IMSVidFeatures::get_Item

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Microsoft DirectShow 9.0

IMSVidFeatures::get_Item

This topic applies to Windows XP or later.

The get_Item method retrieves the specified item from the collection.

Syntax

  HRESULT get_Item(
  
  VARIANT
  
  v
  ,
  
  IMSVidFeature**
  
  pDB
  
  );

Parameters

  v

[in]  VARIANT that specifies the index of the item to retrieve.

  ppDB

[out]  Address of a variable that receives an IMSVidFeature interface pointer.

Return Values

Returns an HRESULT value. Possible values include the following.

Value Description
S_OK Success.
DISP_E_BADINDEX The index is out of range.
DISP_E_TYPEMISMATCH Wrong VARIANT type.
E_POINTER NULL pointer argument.
E_UNEXPECTED Unexpected error.

Remarks

The v parameter must be a VARIANT that contains an integer type (VT_I4). The valid range is from 0 to IMSVidFeatures::get_Count - 1.

If the method succeeds, the IMSVidFeature interface has an outstanding reference count. The caller must release the interface.

Requirements

  Header: Dshow.h.

  Library: Quartz.dll.

See Also