[MSDN Library June 1998] WM_DEVMODECHANGE (46.0727969348659%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Device Contexts > Device Context Reference > Device Context Messages

[MSDN Library April 2000] WM_DEVMODECHANGE (46.0727969348659%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Device Contexts > Device Context Reference > Device Context Messages