Changes needed to install msix for all users, provided by ddomingos-encora on github

Author: GurliGebis

Installer.cpp

@@ -186,7 +186,7 @@ Package GetSparsePackage()
 
     try
     {
-        packages = packageManager.FindPackagesForUser(L"");
+        packages = packageManager.FindPackages();
     }
     catch (winrt::hresult_error)
     {
@@ -214,7 +214,7 @@ HRESULT NppShell::Installer::RegisterSparsePackage()
     }
 
     PackageManager packageManager;
-    AddPackageOptions options;
+    StagePackageOptions options;
 
     const wstring externalLocation = GetContextMenuPath();
     const wstring sparsePkgPath = externalLocation + L"\\NppShell.msix";
@@ -224,14 +224,30 @@ HRESULT NppShell::Installer::RegisterSparsePackage()
 
     options.ExternalLocationUri(externalUri);
 
-    auto deploymentOperation = packageManager.AddPackageByUriAsync(packageUri, options);
+    auto deploymentOperation = packageManager.StagePackageByUriAsync(packageUri, options);
     auto deployResult = deploymentOperation.get();
 
     if (!SUCCEEDED(deployResult.ExtendedErrorCode()))
     {
         return deployResult.ExtendedErrorCode();
     }
 
+    Package package = GetSparsePackage();
+    if (package == NULL)
+    {
+        return S_FALSE;
+    }
+
+    winrt::hstring familyName = package.Id().FamilyName();
+
+    deploymentOperation = packageManager.ProvisionPackageForAllUsersAsync(familyName);
+    deployResult = deploymentOperation.get();
+
+    if (!SUCCEEDED(deployResult.ExtendedErrorCode()))
+    {
+        return deployResult.ExtendedErrorCode();
+    }
+
     return S_OK;
 }
 
@@ -251,7 +267,7 @@ HRESULT NppShell::Installer::UnregisterSparsePackage()
     }
 
     winrt::hstring fullName = package.Id().FullName();
-    auto deploymentOperation = packageManager.RemovePackageAsync(fullName, RemovalOptions::None);
+    auto deploymentOperation = packageManager.RemovePackageAsync(fullName, RemovalOptions::RemoveForAllUsers);
     auto deployResult = deploymentOperation.get();
 
     if (!SUCCEEDED(deployResult.ExtendedErrorCode()))