Overview
Group
Quick Info

Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
gdi32.lib
Header File
wingdi.h
Unicode
No
Platform Notes
None

SetPixel

The SetPixel function sets the pixel at the specified coordinates to the specified color.

COLORREF SetPixel(

HDC hdc,
// handle of device context
int X,
// x-coordinate of pixel
int Y,
// y-coordinate of pixel
COLORREF crColor
// pixel color
);

Parameters

hdc

Identifies the device context.

X

Specifies the x-coordinate, in logical units, of the point to be set.

Y

Specifies the y-coordinate, in logical units, of the point to be set.

crColor

Specifies the color to be used to paint the point.

Return Values

If the function succeeds, the return value is the RGB value that the function sets the pixel to. This value may differ from the color specified by crColor; that happens when an exact match for the specified color cannot be found.

If the function fails, the return value is pics/WIN3200090000.gif1. To get extended error information, call GetLastError.

Remarks

The function fails if the pixel coordinates lie outside of the current clipping region.

Not all devices support the SetPixel function. For more information, see GetDeviceCaps.

See Also

GetDeviceCaps
, GetPixel, SetPixelV

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