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Assigned BeforeInstall event to make sure ghostscript is installed.

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This commit is contained in:
Marco Batzinger 2020-11-18 16:28:43 +01:00
parent 87de99f9b2
commit b4c4aa4010
2 changed files with 41 additions and 2 deletions
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40
Installer/VirtualPrinter.WixSharpInstaller/Script.cs
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@ -4,9 +4,10 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using JetBrains.Annotations;
using Microsoft.Deployment.WindowsInstaller;
using Microsoft.Win32;
using VirtualPrinter.Utils;
using WixSharp;
@ -14,6 +15,7 @@ using WixSharp;
using Action = WixSharp.Action;
using File = WixSharp.File;
using Files = VirtualPrinter.Utils.Files;
using Keys = VirtualPrinter.Utils.Keys;
using RegistryHive = WixSharp.RegistryHive;
namespace VirtualPrinter.WixSharpInstaller
@ -72,9 +74,43 @@ namespace VirtualPrinter.WixSharpInstaller
InstallPrivileges = InstallPrivileges.elevated
};
project.BeforeInstall += ProjectOnBeforeInstall;
project.BuildMsi();
}
private static void ProjectOnBeforeInstall(SetupEventArgs e)
{
const string gsNotFound = "Ghostscript not found!\n" +
"Please install Ghostscript version 9.52 or higher.\n" +
"You can find the installer on the official website:\n" +
"https://www.ghostscript.com/download/gsdnld.html";
var registryView = Environment.Is64BitOperatingSystem ? RegistryView.Registry64 : RegistryView.Registry32;
var gsKey = RegistryKey
.OpenBaseKey(Microsoft.Win32.RegistryHive.LocalMachine, registryView)
.OpenSubKey(@"SOFTWARE\GPL Ghostscript\9.52");
if (gsKey == null)
{
MessageBox.Show(gsNotFound);
e.Result = ActionResult.Failure;
return;
}
var gsAssembly = (string)gsKey.GetValue("GS_DLL");
if (System.IO.File.Exists(gsAssembly))
{
e.Result = ActionResult.Success;
return;
}
MessageBox.Show("gsNotFound");
e.Result = ActionResult.Failure;
}
[NotNull, ItemNotNull]
private static Dir[] CreateProjectDirs
(