LPDDHALCOLORCB_GAMMACONTROL (Windows Embedded CE 6.0)

1/6/2010

This callback function controls the brightness of an overlay or a primary surface.

Syntax

DWORD (FAR PASCAL * LPDDHALCOLORCB_GAMMACONTROL)(
  LPDDHAL_GAMMACONTROLDATA lpgcd
);

Parameters

• lpgcd
  [in, out] Pointer to a DDHAL_GAMMACONTROLDATA structure that contains the gamma control information.

Return Value

Returns one of the following values:

• DDHAL Callback Return Values
• DDHAL Callback Return Values

Requirements

Header	ddrawi.h
Library	Developer Implemented
Windows Embedded CE	Windows Embedded CE 6.0 and later

See Also

Reference

DDHAL_GAMMACONTROLDATA

Concepts

Color Control Callback Functions
DDHAL Callback Return Values
DDHAL Callback Return Values