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The VSS_ALTERNATE_WRITER_STATE enumeration is used to indicate whether a given writer has an associated alternate writer. The existence of an alternate writer is set during writer initialization by CVssWriter::Initialize.
Currently, the only supported value for a method taking a VSS_ALTERNATE_WRITER_STATE argument is VSS_AWS_NO_ALTERNATE_WRITER.
Syntax
typedef enum VSS_ALTERNATE_WRITER_STATE {
VSS_AWS_UNDEFINED = 0,
VSS_AWS_NO_ALTERNATE_WRITER,
VSS_AWS_ALTERNATE_WRITER_EXISTS,
VSS_AWS_THIS_IS_ALTERNATE_WRITER
} ;
Constants
VSS_AWS_UNDEFINEDValue: 0 No information is available as to the existence of an alternate writer. This value indicates an application error. This enumeration value is reserved for future use. |
VSS_AWS_NO_ALTERNATE_WRITERA given writer does not have an alternate writer. |
VSS_AWS_ALTERNATE_WRITER_EXISTSAn alternate writer exists. This alternate writer runs when the writer is not available. This enumeration value is reserved for future use. |
VSS_AWS_THIS_IS_ALTERNATE_WRITERThe writer in question is an alternate writer. This enumeration value is reserved for future use. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Header | vswriter.h |