/// <summary>
/// Starts restore
/// </summary>
/// <param name="Description"></param>
/// <returns></returns>
public bool StartRestore(string Description)
{
int maj = Environment.OSVersion.Version.Major;
int min = Environment.OSVersion.Version.Minor;
RESTOREPTINFO tRPI = new RESTOREPTINFO();
SMGRSTATUS tStatus = new SMGRSTATUS();
// compatability
if (!(maj == 4 && min == 90 || maj > 4))
{
return false;
}
tRPI.dwEventType = BEGIN_SYSTEM_CHANGE;
tRPI.dwRestorePtType = (int)RESTORE_TYPE.MODIFY_SETTINGS;
tRPI.llSequenceNumber = 0;
tRPI.szDescription = Description;
// test for key that defines multiple restores per cycle
cLightning cl = new cLightning();
if (cl.ValueExists(cLightning.ROOT_KEY.HKEY_LOCAL_MACHINE, RESTORE_KEY, RESTORE_VALUE))
{
_iRestInt = cl.ReadDword(cLightning.ROOT_KEY.HKEY_LOCAL_MACHINE, RESTORE_KEY, RESTORE_VALUE);
}
// set to 2 minutes
cl.WriteDword(cLightning.ROOT_KEY.HKEY_LOCAL_MACHINE, RESTORE_KEY, RESTORE_VALUE, 2);
if (SRSetRestorePointW(ref tRPI, out tStatus))
{
_lSeqNum = tStatus.llSequenceNumber;
return true;
}
return false;
}
/// <summary>
/// Ends restore
/// </summary>
/// <param name="Cancel"></param>
/// <returns></returns>
public bool EndRestore(bool Cancel)
{
RESTOREPTINFO tRPI = new RESTOREPTINFO();
SMGRSTATUS tStatus = new SMGRSTATUS();
bool success = false;
tRPI.dwEventType = END_SYSTEM_CHANGE;
tRPI.llSequenceNumber = _lSeqNum;
if (Cancel == true)
{
tRPI.dwRestorePtType = CANCELLED_OPERATION;
}
try
{
success = (SRSetRestorePointW(ref tRPI, out tStatus));
}
finally
{
// reset
cLightning cl = new cLightning();
cl.WriteDword(cLightning.ROOT_KEY.HKEY_LOCAL_MACHINE, RESTORE_KEY, RESTORE_VALUE, _iRestInt);
}
return success;
}