diff --git a/Windows API/ComVssDeleteShadowVolumeBackups.cpp b/Windows API/ComVssDeleteShadowVolumeBackups.cpp
index 2b939d9..6bdcab0 100644
--- a/Windows API/ComVssDeleteShadowVolumeBackups.cpp	
+++ b/Windows API/ComVssDeleteShadowVolumeBackups.cpp	
@@ -1,3 +1,118 @@
+CONST IID IID_IVssCoordinator = { 0xda9f41d4, 0x1a5d, 0x41d0, {0xa6, 0x14, 0x6d, 0xfd, 0x78, 0xdf, 0x5d, 0x05} };
+CONST IID CLSID_CVssCoordinator = { 0xe579ab5f, 0x1cc4, 0x44b4, {0xbe, 0xd9, 0xde, 0x09, 0x91, 0xff, 0x06, 0x23} };
+typedef GUID VSS_ID;
+typedef WCHAR* VSS_PWSZ;
+typedef LONGLONG VSS_TIMESTAMP;
+
+typedef enum _VSS_SNAPSHOT_STATE{
+	VSS_SS_UNKNOWN = 0,
+	VSS_SS_PREPARING = (VSS_SS_UNKNOWN + 1),
+	VSS_SS_PROCESSING_PREPARE = (VSS_SS_PREPARING + 1),
+	VSS_SS_PREPARED = (VSS_SS_PROCESSING_PREPARE + 1),
+	VSS_SS_PROCESSING_PRECOMMIT = (VSS_SS_PREPARED + 1),
+	VSS_SS_PRECOMMITTED = (VSS_SS_PROCESSING_PRECOMMIT + 1),
+	VSS_SS_PROCESSING_COMMIT = (VSS_SS_PRECOMMITTED + 1),
+	VSS_SS_COMMITTED = (VSS_SS_PROCESSING_COMMIT + 1),
+	VSS_SS_PROCESSING_POSTCOMMIT = (VSS_SS_COMMITTED + 1),
+	VSS_SS_PROCESSING_PREFINALCOMMIT = (VSS_SS_PROCESSING_POSTCOMMIT + 1),
+	VSS_SS_PREFINALCOMMITTED = (VSS_SS_PROCESSING_PREFINALCOMMIT + 1),
+	VSS_SS_PROCESSING_POSTFINALCOMMIT = (VSS_SS_PREFINALCOMMITTED + 1),
+	VSS_SS_CREATED = (VSS_SS_PROCESSING_POSTFINALCOMMIT + 1),
+	VSS_SS_ABORTED = (VSS_SS_CREATED + 1),
+	VSS_SS_DELETED = (VSS_SS_ABORTED + 1),
+	VSS_SS_POSTCOMMITTED = (VSS_SS_DELETED + 1),
+	VSS_SS_COUNT = (VSS_SS_POSTCOMMITTED + 1)
+} VSS_SNAPSHOT_STATE;
+
+typedef enum _VSS_OBJECT_TYPE{
+	VSS_OBJECT_UNKNOWN = 0,
+	VSS_OBJECT_NONE = (VSS_OBJECT_UNKNOWN + 1),
+	VSS_OBJECT_SNAPSHOT_SET = (VSS_OBJECT_NONE + 1),
+	VSS_OBJECT_SNAPSHOT = (VSS_OBJECT_SNAPSHOT_SET + 1),
+	VSS_OBJECT_PROVIDER = (VSS_OBJECT_SNAPSHOT + 1),
+	VSS_OBJECT_TYPE_COUNT = (VSS_OBJECT_PROVIDER + 1)
+} VSS_OBJECT_TYPE;
+
+typedef enum _VSS_PROVIDER_TYPE{
+	VSS_PROV_UNKNOWN = 0,
+	VSS_PROV_SYSTEM = 1,
+	VSS_PROV_SOFTWARE = 2,
+	VSS_PROV_HARDWARE = 3,
+	VSS_PROV_FILESHARE = 4
+} VSS_PROVIDER_TYPE;
+
+typedef struct _VSS_SNAPSHOT_PROP{
+	VSS_ID m_SnapshotId;
+	VSS_ID m_SnapshotSetId;
+	LONG m_lSnapshotsCount;
+	VSS_PWSZ m_pwszSnapshotDeviceObject;
+	VSS_PWSZ m_pwszOriginalVolumeName;
+	VSS_PWSZ m_pwszOriginatingMachine;
+	VSS_PWSZ m_pwszServiceMachine;
+	VSS_PWSZ m_pwszExposedName;
+	VSS_PWSZ m_pwszExposedPath;
+	VSS_ID m_ProviderId;
+	LONG m_lSnapshotAttributes;
+	VSS_TIMESTAMP m_tsCreationTimestamp;
+	VSS_SNAPSHOT_STATE m_eStatus;
+} VSS_SNAPSHOT_PROP;
+
+typedef struct _VSS_PROVIDER_PROP{
+	VSS_ID m_ProviderId;
+	VSS_PWSZ m_pwszProviderName;
+	VSS_PROVIDER_TYPE m_eProviderType;
+	VSS_PWSZ m_pwszProviderVersion;
+	VSS_ID m_ProviderVersionId;
+	CLSID m_ClassId;
+} VSS_PROVIDER_PROP;
+
+typedef union __MIDL___MIDL_itf_vss_0000_0000_0001{
+	VSS_SNAPSHOT_PROP Snap;
+	VSS_PROVIDER_PROP Prov;
+} VSS_OBJECT_UNION;
+
+typedef struct _VSS_OBJECT_PROP{
+	VSS_OBJECT_TYPE Type;
+	VSS_OBJECT_UNION Obj;
+} VSS_OBJECT_PROP;
+
+struct __declspec(uuid("AE1C7110-2F60-11d3-8A39-00C04F72D8E3"))
+	IVssEnumObject : public IUnknown{
+#pragma warning( push )
+#pragma warning( disable : 28285)
+	virtual HRESULT __stdcall Next(ULONG, __RPC__out_ecount_part(celt, *pceltFetched) VSS_OBJECT_PROP*, ULONG*) = 0;
+#pragma warning( pop ) 
+	virtual HRESULT __stdcall Skip(ULONG) = 0;
+	virtual HRESULT __stdcall Reset(VOID) = 0;
+	virtual HRESULT __stdcall Clone(IVssEnumObject**) = 0;
+};
+
+struct __declspec(uuid("507C37B4-CF5B-4e95-B0AF-14EB9767467E"))
+	IVssAsync : public IUnknown{
+	virtual HRESULT __stdcall Cancel(VOID) = 0;
+	virtual HRESULT __stdcall Wait(DWORD dwMilliseconds = 0xffffffff) = 0;
+	virtual HRESULT __stdcall QueryStatus(HRESULT*, INT*) = 0;
+};
+
+struct __declspec(uuid("{da9f41d4-1a5d-41d0-a614-6dfd78df5d05}"))
+	IVssCoordinator: public IUnknown{
+	virtual HRESULT __stdcall SetContext(LONG) = 0;
+	virtual HRESULT __stdcall StartSnapshotSet(LPGUID) = 0;
+	virtual HRESULT __stdcall AddToSnapshotSet(PWCHAR, GUID, LPGUID) = 0;
+	virtual HRESULT __stdcall DoSnapshotSet(IDispatch*, IVssAsync**) = 0;
+	virtual HRESULT __stdcall GetSnapshotProperties(GUID, VSS_SNAPSHOT_PROP*) = 0;
+	virtual HRESULT __stdcall ExposeSnapshot(GUID, PWCHAR, LONG, PWCHAR, PWCHAR*) = 0;
+	virtual HRESULT __stdcall ImportSnapshots(PUSHORT, IVssAsync**) = 0;
+	virtual HRESULT __stdcall Query(GUID, VSS_OBJECT_TYPE, VSS_OBJECT_TYPE, IVssEnumObject**) = 0;
+	virtual HRESULT __stdcall DeleteSnapshots(GUID, VSS_OBJECT_TYPE, INT, PLONG, LPGUID) = 0;
+	virtual HRESULT __stdcall BreakSnapshotSet(GUID) = 0;
+	virtual HRESULT __stdcall RevertToSnapshot(GUID, INT) = 0;
+	virtual HRESULT __stdcall QueryRevertStatus(PWCHAR, IVssAsync**) = 0;
+	virtual HRESULT __stdcall IsVolumeSupported(GUID, PWCHAR, PINT) = 0;
+	virtual HRESULT __stdcall IsVolumeSnapshotted(GUID, PWCHAR, PINT, PLONG) = 0;
+	virtual HRESULT __stdcall SetWriterInstance(LONG, LPGUID) = 0;
+};
+
 HRESULT ComDisableGlobalSeh(VOID)
 {
 	HRESULT Result = S_OK;