Renders the data described in the specified FORMATETC
structure and transfers it through the specified STGMEDIUM
structure. The caller then assumes responsibility for releasing the STGMEDIUM
structure. You use this method when you want to transfer data from a source
object to a target.
| FORMATETC * pFormatetc,
||//Points to the data and formats to be transferred
| STGMEDIUM * pmedium
||//Points to the storage medium in which the returned data is transferred
[in]Points to the format, media, and target device to use when passing the
data. If you specify more than one medium by using the Boolean OR operator on the
value specified in TYMED
chooses the medium that best represents the data, does the allocation, and
decides what is responsible for the release. The decision is indicated through
the value returned in the IUnknown
returned as part of pmedium
[out]Points to the storage medium containing the returned data. The medium is
allocated and filled in by IDataObject::GetData
includes a value for the IUnknown to call for releasing the medium.
Data was successfully retrieved and placed in the storage medium provided.
One or more arguments are invalid.
An unexpected error occurred.
The system did not retrieve data because it ran out of memory.
Invalid value for lindex
; currently, only -1 is supported.
Invalid value for pFormatetc
Object application is not running.
An error occurred when allocating the medium.
method must check all fields in the FORMATETC
structure. It is important that IDataObject::GetData
renders the requested aspect and, if possible, uses the requested medium. If
the data object cannot comply with the information specified in the FORMATETC
, DV_E_FORMATETC is returned. If an attempt to allocate the medium fails,
STG_E_MEDIUMFULL is returned. It is important to fill in all of the fields in the STGMEDIUM
Although the caller can specify more than one medium for returning the data,
only one medium can actually be returned. The IDataObject::GetData
method chooses which medium to return. If this initial transfer fails, this
method can try one of the other media specified before returning an error.
Data transferred across a stream extends from position zero of the stream
pointer through to the position immediately before the current stream pointer (that
is, the stream pointer position upon exit).
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