Title: create a System Restore point (XP)?
{
If you haven't installed the Microsoft Scripting Control yet
(TScriptControl component),
get it from http://www.msdn.microsoft.com/scripting/
Once you've downloaded and run the installation, start Delphi and go to the
Component | Import ActiveX Control... menu.
Select "Microsoft Script Control 1.0" from the Listbox amd click "Install"
to install the component into Delphi's palette.
What you should end up with now is a TScriptControl component on your ActiveX tab.
Start a new application, and drop a TButton, and a TScriptControl onto the main form.
In the OnClick event of Button1, put the following code:
}
{
Wenn du das Microsoft Scripting Control noch nicht installiert hast
(Komponente TScriptControl), dann kannst du hier runterladen:
http://www.msdn.microsoft.com/scripting/
Nachdem Herunterladen und der Installation wähle in der Delphi IDE unter dem
Menü "Komponente" den Menüpunkt "ActiveX importieren".
Dann in der Listbox "Microsoft Script Control 1.0" auswählen und "Installieren..."
anklicken.
Nun sollte die TScriptControl Komponente unter dem ActiveX Register zu finden sein.
Plaziere nun eine TScriptControl Komponente und einen TButton auf einer Form und
schreibe im OnClick Ereignis des Buttons den folgenden Code:
}
procedure TForm1.Button1Click(Sender: TObject);
var
sr: OLEVAriant;
begin
ScriptControl1.Language := 'VBScript';
sr := ScriptControl1.Eval('getobject("winmgmts:\\.\root\default:Systemrestore")');
if sr.CreateRestorePoint('Automatic Restore Point', 0, 100) = 0 then
ShowMessage('New Restore Point successfully created.')
// Wiederherstellungspunkt erfolgreich erstellt
else
ShowMessage('Restore Point creation Failed!');
// Wiederherstellungspunkt Erstellung fehlgeschlagen.
end;
{*****************************************************}
{2. Using the SRSetRestorePoint() API from SrClient.dll}
// Translation from SRRestorePtAPI.h
const
// Type of Event
BEGIN_SYSTEM_CHANGE = 100;
END_SYSTEM_CHANGE = 101;
// Type of Restore Points
APPLICATION_INSTALL = 0;
CANCELLED_OPERATION = 13;
MAX_DESC = 64;
MIN_EVENT = 100;
// Restore point information
type
PRESTOREPTINFOA = ^_RESTOREPTINFOA;
_RESTOREPTINFOA = packed record
dwEventType: DWORD; // Type of Event - Begin or End
dwRestorePtType: DWORD; // Type of Restore Point - App install/uninstall
llSequenceNumber: INT64; // Sequence Number - 0 for begin
szDescription: array [0..MAX_DESC] of CHAR; // Description - Name of Application / Operation
end;
RESTOREPOINTINFO = _RESTOREPTINFOA;
PRESTOREPOINTINFOA = ^_RESTOREPTINFOA;
// Status returned by System Restore
PSMGRSTATUS = ^_SMGRSTATUS;
_SMGRSTATUS = packed record
nStatus: DWORD; // Status returned by State Manager Process
llSequenceNumber: INT64; // Sequence Number for the restore point
end;
STATEMGRSTATUS = _SMGRSTATUS;
PSTATEMGRSTATUS = ^_SMGRSTATUS;
function SRSetRestorePointA(pRestorePtSpec: PRESTOREPOINTINFOA; pSMgrStatus: PSTATEMGRSTATUS): Bool;
stdcall; external 'SrClient.dll' Name 'SRSetRestorePointA';
// Example how to create and cancel a previous restore point.
// Ref: http://tinyurl.com/78pv
procedure TForm1.Button1Click(Sender: TObject);
const
CR = #13#10;
var
RestorePtSpec: RESTOREPOINTINFO;
SMgrStatus: STATEMGRSTATUS;
begin
// Initialize the RESTOREPOINTINFO structure
RestorePtSpec.dwEventType := BEGIN_SYSTEM_CHANGE;
RestorePtSpec.dwRestorePtType := APPLICATION_INSTALL;
RestorePtSpec.llSequenceNumber := 0;
RestorePtSpec.szDescription := 'SAMPLE RESTORE POINT';
if (SRSetRestorePointA(@RestorePtSpec, @SMgrStatus)) then
begin
ShowMessage('Restore point set. Restore point data:' + CR+
'Sequence Number: ' + Format('%d', [SMgrStatus.llSequenceNumber]) + CR+
'Status: ' + Format('%u', [SMgrStatus.nStatus]));
// Restore Point Spec to cancel the previous restore point.
RestorePtSpec.dwEventType := END_SYSTEM_CHANGE;
RestorePtSpec.dwRestorePtType := CANCELLED_OPERATION;
RestorePtSpec.llSequenceNumber := SMgrStatus.llSequenceNumber;
// This is the sequence number returned by the previous call.
// Canceling the previous restore point
if (SRSetRestorePointA(@RestorePtSpec, @SMgrStatus)) then
ShowMessage('Restore point canceled. Restore point data:' + CR+
'Sequence Number: ' + Format('%d', [SMgrStatus.llSequenceNumber]) + CR+
'Status: ' + Format('%u', [SMgrStatus.nStatus]))
else
ShowMessage('Couldn''t cancel restore point.');
end
else
ShowMessage('Couldn''t set restore point.');
end;
end;