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IBasicVideo2.GetPreferredAspectRatio

  • Artículo
 
Microsoft DirectShow 9.0

IBasicVideo2.GetPreferredAspectRatio

  • Note   This topic is deprecated. It applies to Visual Basic 6.0. DirectShow is not supported for Visual Basic .NET or C#.

The GetPreferredAspectRatio method retrieves the preferred aspect ratio of the video source, if any.

Syntax

  objVideo
  .GetSourcePosition(
    ByRef AspectX As Long, 
    ByRef AspectY As Long)

Parameters

AspectX

Variable that receives the X component of the aspect ratio.

AspectY

Variable that receives the Y component of the aspect ratio.

Return Values

This method does not return a value.

Remarks

This method retrieves a pair of dimensionless numbers whose ratio is equal to the aspect ratio. Depending on the video source, however, the method might return zero for both values.

Requirements

Reference: Add a reference to ActiveMovie control type library.

Library: Quartz.dll.

See Also