[MSDN Library June 1998] Required Properties for All Messages (100%)
MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Messaging API (MAPI) > Guide > MAPI Programming Basics > Messages > About Message Properties
[MSDN Library June 1998] Required Report Message Properties (86.8055555555556%)
MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Messaging API (MAPI) > Guide > MAPI Programming Basics > Messages > About Message Properties
[MSDN Library June 1998] Required Pen Driver Messages (37.0452508960573%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Pen Driver > Message Processing
[MSDN Library June 1998] Required Translation DLL Functions (32.4305555555556%)
MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Microsoft Exchange Server > Gateway Programmer's Reference > Guide > Message Translation
[MSDN Library June 1998] Required Command Messages for All Drivers (32.0029067226156%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > MCI Device Drivers > About MCI Device Drivers
[MSDN Library September 1992] Required Command Messages (31.6664150563607%)
Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 4 Message Overview > Media Control Interface Messages
[MSDN Library September 1992] Required Commands for All Devices (29.4057260585394%)
Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 7 MCI Command Strings > Experimenting with Command Strings
[MSDN Library September 1992] Required Commands (27.7717391304348%)
Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 7 MCI Command Strings > About MCI Commands
[MSDN Library September 1992] Required Command Messages for All Drivers (23.0546244990847%)
Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > Handling MCI Messages
[MSDN Library September 1992] Required MIDI Messages for Internal Synthesizers (21.1255873317069%)
Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 2 Audio Device Drivers > Writing a MIDI Output Driver