Unknown identifier and wpSelectDir - service

Question

I have an error that's occuring during the compliation of my Inno Setup script.
Unknown identifier 'PathOfDir2'
I know I can set var PathOfDir2: String; but i don't know where and if it will receive the value from my wpSelectDir.
Dooes anyone know what's going wrong?
[code]
// Variables Globales
var
TimeZone: String;
type
SERVICE_STATUS = record
dwServiceType : cardinal;
dwCurrentState : cardinal;
dwControlsAccepted : cardinal;
dwWin32ExitCode : cardinal;
dwServiceSpecificExitCode : cardinal;
dwCheckPoint : cardinal;
dwWaitHint : cardinal;
end;
HANDLE = cardinal;
const
SERVICE_QUERY_CONFIG = $1;
SERVICE_CHANGE_CONFIG = $2;
SERVICE_QUERY_STATUS = $4;
SERVICE_START = $10;
SERVICE_STOP = $20;
SERVICE_ALL_ACCESS = $f01ff;
SC_MANAGER_ALL_ACCESS = $f003f;
SERVICE_WIN32_OWN_PROCESS = $10;
SERVICE_WIN32_SHARE_PROCESS = $20;
SERVICE_WIN32 = $30;
SERVICE_INTERACTIVE_PROCESS = $100;
SERVICE_BOOT_START = $0;
SERVICE_SYSTEM_START = $1;
SERVICE_AUTO_START = $2;
SERVICE_DEMAND_START = $3;
SERVICE_DISABLED = $4;
SERVICE_DELETE = $10000;
SERVICE_CONTROL_STOP = $1;
SERVICE_CONTROL_PAUSE = $2;
SERVICE_CONTROL_CONTINUE = $3;
SERVICE_CONTROL_INTERROGATE = $4;
SERVICE_STOPPED = $1;
SERVICE_START_PENDING = $2;
SERVICE_STOP_PENDING = $3;
SERVICE_RUNNING = $4;
SERVICE_CONTINUE_PENDING = $5;
SERVICE_PAUSE_PENDING = $6;
SERVICE_PAUSED = $7;
// #######################################################################################
// nt based service utilities
// #######################################################################################
function OpenSCManager(lpMachineName, lpDatabaseName: string; dwDesiredAccess :cardinal): HANDLE;
external 'OpenSCManagerA#advapi32.dll stdcall';
function OpenService(hSCManager :HANDLE;lpServiceName: string; dwDesiredAccess :cardinal): HANDLE;
external 'OpenServiceA#advapi32.dll stdcall';
function CloseServiceHandle(hSCObject :HANDLE): boolean;
external 'CloseServiceHandle#advapi32.dll stdcall';
function CreateService(hSCManager :HANDLE;lpServiceName, lpDisplayName: string;dwDesiredAccess,dwServiceType,dwStartType,dwErrorControl: cardinal;lpBinaryPathName,lpLoadOrderGroup: String; lpdwTagId : cardinal;lpDependencies,lpServiceStartName,lpPassword :string): cardinal;
external 'CreateServiceA#advapi32.dll stdcall';
function DeleteService(hService :HANDLE): boolean;
external 'DeleteService#advapi32.dll stdcall';
function StartNTService(hService :HANDLE;dwNumServiceArgs : cardinal;lpServiceArgVectors : cardinal) : boolean;
external 'StartServiceA#advapi32.dll stdcall';
function ControlService(hService :HANDLE; dwControl :cardinal;var ServiceStatus :SERVICE_STATUS) : boolean;
external 'ControlService#advapi32.dll stdcall';
function QueryServiceStatus(hService :HANDLE;var ServiceStatus :SERVICE_STATUS) : boolean;
external 'QueryServiceStatus#advapi32.dll stdcall';
function QueryServiceStatusEx(hService :HANDLE;ServiceStatus :SERVICE_STATUS) : boolean;
external 'QueryServiceStatus#advapi32.dll stdcall';
function OpenServiceManager() : HANDLE;
begin
if UsingWinNT() = true then
begin
Result := OpenSCManager('','ServicesActive',SC_MANAGER_ALL_ACCESS);
if Result = 0 then
MsgBox('the servicemanager is not available', mbError, MB_OK)
end
else
begin
MsgBox('only nt based systems support services', mbError, MB_OK)
Result := 0;
end
end;
function IsServiceInstalled(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_QUERY_CONFIG);
if hService <> 0 then begin
Result := true;
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
function InstallService(FileName, ServiceName, DisplayName, Description : string;ServiceType,StartType :cardinal) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := CreateService(hSCM,ServiceName,DisplayName,SERVICE_ALL_ACCESS,ServiceType,StartType,0,FileName,'',0,'','','');
if hService <> 0 then begin
Result := true;
// Win2K & WinXP supports aditional description text for services
if Description<> '' then
RegWriteStringValue(HKLM,'System\CurrentControlSet\Services' + ServiceName,'Description',Description);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
function RemoveService(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_DELETE);
if hService <> 0 then begin
Result := DeleteService(hService);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
function StartService(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_START);
if hService <> 0 then begin
Result := StartNTService(hService,0,0);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end;
end;
function StopService(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
Status : SERVICE_STATUS;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_STOP);
if hService <> 0 then begin
Result := ControlService(hService,SERVICE_CONTROL_STOP,Status);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end;
end;
function IsServiceRunning(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
Status : SERVICE_STATUS;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_QUERY_STATUS);
if hService <> 0 then begin
if QueryServiceStatus(hService,Status) then begin
Result :=(Status.dwCurrentState = SERVICE_RUNNING)
end;
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
// #######################################################################################
// create an entry in the services file
// #######################################################################################
function SetupService(service, port, comment: string) : boolean;
var
filename : string;
s : string;
lines : TArrayOfString;
n : longint;
i : longint;
errcode : integer;
servnamlen : integer;
error : boolean;
begin
if UsingWinNT() = true then
filename := ExpandConstant('{sys}\drivers\etc\services')
else
filename := ExpandConstant('{win}\services');
if LoadStringsFromFile(filename,lines) = true then begin
Result := true;
n := GetArrayLength(lines) - 1;
servnamlen := Length(service);
error := false;
for i:=0 to n do begin
if Copy(lines[i],1,1) <> '#' then begin
s := Copy(lines[i],1,servnamlen);
if CompareText(s,service) = 0 then
exit; // found service-entry
if Pos(port,lines[i]) > 0 then begin
error := true;
lines[i] := '#' + lines[i] + ' # disabled because collision with ' + service + ' service';
end;
end
else if CompareText(Copy(lines[i],2,servnamlen),service) = 0 then begin
// service-entry was disabled
Delete(lines[i],1,1);
Result := SaveStringsToFile(filename,lines,false);
exit;
end;
end;
if error = true then begin
// save disabled entries
if SaveStringsToFile(filename,lines,false) = false then begin
Result := false;
exit;
end;
end;
// create new service entry
s := service + ' ' + port + ' # ' + comment + #13#10;
if SaveStringToFile(filename,s,true) = false then begin
Result := false;
exit;
end;
if error = true then begin
MsgBox('the ' + service + ' port was already used. The old service is disabled now. You should check the services file manually now.',mbInformation,MB_OK);
//InstExec('notepad.exe',filename,GetCurrentDir(),true,false,SW_SHOWNORMAL,errcode);
end;
end
else
Result := false;
end;
// #######################################################################################
// version functions
// #######################################################################################
function CheckVersion(Filename : string;hh,hl,lh,ll : integer) : boolean;
var
VersionMS : cardinal;
VersionLS : cardinal;
CheckMS : cardinal;
CheckLS : cardinal;
begin
if GetVersionNumbers(Filename,VersionMS,VersionLS) = false then
Result := false
else begin
CheckMS := (hh shl $10) or hl;
CheckLS := (lh shl $10) or ll;
Result := (VersionMS > CheckMS) or ((VersionMS = CheckMS) and (VersionLS >= CheckLS));
end;
end;
// Some examples for version checking
function NeedShellFolderUpdate() : boolean;
begin
Result := CheckVersion('ShFolder.dll',5,50,4027,300) = false;
end;
function NeedVCRedistUpdate() : boolean;
begin
Result := (CheckVersion('mfc42.dll',6,0,8665,0) = false)
or (CheckVersion('msvcrt.dll',6,0,8797,0) = false)
or (CheckVersion('comctl32.dll',5,80,2614,3600) = false);
end;
function NeedHTMLHelpUpdate() : boolean;
begin
Result := CheckVersion('hh.exe',4,72,0,0) = false;
end;
function NeedWinsockUpdate() : boolean;
begin
Result := (UsingWinNT() = false) and (CheckVersion('mswsock.dll',4,10,0,1656) = false);
end;
function NeedDCOMUpdate() : boolean;
begin
Result := (UsingWinNT() = false) and (CheckVersion('oleaut32.dll',2,30,0,0) = false);
end;
// #######################################################################################
// Replace substring in a string functions
// #######################################################################################
procedure FileReplace(SrcFile, sFrom, sTo: String);
var
FileContent: String;
begin
//Load srcfile to a string
LoadStringFromFile(SrcFile, FileContent);
//Replace Fraomstring by toString in file string content
StringChange (sTo,'/', '\');
StringChange (FileContent, sFrom, sTo);
//Replace old content srcfile by the new content
DeleteFile(SrcFile);
SaveStringToFile(SrcFile,FileContent, True);
end;
// #######################################################################################
// Replace in file functions
// #######################################################################################
procedure FileWrite(SrcFile, sFrom, sTo: String);
var
FileContent: String;
begin
//Load srcfile to a string
LoadStringFromFile(SrcFile, FileContent);
//Replace Fraomstring by toString in file string content
//StringChange (sTo,'/', '\');
StringChange (FileContent, sFrom, sTo);
//Replace old content srcfile by the new content
DeleteFile(SrcFile);
SaveStringToFile(SrcFile,FileContent, True);
end;
// #######################################################################################
// Custumized page for apache config
// #######################################################################################
procedure CreateTheWizardPages;
// variables locales
var
Lbl: TLabel;
Page: TWizardPage;
Edit: TEdit;
PortNbr: String;
// boites
begin
Page := CreateCustomPage(wpSelectComponents, 'Apache configuration', 'Please enter your parameter for the apache server (Default is 80)');
Lbl := TLabel.Create(Page);
Lbl.Top := ScaleY(11);
Lbl.Caption := 'Apache server port :';
Lbl.AutoSize := True;
Lbl.Parent := Page.Surface;
Edit := TEdit.Create(Page);
Edit.Top := ScaleY(8);
Edit.Left := Lbl.Left + ScaleX(70);
Edit.Width := Page.SurfaceWidth div 2 - ScaleX(8);
Edit.Text := PortNbr;
Edit.Text := '80';
Edit.Parent := Page.Surface;
end;
// #######################################################################################
// Custumized page for Password enter
// #######################################################################################
procedure CreateTheWizardPagesPwd;
// variables locales
var
PasWd: TLabel;
PagePwd: TWizardPage;
EditPw: TEdit;
//MailHostName: String;
// boites
begin
PagePwd := CreateCustomPage(wpSelectComponents, 'Password for the data base user', 'Please enter the password for the data base');
PasWd := TLabel.Create(PagePwd);
PasWd.Top := ScaleY(11);
PasWd.Caption := 'PassWord : ';
PasWd.AutoSize := True;
PasWd.Parent := PagePwd.Surface;
EditPw := TEdit.Create(PagePwd);
EditPw.Top := ScaleY(8);
EditPw.Left := PasWd.Left + ScaleX(70);
EditPw.Width := PagePwd.SurfaceWidth div 2 - ScaleX(8);
EditPw.Parent := PagePwd.Surface;
end;
// #######################################################################################
// Custumized page for Enter the path of the backup file
// #######################################################################################
procedure CreateTheWizardPagesBkpDir;
var
PageBkpDir: TInputDirWizardPage;
// boites
begin
PageBkpDir := CreateInputDirPage(wpSelectDir,'Select Backup Data Directory','Where should Backup data files be installed?','Select the folder in which Setup should copy backup data files, then click Next.', False, '');
PageBkpDir.Add('');
PageBkpDir.Values[0] := ExpandConstant('{userdesktop}\dbBackup');
end;
// #######################################################################################
// Custumized page for Time zone enter
// #######################################################################################
procedure CreateTheWizardPagesTimeZone;
// variables locales
var
Panel: TPanel;
PageTimeZone: TWizardPage;
ListBTimeZone: TNewListBox;
// boites
begin
PageTimeZone := CreateCustomPage(wpWelcome, 'Time zone of your location', 'Please choose your time zone');
Panel := TPanel.Create(PageTimeZone);
Panel.Width := PageTimeZone.SurfaceWidth div 2 - ScaleX(8);
Panel.Left := PageTimeZone.SurfaceWidth - Panel.Width;
Panel.Caption := 'TPanel';
Panel.Color := clWindow;
Panel.ParentBackground := False;
Panel.Parent := PageTimeZone.Surface;
ListBTimeZone := TNewListBox.Create(PageTimeZone);
ListBTimeZone.Width := PageTimeZone.SurfaceWidth;
ListBTimeZone.Height := ScaleY(200);
ListBTimeZone.Parent := PageTimeZone.Surface;
ListBTimeZone.Items.Add('Etc/UTC');
ListBTimeZone.Items.Add('Europe/Paris');
ListBTimeZone.ItemIndex := 2;
end;
// Initialisation
procedure InitializeWizard();
begin
CreateTheWizardPages;
CreateTheWizardPagesTimeZone;
CreateTheWizardPagesPwd;
CreateTheWizardPagesBkpDir;
end;
// #######################################################################################
// Function to stop and delete de service by uninstallation procedur
// #######################################################################################
procedure CurUninstallStepChanged(CurStep: TUninstallStep);
var
ErrorCode: Integer;
begin
if CurStep = usUninstall then
begin
//Uninstall process
ShellExec('open','taskkill.exe','/f /im MyApplicationService.exe','',SW_HIDE,ewNoWait,ErrorCode);
ShellExec('open','taskkill.exe','/f /im httpd.exe','',SW_HIDE,ewNoWait,ErrorCode);
ShellExec('open','taskkill.exe','/f /im mysqld.exe','',SW_HIDE,ewNoWait,ErrorCode);
// stop all affected services
StopService('MyApplicationService');
StopService('MySqld');
StopService('Apache');
// remove all affected services
RemoveService('MyApplicationService');
RemoveService('MySqld');
RemoveService('Apache');
end;
end;
// #######################################################################################
// Function to check and replace the string in the file at the end of the installation
// #######################################################################################
procedure CurStepChanged(CurStep: TSetupStep);
var
ErrorCode: Integer;
WorkingDir: String;
PathOfDir: String;
begin
//juste aprés installation
if CurStep = ssPostInstall then
begin
PathOfDir := GetShortName(PathOfDir2);
FileReplace(ExpandConstant('{app}\create_db.sql'), '##Pwd##', EditPw.Text);
FileReplace(ExpandConstant('{app}\webserver\bin\apache\Apache2.2.22\conf\httpd.conf'), '##Port##', PortNbr);
FileReplace(ExpandConstant('{app}\webserver\bin\apache\Apache2.2.22\conf\httpd.conf'), '##Path##', PathOfDir+'\webserver');
FileReplace(ExpandConstant('{app}\webserver\bin\apache\Apache2.2.22\bin\php.ini'), '##Path##', PathOfDir+'\webserver');
FileWrite(ExpandConstant('{app}\webserver\bin\apache\Apache2.2.22\bin\php.ini'), '##TimeZone##', TimeZone);
FileReplace(ExpandConstant('{app}\webserver\bin\mysql\mysql5.5.24\my.ini'), '##Path##', PathOfDir+'\webserver');
FileReplace(ExpandConstant('{app}\webserver\bin\mysql\mysql5.5.24\bin\dbexport.bat'), '##Path##', PathOfBackupDir);
FileReplace(ExpandConstant('{app}\webserver\bin\mysql\mysql5.5.24\bin\create_db.bat'), '##Path##', PathOfDir + '\webserver\bin\mysql\mysql5.5.24');
FileReplace(ExpandConstant('{app}\webserver\bin\mysql\mysql5.5.24\bin\create_db.bat'), '##PathOfDir##', PathOfDir);
FileReplace(ExpandConstant('{app}\webserver\bin\php\php5.4.3\php.ini'), '##Path##', PathOfDir+'\webserver');
FileReplace(ExpandConstant('{app}\webserver\bin\php\php5.4.3\phpForApache.ini'), '##Path##', PathOfDir+'\webserver');
if InstallService(ExpandConstant('"{app}\webserver\bin\mysql\mysql5.5.24\bin\mysqld.exe" MySqld'),'MySqld','MySqld','The mysql service',SERVICE_WIN32_OWN_PROCESS,SERVICE_AUTO_START) = true then
begin
StartService('MySqld');
Sleep(8000);
end
else
MsgBox('MySqld service could not be installed',mbInformation, MB_OK);
if InstallService(ExpandConstant('"{app}\webserver\bin\apache\apache2.2.22\bin\httpd.exe" -k runservice'),'Apache','Apache','The apache service',SERVICE_WIN32_OWN_PROCESS,SERVICE_AUTO_START) = true then
begin
StartService('Apache');
Sleep(5000);
end
else
MsgBox('Apache service could not be installed',mbInformation, MB_OK);
if InstallService(ExpandConstant('"{app}\MyApplicationService.exe"'),'MyApplicationService','MyApplicationService','The server',SERVICE_WIN32_OWN_PROCESS,SERVICE_AUTO_START) = true then
begin
StartService('MyApplicationService');
Sleep(5000);
end
else
MsgBox('The MyApplicationService service could not be installed',mbInformation, MB_OK);
end;
if CurStep = ssInstall then
begin
//Uninstall process
ShellExec('open','taskkill.exe','/f /im MyApplicationService.exe','',SW_HIDE,ewNoWait,ErrorCode);
ShellExec('open','taskkill.exe','/f /im httpd.exe','',SW_HIDE,ewNoWait,ErrorCode);
ShellExec('open','taskkill.exe','/f /im mysqld.exe','',SW_HIDE,ewNoWait,ErrorCode);
// stop all affected services
StopService('MyApplicationService');
StopService('MySqld');
StopService('Apache');
// remove all affected services
RemoveService('MyApplicationService');
RemoveService('MySqld');
RemoveService('Apache');
end;
if CurStep = ssDone then
begin
Exec(ExpandConstant('{app}\webserver\bin\mysql\mysql5.5.24\bin\create_db.bat'),'','', SW_SHOW, ewWaitUntilTerminated, ErrorCode);
end;
end;
// #######################################################################################
// Function to check the values entered
// #######################################################################################
function NextButtonClick(CurPageID: Integer): Boolean;
var
ErrorCode: Integer;
begin
Result := True;
case CurPageID of
Page.ID:
begin
if (Edit.Text = '') then
begin
MsgBox('Port number check:'#13#13 'The port number is empty. The default port << 80 >> will be applied. Please click on the back button to change if needed ', mbError, MB_OK);
Edit.Text := '80';
end
else
begin
Result := True;
PortNbr := Edit.Text;
end
end;
//End page.id
PagesEmailSt.ID:
begin
if (EditPwd.Text = EditPwd2.Text) then
begin
MailHostName := EditMailHostName.Text;
MailUserName := EditUserName.Text;
MailPwd := EditPwd.Text;
MailFrom := EditFromMail.Text;
MailSmtpPort := EditSmtpPort.Text;
end
else
begin
MsgBox('Password check:'#13#13 'The password entered is not the same. Please click on back and check ', mbError, MB_OK);
Result := false;
end
end;
//End PagesEmailSt.id
//Time zone add beginn
PageTimeZone.ID:
begin
Result := false;
TimeZone := ListBTimeZone.Items.Strings[ListBTimeZone.ItemIndex];
end;
//End time zone add
//Beginn dir selector
PageBkpDir.ID:
begin
//PageBkpDir.Values[0] := ExpandConstant('{userdesktop}\dbBackup');
PathOfBackupDir := PageBkpDir.Values[0];
end;
wpSelectDir:
begin
PathOfDir2 := WizardDirValue;
//MsgBox('NextButtonClick:' #13#13 'You selected: ''' + PathOfDir + '''.', mbInformation, MB_OK);
end;
//End dir selector
end; //End case
Result := True;
end;
function GetDataDir(Param: String): String;
begin
//Return the selected DataDir
Result := PageBkpDir.Values[0];
end;

Answer 1

In this case, as it needs to be accessed from multiple functions, you need to make it a global variable by putting it in the top Var. You will also need to do the same with the page references/IDs.