & 0x7FFFFFFF) == num && KeyEquals(bucket.key, key))
            {
                _isWriterInProgress = true;
                _buckets[num3].hash_coll &= int.MinValue;
                if (_buckets[num3].hash_coll != 0)
                {
                    _buckets[num3].key = _buckets;
                }
                else
                {
                    _buckets[num3].key = null;
                }
                _buckets[num3].val = null;
                _count--;
                UpdateVersion();
                _isWriterInProgress = false;
                break;
            }
            num3 = (int)((num3 + incr) % (uint)_buckets.Length);
        }
        while (bucket.hash_coll < 0 && ++num2 < _buckets.Length);
    }

References System.Collections.Hashtable._buckets, System.Collections.Hashtable._count, System.Collections.Hashtable._isWriterInProgress, System.SR.ArgumentNull_Key, System.Runtime.Serialization.Dictionary, System.Collections.Hashtable.bucket.hash_coll, System.Collections.Hashtable.InitHash(), System.Collections.Hashtable.bucket.key, System.key, System.Collections.Hashtable.KeyEquals(), System.Collections.Hashtable.UpdateVersion(), and System.Collections.Hashtable.bucket.val.