[MSDN Library April 2000] HRESULT (100%)

MSDN Library - April 2000 > Specifications > Technologies and Languages > Component Object Model (COM) Specification 0.9 > Chapter 3: Objects and Interfaces > Error Codes and Error Handling

[MSDN Library April 2000] HRESULT DllRegisterServer(void); (46.3073687455955%)

MSDN Library - April 2000 > Specifications > Technologies and Languages > Component Object Model (COM) Specification 0.9 > Chapter 6: COM Servers > Identifying and Registering an Object Class

[MSDN Library April 2000] HRESULT (34.7628458498024%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Reference > MAPI Data Types