Detecting if WebView2 Runtime is installed

[Andrew Truckle]

They provide detailed instructions of how to detect if webview2 runtime is installed.

Could this be inbuilt into the inno setup compiler? 

[Andrew Truckle]

For some reason the link was missing:

https://docs.microsoft.com/en-us/microsoft-edge/webview2/concepts/distribution#online-only-deployment

[Martijn Laan]

Op 11-7-2021 om 22:01 schreef Andrew Truckle:

They provide detailed instructions of how to detect if webview2 runtime is installed.

Could this be inbuilt into the inno setup compiler?

Wouldn't you just write:

Check: RegKeyExists(HKLM, 'Sofware\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5}')

Greetings,
Martijn

[Andrew Truckle]

I think I check you now. About using that as a check parameter on the line in the script. But, assuming my intention is:

1. If runtime not installed ..

2. If 64 o/s then download both 32 and 64 bit runtimes for install.

3. If 32 o/s then download 32 bit runtime.

4. At end of install, run the installers setups if they were downloaded. 

At which point do I add this check code?

On Monday, 12 July 2021 at 14:19:23 UTC+1 Andrew Truckle wrote:

Ok, but how would that fit in context of a sample script?

Thanks.

[Martijn Laan]

Op 12-7-2021 om 15:38 schreef Andrew Truckle:

At which point do I add this check code?

In a PrepareToInstall event function.

Greetings,
Martijn

[Andrew Truckle]

So you run the check in PTI and cache the result into a global var.  Then where I already add files for download (NextButtonClick  (CurPageID wpSelectTasks) I add these files to the list.

 

At the moment I fire any downloaded installers in CurStepChanged (CurStep = ssPostInstall).

 

I will try it out,

 

Thanks.

 

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[Martijn Laan]

Op 12-7-2021 om 17:16 schreef Andrew Truckle:

So you run the check in PTI and cache the result into a global var.

You should do the download from within PrepareToInstall as well.

When PrepareToInstall finishes all your prerequisites should be installed.

Greetings,
Martijn

[Andrew Truckle]

I do it there because I also have a task that allows the user to specify if another file should also be included in the downloads:

 

function NextButtonClick(CurPageID: integer): boolean;

begin

                Result := True;

  if (CurPageID = wpSelectTasks) then

  begin

    DownloadPage.Clear;

    if (dotNetNeeded) then

    begin

      { We need to download the 4.6.2 setup from the Microsoft Website }

      dotNetRedistPath :=

        ExpandConstant('{tmp}\NDP451-KB2858728-x86-x64-AllOS-ENU.exe');

      AddFileForDownload(dotnetRedistURL, 'NDP451-KB2858728-x86-x64-AllOS-ENU.exe', '');

    end;

 

    if (bVcRedist64BitNeeded) then

    begin

      { We need to download the 64 Bit VC Redistributable from the Microsoft Website }

      vcRedist64BitPath := ExpandConstant('{tmp}\vc_redist.x64.exe');

      AddFileForDownload(vcRedist64BitURL, 'vc_redist.x64.exe', '');

    end;

 

    if (bVcRedist32BitNeeded) then

    begin

      { We need to download the 32 Bit VC Redistributable from the Microsoft Website }

      vcRedist32BitPath := ExpandConstant('{tmp}\vc_redist.x86.exe');

      AddFileForDownload(vcRedist32BitURL, 'vc_redist.x86.exe', '');

    end;

 

    if (WizardIsTaskSelected('downloadhelp')) then

      AddFileForDownload('{#HelpDocSetupURL}', 'HelpDocSetup.exe',

                                                '{#GetSHA256OfFile("..\HelpNDoc\CHM\Output\MSAHelpDocumentationSetup.exe")}');

  end

    else

  if (CurPageID = wpReady) then

  begin

    DownloadPage.Show;

    try

      try

        DownloadPage.Download;

        Result := True;

      except

        SuppressibleMsgBox(

          AddPeriod(GetExceptionMessage), mbCriticalError, MB_OK, IDOK);

        Result := False;

      end;

    finally

      DownloadPage.Hide;

    end;

  end;

end;

 

This code does not account for the WebView2 Runtime yet.

 

Sent from Mail for Windows 10

 

From: Martijn Laan
Sent: 12 July 2021 16:32
To: inno...@googlegroups.com
Subject: Re: Detecting if WebView2 Runtime is installed

 

Op 12-7-2021 om 17:16 schreef Andrew Truckle:

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