Heap Corruption during run time.

[EdwardKes]

Hello, I am having a problem with my code. I am trying to delete an array, after I created a bigger one, and copied all the values from the previous to the new one, but when i try to delete the old one, I get : heap corruption detected after normal block. Please help me. Here is the code:

this is the add function:

bool IntArrayList::add(Number& num)
{
	if(m_Arr[0] == NULL)///If array is empty put the first element at 0 index
	{
		m_Arr[0] = #
		m_Size += 1;
		return true;
	}
	else
		{
			int in_place = SearchInsertPlace();///find the place where you store another element
			if(in_place != -1)///there is still place available
			{
				m_Arr[in_place] = #
				m_Size += 1;
				return true;
			}
			else///if no free places, create new array
			{
				m_Arr = CreateNewArray(m_Arr);

				in_place = SearchInsertPlace();
				m_Arr[in_place] = #
				return true;
			}
		}
}

this is the function that creates the new array:

Number** IntArrayList::CreateNewArray(Number** arr)
{
	m_ArraySize *= 2;
	Number** newArray = new Number*[m_ArraySize];
		for(int i=0 ; i<m_ArraySize ; i++)
			newArray[i]=NULL;

	for(int i = 0 ; i < m_Size ; i++ )/// creating new array.
		{
			newArray[i] = m_Arr[i];
			m_Arr[i]=NULL;
	    }
	//for(int i = 0 ; i < m_Size ; i++)/// delete old array.
	//	delete m_Arr[i];
	delete []m_Arr;

	return newArray;
}

thanks!