通过

IDVBTLocator::get_HAlpha

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Microsoft DirectShow 9.0

IDVBTLocator::get_HAlpha

The get_HAlpha method retrieves the hierarchy alpha.

Syntax

  HRESULT get_HAlpha(
  HierarchyAlpha*  pAlpha
);

Parameters

pAlpha

[out]  Pointer to a variable that receives a member of the HierarchyAlpha enumeration.

Return Values

Returns S_OK if successful. If the method fails, error information can be retrieved using the standard COM IErrorInfo interface.

Requirements

Header: Dshow.h.

Library: Quartz.dll.

See Also