IMSVidCtl::put_MaintainAspectRatio

  • Articolo
 
Microsoft DirectShow 9.0

IMSVidCtl::put_MaintainAspectRatio

This topic applies to Windows XP or later.

The put_MaintainAspectRatio method specifies whether the Video Control maintains the aspect ratio of the source video.

Syntax

  HRESULT put_MaintainAspectRatio(
  
  VARIANT_BOOL
  
  NewValue
  
  );

Parameters

  NewValue

[in]  Specifies one of the following values.

Value Description
VARIANT_TRUE The Video Control will maintain the aspect ratio of the source video.
VARIANT_FALSE The Video Control will stretch the video to fill the window. Default.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Requirements

  Header: Dshow.h.

  Library: Quartz.dll.

See Also