Use MSFTEDIT_CLASS for Rich Edit control when available.

global.json

@@ -1,6 +1,6 @@
 {
   "msbuild-sdks": {
-    "WixToolset.Sdk": "4.0.0-build-0211"
+    "WixToolset.Sdk": "4.0.0-build-0213"
   },
   "sdk": {
     "allowPrerelease": false

src/ca/PrintEula.cpp

@@ -32,6 +32,7 @@ static void ShowErrorMessage(__in HRESULT hr);
 //Global variables
 PRINTDLGEXW* vpPrintDlg = NULL; //Parameters for print (needed on both sides of WndProc callbacks)
 LPSTR vpszEulaText = NULL;
+LPCWSTR vwzRichEditClass = NULL;
 HRESULT vhr = S_OK; //Global hr, used by the functions called from WndProc to set errorcode
 
 
@@ -72,9 +73,19 @@ extern "C" UINT __stdcall PrintEula(MSIHANDLE hInstall)
         ExitOnFailure(hr, "failed to read Eula text from MSI database");
 
         // Have to load Rich Edit since we'll be creating a Rich Edit control in the window
+        hr = LoadSystemLibrary(L"Msftedit.dll", &hRichEdit);
+        if (SUCCEEDED(hr))
+        {
+            vwzRichEditClass = MSFTEDIT_CLASS;
+        }
+        else
+        {
             hr = LoadSystemLibrary(L"Riched20.dll", &hRichEdit);
             ExitOnFailure(hr, "failed to load rich edit 2.0 library");
 
+            vwzRichEditClass = RICHEDIT_CLASSW;
+        }
+
         hr = CreateRichTextWindow(&hWndMain, &fRegisteredClass);
         ExitOnFailure(hr, "failed to create rich text window for printing");
 
@@ -113,6 +124,7 @@ LExit:
         ::UnregisterClassW(WINDOW_CLASS, NULL);
     }
 
+    vwzRichEditClass = NULL;
     if (NULL != hRichEdit)
     {
         ::FreeLibrary(hRichEdit);
@@ -242,7 +254,7 @@ LRESULT CALLBACK WndProc(
     switch (message)
     {
     case WM_CREATE:
-        hWndRichEdit = ::CreateWindowExW(WS_EX_CLIENTEDGE, RICHEDIT_CLASSW, L"", ES_MULTILINE | WS_CHILD | WS_VISIBLE | WS_VSCROLL, CONTROL_X_COORDINATE, CONTROL_Y_COORDINATE, CONTROL_WIDTH, CONTROL_HEIGHT, hWnd, NULL, NULL, NULL);
+        hWndRichEdit = ::CreateWindowExW(WS_EX_CLIENTEDGE, vwzRichEditClass, L"", ES_MULTILINE | WS_CHILD | WS_VISIBLE | WS_VSCROLL, CONTROL_X_COORDINATE, CONTROL_Y_COORDINATE, CONTROL_WIDTH, CONTROL_HEIGHT, hWnd, NULL, NULL, NULL);
         break;
     case WM_COMMAND:
         wmId = LOWORD(wParam);

src/ca/uica.vcxproj

@@ -48,8 +48,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="WixToolset.Dutil" Version="4.0.65" />
-    <PackageReference Include="WixToolset.WcaUtil" Version="4.0.18" />
+    <PackageReference Include="WixToolset.Dutil" Version="4.0.72" />
+    <PackageReference Include="WixToolset.WcaUtil" Version="4.0.19" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.3.37" />
   </ItemGroup>