The Volume Shadow Copy Service (VSS) API provides both COM and C++ interfaces to support the creation of requesters and writers.

VSS Requester-Specific Interfaces

• IVssBackupComponents
• IVssBackupComponentsEx
• IVssBackupComponentsEx2
• IVssBackupComponentsEx3
• IVssExamineWriterMetadata
• IVssExamineWriterMetadataEx
• IVssExamineWriterMetadataEx2
• IVssWMComponent
• IVssWriterComponentsExt

VSS Writer-Specific Interfaces

• IVssCreateExpressWriterMetadata
• IVssCreateWriterMetadata
• IVssCreateWriterMetadataEx
• IVssExpressWriter
• IVssWriterComponents

VSS Hardware Provider-Specific Interfaces

• IVssAdmin
• IVssHardwareSnapshotProvider
• IVssHardwareSnapshotProviderEx
• IVssProviderCreateSnapshotSet
• IVssProviderNotifications

VSS Software Provider-Specific Interfaces

• IVssSoftwareSnapshotProvider

VSS Shared Interfaces

• IVssAsync
• IVssComponent
• IVssComponentEx
• IVssComponentEx2
• IVssEnumObject
• IVssWMDependency
• IVssWMFiledesc

VSS Management Interfaces

• IVssDifferentialSoftwareSnapshotMgmt
• IVssDifferentialSoftwareSnapshotMgmt2
• IVssDifferentialSoftwareSnapshotMgmt3
• IVssEnumMgmtObject
• IVssSnapshotMgmt
• IVssSnapshotMgmt2

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Build date: 11/12/2009