gpi12.hlp (Table of Contents; Topic list)
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Region functions (1.2)
Function Groups  Overview                         Up Next Previous
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GpiCombineRegion        Combines two regions
GpiCreateRegion         Creates a region
GpiDestroyRegion        Destroys a region
GpiEqualRegion          Checks two regions for equality
GpiOffsetClipRegion     Moves the clip region
GpiOffsetRegion         Moves a region
GpiPaintRegion          Paints a region
GpiPtInRegion           Determines whether a point is in a region
GpiQueryClipRegion      Retrieves the handle to a clip region
GpiQueryRegionBox       Retrieves a region-box rectangle
GpiQueryRegionRects     Retrieves region rectangles
GpiRectInRegion         Determines whether rectangle is in a region
GpiSetClipRegion        Sets a clip region
GpiSetRegion            Sets a region
WinExcludeUpdateRegion  Excludes an update region
WinInvalidateRegion     Adds a region to a window's update region
WinLockVisRegions       Locks/unlocks visible regions of all windows
WinQueryUpdateRegion    Retrieves the update region of a window
WinValidateRegion       Validates a region