[MSDN Library June 1998] MCI_STEP (70.1666666666667%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > MCI Device Drivers > Reference > Messages from Applications

[MSDN Library September 1992] MCI_STEP (56.3396814664563%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > MCI Device Driver Reference

[MSDN Library September 1992] MCI_STEP (48.7115384615385%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 5 Message Directory > Message Descriptions

[MSDN Library June 1998] MCI_STEP (42.6201923076923%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > Multimedia Reference > Multimedia Commands

[MSDN Library June 1998] MCI_STEP (35.6668734491315%)

MSDN Library Visual Studio 6.0 > Specifications > Technologies and Languages > Digital Video MCI Specification > Chapter 3 Digital Video Command Messages