.NET - Detect framework

From ISXKB

Detect if the .NET framework is installed, and open a browser window with the download URL if it is not.

Code provided by AG and Matej Cerk

[Setup]
AppName=NETFramewrok
AppVerName=NETFramewrok
DefaultDirName={pf}\NETFramewrok
DisableStartupPrompt=true
 
[Code]

function InitializeSetup(): Boolean;
var
  ErrorCode: Integer;
  NetFrameWorkInstalled : Boolean;
  Result1 : Boolean;
begin
  NetFrameWorkInstalled := RegKeyExists(HKLM,'SOFTWARE\Microsoft\.NETFramework\policy\v1.0');
  if NetFrameWorkInstalled then
  begin
    Result := true;
  end else
  begin
    NetFrameWorkInstalled := RegKeyExists(HKLM,'SOFTWARE\Microsoft\.NETFramework\policy\v1.1');
    if NetFrameWorkInstalled then
    begin
      Result := true;
    end else
    begin
      Result1 := MsgBox('This setup requires the .NET Framework. Please download and install the .NET Framework and run this setup again. Do you want to download the framwork now?',
        mbConfirmation, MB_YESNO) = idYes;
      if Result1 =false then
      begin
        Result:=false;
      end else
      begin
        Result:=false;
        ShellExec('open',
          'http://download.microsoft.com/download/a/a/c/aac39226-8825-44ce-90e3-bf8203e74006/dotnetfx.exe',
          '','',SW_SHOWNORMAL,ewNoWait,ErrorCode);
      end;
    end;
  end;
end;

See also

• Acrobat Reader - Detect installed version
• DirectX - How to detect DirectX version
• MDAC - How to detect version of MDAC installed
• Visual FoxPro

External links

• MSKB - How to detect the installed version of the .NET Framework
• .NET Framework 1.1 Installer for Innosetup at CodeProject
• .NET Framework 1.1/2.0/3.5 Installer for InnoSetup by stfx at CodeProject
• .NET Framework 1.1..4.0, VC++2010, SQL 2008 R2 Express Installer for InnoSetup (Based on 'stfx at CodeProject') by Ton
• .NET : Install your app and the .NET framework using INNO Setup at Zerosandtheone
• Detect & Install .NET 3.5 Framework using Inno Setup. By Priyank Bolia
• Check .NET Version with Inno Setup Kynosarges, detect from .NET 1.1 up to .NET 4.0