// Oprogramowanie Roman Ryltsov
It was a sort of ridiculous problem: an attempt to instantiate a Microsoft.Jet.OLEDB.4.0 object failed with error. Still some applications are still running without problems connecting to Jet databases, how comes? There has been a number of posts on Internet, but none of the top ones appeared to be relevant. The problem is reproduced extremely…
One thing is worth special mentioning in connection with previous post on DirectShow Filter Graph Spy on Microsoft Vista system: ATL’s CSecurityDesc class caused to waste some time. CRegKey Key; ATLENSURE_SUCCEEDED(HRESULT_FROM_WIN32(Key.Open(HKEY_CLASSES_ROOT, pszKeyName, READ_CONTROL | WRITE_OWNER))); CSecurityDesc AdministratorsOwnerSecurityDescriptor; AdministratorsOwnerSecurityDescriptor.SetOwner(Sids::Admins()); ATLENSURE_SUCCEEDED(HRESULT_FROM_WIN32(Key.SetKeySecurity(OWNER_SECURITY_INFORMATION, &AdministratorsOwnerSecurityDescriptor))); The code compiles fine, but on runtime it gives error 87 (ERROR_INVALID_PARAMETER, E_INVALIDARG) in the…
I have been receiving comments that Filter Graph Spy tool does not work with Microsoft Vista operating system. I never had a moment to check until recently, and this time I realized that it really does not work. I am definitely aware of dramatic changes introduced with this operating system, and in particular UAC feature,…
Since ATL version 3, and actually it probably existed even since even earlier time, I have seen Microsoft Visual Studio (and its predecessor Visual C++) generating .RGS registration script with hardcoded CLSID value, ProgID values and other strings entered through IDE wizard. While it seems to work nice at the moment of generation, it still…