IVssComponent::GetDifferencedFilesCount method (vswriter.h)
The GetDifferencedFilesCount method returns the number of file specifications in this component (and in any subcomponents of the component set it defines) marked by a writer supporting an incremental backup or restore as differenced files—that is, backup and restores associated with it are to be implemented as if entire files are copied to and from backup media (as opposed to using partial files).
Syntax
HRESULT GetDifferencedFilesCount(
[out] UINT *pcDifferencedFiles
);
Parameters
[out] pcDifferencedFiles
The address of a caller-allocated variable that receives the number of differenced file specifications.
Return value
The following are the valid return codes for this method.
| Value | Meaning |
|---|---|
|
Successfully returned the attribute value. |
|
One of the parameter values is not valid. |
|
The caller is out of memory or other system resources. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | vswriter.h (include Vss.h, VsWriter.h) |
| Library | VssApi.lib |
See also
IVssComponent::AddDifferencedFilesByLastModifyTime