Saves an object to the specified stream.
| IStream *pStm,
|//Pointer to the stream where the object is to be saved
| BOOL fClearDirty
|//Specifies whether to clear the dirty flag
[in]Points to the stream into which the object should be saved.
[in]Indicates whether to clear the dirty flag after the save is complete. If
TRUE, the flag should be cleared. If FALSE, the flag should be left unchanged.
The object was successfully saved to the stream.
The object could not save itself to the stream. This error could indicate, for
example, that the object contains another object that is not serializable to a
stream or that an IStream::Write
call returned STG_E_CANTSAVE.
The object could not be saved because there is no space left on the storage
This method saves an object into the specified stream and indicates whether
the object should reset its dirty flag.
The seek pointer is positioned at the location in the stream at which the
object should begin writing its data. The object calls the IStream::Write
method to write its data.
On exit, the seek pointer must be positioned immediately past the object data.
The position of the seek pointer is undefined if an error returns.
Notes to Callers
Rather than calling IPersistStream::Save
directly, you typically use the OleSaveToStream
helper function which performs the following steps:
- Calls IPersistStream::GetClassID to get the object's class identifier.
- Calls the WriteClassStm function to write the object's class identifier to the stream.
- Calls IPersistStream::Save.
If you call these methods directly, you can write other data into the stream
after the class identifier before calling IPersistStream::Save
The OLE-provided implementation of IPersistStream
follows this same pattern.
Notes to Implementors
method does not write the class identifier to the stream. The caller is
responsible for writing the class identifier.
method can read from, write to, and seek in the stream; but it must not seek
to a location in the stream before that of the seek pointer on entry.
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