How do I automatically set the version of my Inno Setup installer according to my application version?

Question

I am using Inno Setup to generate the installer of my application. How can set the version number of the setup.exe (VersionInfoVersion) generated by Inno to mat

Answer 1

As others have mentioned, the GetFileVersion or GetStringFileInfo preprocessor functions can be used for that.

Some important info, improvements and helpful additions:

• You can either use an absolute path to the exe, or a path relative to the .iss file
• You can include existing defines in your statement by just writing their name, and concatenate defines with the + operator:
  #define MyAppPath "..\Win32\Release\" + MyAppExeName
• If you want you can easily remove parts of the version number from the right by using the function RemoveFileExt, e. g. convert 3.1.2.0 to 3.1.2:
  #define MyAppVersion RemoveFileExt(GetFileVersion(MyAppPath))
• You can use the defines MyAppExeName and MyAppPath in the subsequent options like Messages, Files or Icons

Working example:

#define MyAppName "Application Name"
#define MyAppExeName "Application.exe"        
#define MyAppPath "..\Win32\Release\" + MyAppExeName
#define MyAppVersion RemoveFileExt(GetFileVersion(MyAppPath))

[Setup]
AppName={#MyAppName}
AppVersion={#MyAppVersion}
AppVerName={#MyAppName} {#MyAppVersion}
VersionInfoVersion={#MyAppVersion}
OutputBaseFilename={#MyAppName}-{#MyAppVersion}-Windows

...

[Messages]
SetupWindowTitle=Setup - {#MyAppName} {#MyAppVersion}

...

[Files]
Source: {#MyAppPath}; DestDir: "{app}"; Flags: ignoreversion; Tasks: desktopicon

...

[Icons]
Name: "{group}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"