CopyTo() [1/4]

void ICollection. System.Collections.Generic.Dictionary< TKey, TValue >.KeyCollection.CopyTo ( Array array, int index )

inlineprivate

Definition at line 397 of file Dictionary.cs.

        {
            if (array == null)
            {
                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
            }
            if (array.Rank != 1)
            {
                ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
            }
            if (array.GetLowerBound(0) != 0)
            {
                ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
            }
            if ((uint)index > (uint)array.Length)
            {
                ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
            }
            if (array.Length - index < _dictionary.Count)
            {
                ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
            }
            if (array is TKey[] array2)
            {
                CopyTo(array2, index);
                return;
            }
            object[] array3 = array as object[];
            if (array3 == null)
            {
                ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
            }
            int count = _dictionary._count;
            Entry[] entries = _dictionary._entries;
            try
            {
                for (int i = 0; i < count; i++)
                {
                    if (entries[i].next >= -1)
                    {
                        array3[index++] = entries[i].key;
                    }
                }
            }
            catch (ArrayTypeMismatchException)
            {
                ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
            }
        }

References System.Collections.Generic.Dictionary< TKey, TValue >.KeyCollection._dictionary, System.array, System.Collections.Generic.Dictionary< TKey, TValue >.KeyCollection.CopyTo(), System.count, System.index, System.ThrowHelper.ThrowArgumentException(), System.ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType(), System.ThrowHelper.ThrowArgumentNullException(), and System.ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException().