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struct stItem
{
string m_Text;
};
int main()
{
stItem* pItem = new stItem[3];
pItem[0].m_Text = "00";
pItem[1].m_Text = "11";
pItem[2].m_Text = "22";
stItem* temp = new stItem[4];
memcpy(temp, pItem, sizeof(stItem)*4);
delete [] pItem;
pItem = temp;
pItem[3].m_Text = "33";
system("pause");
return 0;
}