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program Snapshot;

uses
  SysUtils,
  Windows,
  Classes,
  Registry;

function RegistrySnapshot(const Root: HKEY; const Key:string; Strs:TStrings;
 const Append:boolean): boolean;
var Registry:TRegistry;
    RootKeyName:string;

 function GetValue(const Name:string=''):string;

  function EscapeStr(const Str:string):string;
  begin
   Result:=StringReplace(Str,'"','\"',[rfReplaceAll]);
  end;

 var DataType: TRegDataType;
     Buf: array of Char;
     i: integer;
 begin
  if length(Name)>0 then DataType:=Registry.GetDataType(Name)
   else DataType:=rdString;

  case DataType of
   rdExpandString,
   rdString: Result:='"'+EscapeStr(Registry.ReadString(Name))+'"';
   rdInteger:Result:='dword:'+LowerCase(IntToHex(Registry.ReadInteger(Name),8));
   {rdUnknown,
   rdBinary,}
   else begin
    SetLength(Buf,Registry.GetDataSize(Name));
    Registry.ReadBinaryData(Name,Buf[0],Registry.GetDataSize(Name));
    Result:='';
    for i:=0 to Length(Buf)-1 do Result:=Result+','+IntToHex(Ord(Buf[i]),2);
    Result:='hex:'+LowerCase(copy(Result,2,length(Result)));
   end;
  end;
 end;

 procedure SnapKey(const KeyName:string);
 var Objects:TStrings;
     i:integer;
 begin
  Objects:=TStringList.Create;
  with Registry do try
   if OpenKeyReadOnly(KeyName) then begin
    Strs.Add('');
    Strs.Add('['+RootKeyName+KeyName+']');
    // First the standard value (if any)
    if ValueExists('') then Strs.Add('@='+GetValue);
    // Then get all values
    GetValueNames(Objects);
    for i:=0 to Objects.Count-1 do begin
     Strs.Add('"'+Objects[i]+'"='+GetValue(Objects[i]));
    end;
    // The same procedure for all subkeys
    GetKeyNames(Objects);
    for i:=0 to Objects.Count-1 do SnapKey(KeyName+'\'+Objects[i]);
   end;
  finally
   Objects.Free;
  end;
 end;

begin
 Result:=False;
 case Root of
  HKEY_CLASSES_ROOT:    RootKeyName:='HKEY_CLASSES_ROOT';
  HKEY_CURRENT_USER:    RootKeyName:='HKEY_CURRENT_USER';
  HKEY_LOCAL_MACHINE:   RootKeyName:='HKEY_LOCAL_MACHINE';
  HKEY_USERS:           RootKeyName:='HKEY_USERS';
  HKEY_PERFORMANCE_DATA:RootKeyName:='HKEY_PERFORMANCE_DATA';
  HKEY_CURRENT_CONFIG:  RootKeyName:='HKEY_CURRENT_CONFIG';
  HKEY_DYN_DATA:        RootKeyName:='HKEY_DYN_DATA';
  else RootKeyName:='Unknown';
 end;
 if not Append then begin
  Strs.Clear;
  Strs.Add('REGEDIT4');
 end;
 Registry:=TRegistry.Create;
 with Registry do try
  RootKey:=Root;
  if not KeyExists(Key) then Exit;
  SnapKey(Key);
 finally
  CloseKey;
  Free;
 end;
end;

var i:integer;
    Root,Key:string;
    HRoot: HKEY;
    Output: TStrings;
begin
 HRoot:=0;
 Output:=TStringList.Create;
 try
  for i:=1 to ParamCount do begin
   Root:=UpperCase(copy(ParamStr(i),1,pos('\',ParamStr(i))-1));
   Key:=copy(ParamStr(i),pos('\',ParamStr(i))+1,length(ParamStr(i)));
   if Root='HKEY_CLASSES_ROOT' then HRoot:=HKEY_CLASSES_ROOT
   else if Root='HKEY_CURRENT_USER' then HRoot:=HKEY_CURRENT_USER
   else if Root='HKEY_LOCAL_MACHINE' then HRoot:=HKEY_LOCAL_MACHINE
   else if Root='HKEY_USERS' then HRoot:=HKEY_USERS
   else if Root='HKEY_PERFORMANCE_DATA' then HRoot:=HKEY_PERFORMANCE_DATA
   else if Root='HKEY_CURRENT_CONFIG' then HRoot:=HKEY_CURRENT_CONFIG
   else if Root='HKEY_DYN_DATA' then HRoot:=HKEY_DYN_DATA
   else begin
    MessageBox(0,PChar('Unknown root key. Ignoring'+#13+Root),'Error',
     MB_ICONERROR);
    Continue;
   end;

   if length(Key)>0 then Key:='\'+Key;
   RegistrySnapshot(HRoot,Key,Output,i>1);
  end;

  {$APPTYPE CONSOLE}
  Writeln(Output.Text);
 finally
  Output.Free;
 end;
end.					

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ShellExecute(Form1.Handle
             ,'open'
             ,'regedit.exe'
             ,Pchar('/e C:\@Archiv\bmp.REG "HKEY_CLASSES_ROOT\.bmp"')
             ,''
             ,SW_SHOWNORMAL);