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IDirectDraw::SetDisplayMode

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A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

This method sets the mode of the display-device hardware.

Syntax

HRESULT SetDisplayMode(
  DWORD dwWidth, 
  DWORD dwHeight, 
  DWORD dwBPP, 
  DWORD dwRefreshRate, 
  DWORD dwFlags
);

Parameters

  • dwWidth
    Width of the new mode.
  • dwHeight
    Height of the new mode.
  • dwBPP
    Bits per pixel (bpp) of the new mode.
  • dwRefreshRate
    Refresh rate of the new mode. Set this value to 0 to request the default refresh rate for the driver.
  • dwFlags
    No additional flags are currently supported. This parameter must be set to 0.

Return Value

If the method succeeds, the return value is DD_OK.

If the method fails, the return value may be one of the following error values:

DDERR_GENERIC

DDERR_INVALIDMODE

DDERR_INVALIDOBJECT

DDERR_INVALIDPARAMS

DDERR_LOCKEDSURFACES

DDERR_SURFACEBUSY

DDERR_UNSUPPORTED

DDERR_WASSTILLDRAWING

For more information on these error codes see DirectDraw Return Values.

Remarks

As Windows Embedded CE does not support display mode changes, DDERR_INVALIDMODE will be returned if any mode other than the current one is passed to SetDisplayMode.

Windows Embedded CE does not support DDSDM_STANDARDVGAMODE.

Requirements

Header ddraw.h
Library ddraw.lib
Windows Embedded CE Windows Embedded CE 6.0 and later
Windows Mobile Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later

See Also

Reference

IDirectDraw::RestoreDisplayMode
IDirectDraw::GetDisplayMode
IDirectDraw::EnumDisplayModes
IDirectDraw::SetCooperativeLevel