IOpcCertificateEnumerator::MovePrevious method
Moves the current position of the enumerator to the previous CERT_CONTEXT structure.
Syntax
HRESULT MovePrevious( [out, retval] BOOL *hasPrevious );
Parameters
- hasPrevious [out, retval]
-
A Boolean value that indicates the status of the CERT_CONTEXT structure at the current position.
The value of hasPrevious is only valid when the method succeeds.
Value Meaning - TRUE
The current position of the enumerator has been moved to the previous pointer in the collection, and that pointer is valid.
- FALSE
The current position of the enumerator has been moved past the beginning of the collection and is no longer valid.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code/value | Description |
|---|---|
|
The method succeeded. |
|
The hasPrevious parameter is NULL. |
|
The enumerator is invalid because the underlying set has changed. |
|
The current position already precedes the first item of the enumerator. |
Thread Safety
Packaging objects are not thread-safe.
For more information, see the Getting Started with the Packaging API.
Requirements
|
Minimum supported client | Windows 7 [desktop apps only] |
|---|---|
|
Minimum supported server | Windows Server 2008 R2 [desktop apps only] |
|
Header |
|
|
IDL |
|
See also
- IOpcCertificateEnumerator
- Overviews
- Certificates
- Digital Signatures Overview
- Getting Started with the Packaging API
- Packaging API Programming Guide
- Reference
- IOpcCertificateSet
- Core Packaging Interfaces
- Packaging Interfaces
- Packaging API Reference
- Packaging API Samples