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Guidelines for Implementing the Document Summary Information Property Set
The following guidelines pertain to the Document Summary Information property
set described in the preceding section:
- PID_TEMPLATE refers to an external document containing formatting and styling
information. The means by which the template is located is implementation
defined.
- PID_LASTAUTHOR is the name stored in User Information by the application. For
example, suppose Mary creates a document on her machine and gives it to John,
who then modifies and saves it. Mary is the author, John is the last saved by
value.
- PID_REVNUMBER is the number of times the File/Save command has been called on
this document.
- PID_CREATE_DTM is a read-only property; this property should be set when a
document is created, but should not be subsequently changed.
- For PID_THUMBNAIL, applications should store data in CF_DIB or CF_METAFILEPICT
format. CF_METAFILEPICT is recommended.
- PID_SECURITY is the suggested security level for the document. By noting the
security level on the document, an application other than the originator of the
document can adjust its user interface to the properties appropriately. An
application should not display any information about a password protected document
or allow modifications to enforced read-only or locked-for-annotations
documents. Applications should warn the user about read-only recommended if the user
attempts to modify properties:
Security Level
| Value
| None
| 0
| Password protected
| -
| Read-only recommended
| -
| Read-only enforced
| -
| Locked for annotations
| -
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