Opens the specified file and initializes an object from the file contents.
| LPCOLESTR pszFileName,
||//Pointer to absolute path of the file to open
| DWORD dwMode
||//Specifies the access mode from the STGM enumeration
[in]Points to a zero-terminated string containing the absolute path of the
file to open.
[in]Specifies some combination of the values from the STGM
enumeration to indicate the access mode to use when opening the file. The IPersistFile::Load
method can treat this value as a suggestion, adding more restrictive
permissions if necessary. If dwMode
is zero, the implementation should open the file using whatever default
permissions are used when a user opens the file.
The object was successfully loaded.
The object could not be loaded due to a lack of memory.
The object could not be loaded for some reason other than a lack of memory.
STG_E_* error codes.
This method loads the object from the specified file. This method is for
initialization only and does not show the object to the end user; it is not
equivalent to the end user selecting the File Open command.
Notes to Callers
method in file monikers calls this method to load an object during a moniker
binding operation, that is, when the linked object is run.
Typically, applications do not call this method directly.
Notes to Implementors
Because the information needed to open a file varies greatly from one
application to another, the object that implements this method must also open the file
specified by the pszFileName
parameter. Note that this differs from the IPersistStorage::Load
in which the caller opens the storage or stream and then passes an open
storage or stream pointer to the loaded object.
If your application normally uses the OLE-provided compound files, then your IPersistFile::Load
implementation can simply call the StgOpenStorage
helper API function to open the storage object in the specified file. Then,
you can proceed with the normal document initialization. Applications that do
not use storage objects can perform their normal file opening procedures.
When the document has been loaded, your implementation should register the
document object in the Running Object Table (see IRunningObjectTable::Register
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