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IDirectDraw7::GetVerticalBlankStatus method (ddraw.h)

  • Article

Retrieves the status of the vertical blank.

Syntax

HRESULT GetVerticalBlankStatus(
  [out] LPBOOL unnamedParam1
);

Parameters

[out] unnamedParam1

A pointer to a variable that receives the status of the vertical blank. This parameter is TRUE if a vertical blank is occurring, and FALSE otherwise.

Return value

If the method succeeds, the return value is DD_OK.

If it fails, the method can return one of the following error values:

  • DDERR_INVALIDOBJECT
  • DDERR_INVALIDPARAMS

Remarks

To synchronize with the vertical blank, use the IDirectDraw7::WaitForVerticalBlank method.

Requirements

Requirement Value
Target Platform Windows
Header ddraw.h
Library Ddraw.lib
DLL Ddraw.dll

See also

IDirectDraw7