[MSDN Library June 1998] Invalidating an Object (100%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Messaging API (MAPI) > Guide > Service Provider Basics > Shutting Down a Service Provider

[MSDN Library June 1998] Invalidating the Client Area (29.1022903726708%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Painting and Drawing > Using the WM_PAINT Message

[MSDN Library September 1992] Invalidating the Client Area (24.8065476190476%)

Product Documentation > QuickC for Windows > C for Windows > PART 2 Using C > Chapter 15 Output to a Window > The Display Context

[MSDN Library June 1998] Invalidating and Validating the Update Region (19.4711538461538%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Painting and Drawing > About Painting and Drawing > The WM_PAINT Message