IAMWstDecoder::SetDrawBackgroundMode

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Microsoft DirectShow 9.0

IAMWstDecoder::SetDrawBackgroundMode

Downstream filters use the SetDrawBackgroundMode method to assign whether the caption text background is to be opaque or transparent.

Syntax

  HRESULT SetDrawBackgroundMode(
  
  AM_WST_DRAWBGMODE
  
  Mode
  
  );

Parameters

Mode

[in]  Specifies an AM_WST_DRAWBGMODE enumeration to assign whether the caption text background is to be opaque or transparent.

Value Description
AM_WST_DRAWBGMODE_Opaque Caption text background is opaque.
AM_WST_DRAWBGMODE_Transparent Caption text background is transparent.

Return Values

When the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Header: Include Iwstdec.h.

Library: Use Strmiids.lib.

See Also