/// <summary>
/// Starts system restore
/// </summary>
/// <param name="strDescription">The description of the restore</param>
/// <param name="rt">The type of restore point</param>
/// <param name="lSeqNum">Returns the sequence number</param>
/// <returns>The status of call</returns>
/// <seealso cref="Use EndRestore() or CancelRestore() to end the system restore"/>
public static int StartRestore(string strDescription, RestoreType rt, out long lSeqNum)
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
{
lSeqNum = 0;
return(-1);
}
try
{
// Prepare Restore Point
rpInfo.dwEventType = BeginSystemChange;
// By default we create a verification system
rpInfo.dwRestorePtType = (int)rt;
rpInfo.llSequenceNumber = 0;
rpInfo.szDescription = strDescription;
SRSetRestorePointW(ref rpInfo, out rpStatus);
}
catch (DllNotFoundException)
{
lSeqNum = 0;
return(-1);
}
lSeqNum = rpStatus.llSequenceNumber;
return(rpStatus.nStatus);
}
/// <summary>
/// Cancels restore call
/// </summary>
/// <param name="lSeqNum">The restore sequence number</param>
/// <returns>The status of call</returns>
public static int CancelRestore(long lSeqNum)
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
{
return(-1);
}
try
{
rpInfo.dwEventType = EndSystemChange;
rpInfo.dwRestorePtType = (int)RestoreType.CancelledOperation;
rpInfo.llSequenceNumber = lSeqNum;
SRSetRestorePointW(ref rpInfo, out rpStatus);
}
catch (DllNotFoundException)
{
return(-1);
}
return(rpStatus.nStatus);
}
/// <summary>
/// Cancels restore call
/// </summary>
/// <param name="lSeqNum">The restore sequence number</param>
/// <exception cref="System.ComponentModel.Win32Exception">
/// Thrown when STATEMGRSTATUS.nStatus doesn't equal 0
/// (ERROR_SUCCESS)
/// </exception>
internal static void CancelRestore(long lSeqNum)
{
var rpInfo = new RestorePointInfo();
var rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
{
return;
}
try
{
rpInfo.dwEventType = EndSystemChange;
rpInfo.dwRestorePtType = (int)RestoreType.CancelledOperation;
rpInfo.llSequenceNumber = lSeqNum;
SRSetRestorePointW(ref rpInfo, out rpStatus);
}
catch (DllNotFoundException)
{
rpStatus.nStatus = 2;
}
if (rpStatus.nStatus != 0)
{
throw new Win32Exception(rpStatus.nStatus);
}
}
public bool CreateRestorePoint(string RPName)
{
try
{
RegistryKey SystemRestoreKey = Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows NT\\CurrentVersion\\SystemRestore", true);
SystemRestoreKey.SetValue("SystemRestorePointCreationFrequency", 0, RegistryValueKind.DWord);
bool result = false;
RESTOREPOINTINFO RPInfo = new RESTOREPOINTINFO();
STATEMGRSTATUS RPStatus = new STATEMGRSTATUS();
RPInfo.dwEventType = 100;
RPInfo.dwRestorePtType = 16;
RPInfo.llSequenceNumber = 0;
RPInfo.szDescription = RPName;
result = SRSetRestorePoint(ref RPInfo, ref RPStatus);
SystemRestoreKey.DeleteValue("SystemRestorePointCreationFrequency");
return(result);
}
catch
{
return(false);
}
}
public static int FirstRunRestore(string strDescription)
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
{
return(0);
}
try
{
// Prepare Restore Point
rpInfo.dwEventType = BeginSystemChange;
rpInfo.dwRestorePtType = (int)RestoreType.FirstRun;
rpInfo.llSequenceNumber = 0;
rpInfo.szDescription = strDescription;
SRSetRestorePointW(ref rpInfo, out rpStatus);
EndRestore(rpStatus.llSequenceNumber);
}
catch (DllNotFoundException)
{
return(0);
}
return(rpStatus.nStatus);
}
/// <summary>
/// Starts system restore
/// Use SysRestore.EndRestore or SysRestore.CancelRestore to end the system restore
/// </summary>
/// <param name="description">The description of the restore</param>
/// <param name="lSeqNum">Returns the sequence number</param>
/// <exception cref="System.ComponentModel.Win32Exception">
/// Thrown when STATEMGRSTATUS.nStatus doesn't equal 0
/// (ERROR_SUCCESS)
/// </exception>
internal static void StartRestore(string description, out long lSeqNum)
{
var rpInfo = new RestorePointInfo();
var rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
{
lSeqNum = 0;
return;
}
try
{
// Prepare Restore Point
rpInfo.dwEventType = BeginSystemChange;
// By default we create a verification system
rpInfo.dwRestorePtType = (int)RestoreType.Restore;
rpInfo.llSequenceNumber = 0;
rpInfo.szDescription = description;
SRSetRestorePointW(ref rpInfo, out rpStatus);
}
catch (DllNotFoundException)
{
rpStatus.nStatus = 2;
}
if (rpStatus.nStatus != 0)
{
lSeqNum = 0;
throw new Win32Exception(rpStatus.nStatus);
}
lSeqNum = rpStatus.llSequenceNumber;
}
/// <summary>
/// Cancels restore call
/// </summary>
/// <param name="lSeqNum">The restore sequence number</param>
/// <returns>The status of call</returns>
internal static int CancelRestore( long lSeqNum )
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if ( !SysRestoreAvailable() )
return -1;
try
{
rpInfo.dwEventType = EndSystemChange;
rpInfo.dwRestorePtType = (int)RestoreType.CancelledOperation;
rpInfo.llSequenceNumber = lSeqNum;
SRSetRestorePointW( ref rpInfo, out rpStatus );
}
catch ( DllNotFoundException )
{
return -1;
}
return rpStatus.nStatus;
}
internal static extern bool SRSetRestorePointW(ref RestorePointInfo pRestorePtSpec, out STATEMGRSTATUS pSMgrStatus);
/// <summary>
/// Starts system restore
/// </summary>
/// <param name="strDescription">The description of the restore</param>
/// <param name="rt">The type of restore point</param>
/// <param name="lSeqNum">Returns the sequence number</param>
/// <returns>The status of call</returns>
/// <seealso cref="Use EndRestore() or CancelRestore() to end the system restore"/>
internal static int StartRestore( string strDescription, RestoreType rt, out long lSeqNum )
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if ( !SysRestoreAvailable() )
{
lSeqNum = 0;
return -1;
}
try
{
// Prepare Restore Point
rpInfo.dwEventType = BeginSystemChange;
// By default we create a verification system
rpInfo.dwRestorePtType = (int)rt;
rpInfo.llSequenceNumber = 0;
rpInfo.szDescription = strDescription;
SRSetRestorePointW( ref rpInfo, out rpStatus );
}
catch ( DllNotFoundException )
{
lSeqNum = 0;
return -1;
}
lSeqNum = rpStatus.llSequenceNumber;
return rpStatus.nStatus;
}
internal static extern bool SRSetRestorePointW( ref RestorePointInfo pRestorePtSpec, out STATEMGRSTATUS pSMgrStatus );
static extern bool SRSetRestorePoint(ref RESTOREPOINTINFO SRPInfo, ref STATEMGRSTATUS SRPStatus);
public static int FirstRunRestore(string strDescription)
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
return 0;
try
{
// Prepare Restore Point
rpInfo.dwEventType = BeginSystemChange;
rpInfo.dwRestorePtType = (int)RestoreType.FirstRun;
rpInfo.llSequenceNumber = 0;
rpInfo.szDescription = strDescription;
SRSetRestorePointW(ref rpInfo, out rpStatus);
EndRestore(rpStatus.llSequenceNumber);
}
catch (DllNotFoundException)
{
return 0;
}
return rpStatus.nStatus;
}
/// <summary>
/// Ends system restore call
/// </summary>
/// <param name="lSeqNum">The restore sequence number</param>
/// <returns>The status of call</returns>
public static int EndRestore(long lSeqNum)
{
RestorePointInfo rpInfo = new RestorePointInfo();
STATEMGRSTATUS rpStatus = new STATEMGRSTATUS();
if (!SysRestoreAvailable())
return 0;
try
{
rpInfo.dwEventType = EndSystemChange;
rpInfo.llSequenceNumber = lSeqNum;
SRSetRestorePointW(ref rpInfo, out rpStatus);
}
catch (DllNotFoundException)
{
return 0;
}
return rpStatus.nStatus;
}
public void End()
{
if (this.set)
{
STATEMGRSTATUS status = new STATEMGRSTATUS();
RestorePointInfo rpi = new RestorePointInfo();
rpi.dwEventType = EndSystemChange;
rpi.dwRestorePtType = (int)RestoreType.Checkpoint;
rpi.llSequenceNumber = this.restoreseq;
rpi.szDescription = description;
this.set = SRSetRestorePointW(ref rpi, out status);
}
}
public RestorePoint(string description)
{
this.description = description;
STATEMGRSTATUS status = new STATEMGRSTATUS();
RestorePointInfo rpi = new RestorePointInfo();
rpi.dwEventType = BeginSystemChange;
rpi.dwRestorePtType = (int)RestoreType.Checkpoint;
rpi.llSequenceNumber = 0;
rpi.szDescription = description;
try
{
this.set = SRSetRestorePointW(ref rpi, out status);
}
catch
{
this.set = false;
Trace.WriteLine("System Restore Point Not Set (System restore points don't exist on sever class versions of Windows)");
}
this.restoreseq = status.llSequenceNumber;
}
public RestorePoint(string description)
{
this.description = description;
STATEMGRSTATUS status = new STATEMGRSTATUS();
RestorePointInfo rpi = new RestorePointInfo();
rpi.dwEventType = BeginSystemChange;
rpi.dwRestorePtType = (int)RestoreType.Checkpoint;
rpi.llSequenceNumber = 0;
rpi.szDescription = description;
this.set = SRSetRestorePointW(ref rpi, out status);
this.restoreseq = status.llSequenceNumber;
}
