CoCreateInstance()失败?
亚细亚 2011-06-23 10:14:56 编译正确!
运行后提示:CoCreateInstance失败!应该是CoCreateInstance方法创建失败,这是什么原因?
hr = CLSIDFromProgID(L"ADODB.Connection", &clsid);
hr=CoCreateInstance(&clsid, NULL, CLSCTX_LOCAL_SERVER, &IID_IDispatch, (void **)&pDispatch);
if(FAILED(hr))
{
MessageBox(NULL, "CoCreateInstance失败!", "错误", 0x10010);
}
else
{
....
}