IITVisualCollection Interface Reference

List of all members.

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Detailed Description

Represents a collection of visual plug-in objects.

The IiTunes::Visuals property returns the collection of visual plug-ins.

Public Member Functions
Properties
HRESULT	Count ([out, retval] long *count)
	Returns the number of visual plug-ins in the collection.
HRESULT	Item ([in] long index,[out, retval] IITVisual **iVisual)
	Returns an IITVisual object corresponding to the given index (1-based).
HRESULT	ItemByName ([in] BSTR name,[out, retval] IITVisual **iVisual)
	Returns an IITVisual object with the specified name.
HRESULT	_NewEnum ([out, retval] IUnknown **iEnumerator)
	Returns an IEnumVARIANT object which can enumerate the collection.

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Member Function Documentation

HRESULT IITVisualCollection::_NewEnum (  [out, retval] IUnknown **  iEnumerator  )

Returns an IEnumVARIANT object which can enumerate the collection. Note: This property is available in iTunes 4.7 and later (iTunes type library 1.2 and later). Parameters: iEnumerator  Returns an IEnumVARIANT object which can enumerate the collection. Return values: S_OK  The operation was successful. E_POINTER  iEnumerator is NULL. E_FAIL  An unexpected error occurred.

HRESULT IITVisualCollection::Count (  [out, retval] long *  count  )

Returns the number of visual plug-ins in the collection. Parameters: count  Returns the number of visual plug-ins in the collection. Return values: S_OK  The operation was successful. E_POINTER  count is NULL. E_FAIL  An unexpected error occurred.

HRESULT IITVisualCollection::Item (  [in] long  index, [out, retval] IITVisual **  iVisual )

Returns an IITVisual object corresponding to the given index (1-based). Parameters: index  1-based index of IITVisual to retrieve. iVisual  Returns an IITVisual object corresponding to the specified index. Return values: S_OK  The operation was successful. S_FALSE  index is too big. E_INVALIDARG  index is less than one. E_POINTER  iVisual is NULL. E_FAIL  An unexpected error occurred.

HRESULT IITVisualCollection::ItemByName (  [in] BSTR  name, [out, retval] IITVisual **  iVisual )

Returns an IITVisual object with the specified name. Parameters: name  1-based index of IITVisual to retrieve. iVisual  Returns an IITVisual object with the specified name. Return values: S_OK  The operation was successful. S_FALSE  A visual plug-in with the specified name could not be found. E_POINTER  name or iVisual is NULL. E_FAIL  An unexpected error occurred.

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