运行期显示数据链接属性窗口，取得ADO连接字串

#include <atl/atlbase.h>

#include <msdasc.h>

#include <adodb.hpp>

WideString BuildConnectionStr()

{

WideString ConnectionStr;

CComPtr<IDataSourceLocator> pDsl;

CComQIPtr<_Connection> pConn;

CoInitialize(NULL);

try

{

if(S_OK ==pDsl.CoCreateInstance(__uuidof(DataLinks)))

{

if(S_OK == pDsl->PromptNew((IDispatch**)&pConn))

{

pConn->Get_ConnectionString(ConnectionStr);

return ConnectionStr;

}

}

}

__finally

{

CoUninitialize();

}

}