IPhotoAcquirePlugin::ProcessItem method (photoacquire.h)

The ProcessItem method provides additional functionality each time an item is processed. The application provides the implementation of the ProcessItem method.

Syntax

HRESULT ProcessItem(
  [in] DWORD             dwAcquireStage,
  [in] IPhotoAcquireItem *pPhotoAcquireItem,
  [in] IStream           *pOriginalItemStream,
  [in] LPCWSTR           pszFinalFilename,
  [in] IPropertyStore    *pPropertyStore
);

Parameters

[in] dwAcquireStage

Specifies a double word value indicating whether this method is being called before or after processing an item. Must be one of: PAPS_PRESAVE, PAPS_POSTSAVE, or PAPS_CLEANUP.

Value Description
PAPS_PRESAVE Indicates that the method is being called before saving the acquired file. During PAPS_PRESAVE, pPhotoAcquireItem::GetProperty should be used to retrieve metadata from the original file, while new metadata to be written to the file should be added to pPropertyStore.
PAPS_POSTSAVE Indicates that the method is being called after saving the acquired file.
PAPS_CLEANUP Indicates that the user has canceled the acquire operation and any work done by the plug-in should be cleaned up.

[in] pPhotoAcquireItem

Pointer to an IPhotoAcquireItem object for the item being processed.

[in] pOriginalItemStream

Pointer to an IStream object for the original item. NULL if dwAcquireStage is PAPS_POSTSAVE.

[in] pszFinalFilename

The file name of the destination of the item. NULL if dwAcquireStage is PAPS_PRESAVE.

[in] pPropertyStore

The item's property store. NULL if dwAcquireStage is PAPS_POSTSAVE.

Return value

The method returns an HRESULT. Your implementation is not limited to the following return values.

Return code Description
S_OK
The method succeeded.
E_NOTIMPL
The method is not implemented.

Requirements

   
Target Platform Windows
Header photoacquire.h
Library PhotoAcquireUID.lib

See also

IPhotoAcquirePlugin Interface