Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

This function sets the pixel at the specified coordinates to the specified color.

Syntax 

COLORREF SetPixel(
  HDC 
hdc, 
  int 
X, 
  int 
Y, 
  COLORREF 
crColor
);

Parameters

hdc

[in] Handle to the device context.

X

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

Y

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

crColor

[in] Specifies the color to be used to paint the point.

Return Value

The RGB value that the function sets the pixel to indicates success.

This value may differ from the color specified by crColor; that happens when an exact match for the specified color cannot be found.

–1 indicates failure.

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 SetPixelfunction. For more information, see GetDeviceCaps.

Requirements

Header windows.h
Library coredll.lib
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also