RestaurantApp/RestaurantAppSetup.iss

; Build the project before compiling this script.
; Preferred layout:
;   bin\Release\RestaurantApp.exe
; Optional .NET Framework 4.7.2 redistributable:
;   redist\NDP472-KB4054530-x86-x64-AllOS-ENU.exe

#define AppName "RestaurantApp"
#define AppVersion "1.0.0"
#define AppPublisher "RestaurantApp"
#define AppExeName "RestaurantApp.exe"
#define DotNetRedist "redist\\NDP472-KB4054530-x86-x64-AllOS-ENU.exe"

#ifexist "bin\Release\RestaurantApp.exe"
  #define BuildDir "bin\\Release"
#else
  #define BuildDir "bin\\Debug"
#endif

#ifexist DotNetRedist
  #define HasDotNetRedist
#endif

[Setup]
AppId={{A7A8807E-9A78-44D1-B879-B0C1EF78C6C1}
AppName={#AppName}
AppVersion={#AppVersion}
AppPublisher={#AppPublisher}
DefaultDirName={autopf}\{#AppName}
DefaultGroupName={#AppName}
DisableProgramGroupPage=yes
PrivilegesRequired=admin
OutputDir=installer-output
OutputBaseFilename=RestaurantAppSetup
Compression=lzma
SolidCompression=yes
WizardStyle=modern
UninstallDisplayIcon={app}\{#AppExeName}

[Languages]
Name: "russian"; MessagesFile: "compiler:Languages\Russian.isl"

[Tasks]
Name: "desktopicon"; Description: "Create a desktop shortcut"; GroupDescription: "Additional shortcuts:"

[Files]
Source: "{#BuildDir}\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs; Excludes: "*.pdb,*.xml,*.vshost.*"
#ifdef HasDotNetRedist
Source: "{#DotNetRedist}"; DestDir: "{tmp}"; Flags: deleteafterinstall
#endif

[Icons]
Name: "{autoprograms}\{#AppName}"; Filename: "{app}\{#AppExeName}"
Name: "{autodesktop}\{#AppName}"; Filename: "{app}\{#AppExeName}"; Tasks: desktopicon

[Run]
#ifdef HasDotNetRedist
Filename: "{tmp}\NDP472-KB4054530-x86-x64-AllOS-ENU.exe"; Parameters: "/passive /norestart"; StatusMsg: "Installing .NET Framework 4.7.2..."; Flags: waituntilterminated; Check: NeedsDotNet472
#endif
Filename: "{app}\{#AppExeName}"; Description: "Launch {#AppName}"; Flags: nowait postinstall skipifsilent; Check: IsDotNet472Installed

[Code]
function GetDotNetRelease(): Cardinal;
var
  Release: Cardinal;
begin
  Result := 0;

  if RegQueryDWordValue(HKLM, 'SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full', 'Release', Release) then
  begin
    Result := Release;
    exit;
  end;

  if IsWin64 and RegQueryDWordValue(HKLM64, 'SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full', 'Release', Release) then
  begin
    Result := Release;
    exit;
  end;

  if RegQueryDWordValue(HKLM32, 'SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full', 'Release', Release) then
  begin
    Result := Release;
  end;
end;

function IsDotNet472Installed(): Boolean;
begin
  Result := GetDotNetRelease() >= 461808;
end;

function NeedsDotNet472(): Boolean;
begin
  Result := not IsDotNet472Installed();
end;

function InitializeSetup(): Boolean;
begin
  Result := True;

  if IsDotNet472Installed() then
    exit;

#ifdef HasDotNetRedist
  MsgBox(
    '.NET Framework 4.7.2 was not found. The installer will install it before the first launch.',
    mbInformation,
    MB_OK
  );
#else
  MsgBox(
    '.NET Framework 4.7.2 or newer is required.' + #13#10 + #13#10 +
    'Place the offline installer in redist\\NDP472-KB4054530-x86-x64-AllOS-ENU.exe and rebuild setup, or install .NET manually before running setup.',
    mbCriticalError,
    MB_OK
  );
  Result := False;
#endif
end;