GG帮小M一个忙喽
void CMySocketDlg::OnSelchangeCombo3()
{
int nIndex=m_Pattern.GetCurSel();
if(nIndex!=CB_ERR)
{
m_DrawPattern=m_Pattern.GetItemData(nIndex);
Invalidate();
}
m_DrawPattern定义的是CString类型,但是运行时系统在这行提示出错:"warning C4244: 'argument' : conversion from 'unsigned long' to 'char', possible loss of data.应该怎么改?