Function name: GetDeviceGammaRamp

Defined in : GDI32

Requirements : Windows 2000 or later; Windows 95 or later

Declaration:

Declare Function GetDeviceGammaRamp Lib "gdi32" (ByVal hdc As Long, lpv As Any) As Long

Parameters:

* hDC Specifies the device context of the direct color display board in question. * lpRamp Points to a buffer where the function can place the current gamma ramp of the color display board. The gamma ramp is specified in three arrays of 256 WORD elements each, which contain the mapping between RGB values in the frame buffer and digital-analog-converter (DAC) values. The sequence of the arrays is red, green, blue.

Returns:

GetDeviceGammaRamp returns TRUE if it succeeds, and FALSE otherwise.

Related functions:

Examples:

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