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IDirectDrawSurface

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Applications use the methods of the IDirectDrawSurface interface to create DirectDrawSurface objects and work with system-level variables.

IDirectDraw::CreateSurface will return a fully supported IDirectDrawSurface interface pointer.

You cannot obtain the IDirectDrawSurface interface directly from CreateSurface; use the QueryInterface method to retrieve it.

The methods of the IDirectDrawSurface interface can be organized into the following groups:

  PPC SP  
Allocating memory X X IsLost
  X X Restore
Attaching surfaces X X EnumAttachedSurfaces
Blitting X X AlphaBlt
  X X Blt
  X X GetBltStatus
Color keying X X GetColorKey
  X X SetColorKey
Device capabilities X X GetCaps
Device contexts X X GetDC
  X X ReleaseDC
Flipping X X Flip
  X X GetFlipStatus
Locking surfaces X X Lock
  X X Unlock
Miscellaneous X X GetDDInterface
Overlays X X EnumOverlayZOrders
  X X GetOverlayPosition
  X X SetOverlayPosition
  X X UpdateOverlay
  X X UpdateOverlayZOrder
Surface clipper X X GetClipper
  X X SetClipper
Surface characteristics X X GetPixelFormat
  X X GetSurfaceDesc
Surface palettes X X GetPalette
  X X SetPalette

The IDirectDrawSurface interface, like all COM interfaces, inherits the IUnknown interface methods.

The IUnknown interface supports the following three methods:

  PPC SP  
IUnknown X X AddRef
  X X QueryInterface
  X X Release

You can use the LPDIRECTDRAWSURFACE data type to declare variables that point to various DirectDrawSurface object interfaces.

The Ddraw.h header file declares this data type with the following code.

typedef struct IDirectDrawSurface     FAR *LPDIRECTDRAWSURFACE;

Requirements

Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 5.01 and later
Header: Ddraw.h.
Library: Ddraw.lib.

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