_CommandPtr m_pCommand;
m_pRecordset.CreateInstance("ADODB.Recordset");
HRESULT temp =m_pCommand.CreateInstance (__uuidof(Command));
if(FAILED(temp))
{
AfxMessageBox("create command error!");
return;
} 运得时老是弹出create command error对话框..为什么??
m_pRecordset.CreateInstance("ADODB.Recordset");
HRESULT temp =m_pCommand.CreateInstance (__uuidof(Command));
if(FAILED(temp))
{
AfxMessageBox("create command error!");
return;
} 运得时老是弹出create command error对话框..为什么??
HRESULT CoInitialize(
LPVOID pvReserved //Reserved; must be NULL
);先