[MSDN Library April 2000] Invalidating and Validating the Update Region (100%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Painting and Drawing > About Painting and Drawing > The WM_PAINT Message

[MSDN Library April 2000] Invalidating the Client Area (53.6111111111111%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Painting and Drawing > Using the WM_PAINT Message

[MSDN Library September 1992] Invalidating the Client Area (26.5277777777778%)

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

[MSDN Library April 2000] Invalidating an Object (19.4711538461538%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Guide > Service Provider Basics > Shutting Down a Service Provider