IOpcSignatureCustomObjectEnumerator::MovePrevious method (msopc.h)

Moves the current position of the enumerator to the previous IOpcSignatureCustomObjectinterface pointer.

Syntax

HRESULT MovePrevious(
  BOOL *hasPrevious
);

Parameters

hasPrevious

A Boolean value that indicates the status of the IOpcSignatureCustomObjectinterface pointer 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The current position of the enumerator has been moved past the beginning of the collection and is no longer valid.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
S_OK
The method succeeded.
E_POINTER
The hasPrevious parameter is NULL.
OPC_E_ENUM_COLLECTION_CHANGED
0x80510050
The enumerator is invalid because the underlying set has changed.
OPC_E_ENUM_CANNOT_MOVE_PREVIOUS
0x80510052
The current position already precedes the first item of the enumerator.

Requirements

   
Minimum supported client Windows 7 [desktop apps only]
Minimum supported server Windows Server 2008 R2 [desktop apps only]
Target Platform Windows
Header msopc.h

See also

Core Packaging Interfaces

Getting Started with the Packaging API

IOpcSignatureCustomObjectEnumerator

IOpcSignatureCustomObjectSet

Overviews

Packaging API Programming Guide

Packaging API Reference

Packaging API Samples

Packaging Digital Signature Interfaces

Packaging Interfaces

Reference