Merge pull request #1175 from maiko3tattun/240612_VisualCppErrorMessage2

Show error message to install Visual C++

Author: stakira

OpenUtau.Core/Render/RenderEngine.cs

@@ -107,7 +107,12 @@ public Tuple<WaveMix, List<Fader>> RenderMixdown(TaskScheduler uiScheduler, ref
                 if (task.IsFaulted && !wait) {
                     Log.Error(task.Exception.Flatten(), "Failed to render.");
                     PlaybackManager.Inst.StopPlayback();
-                    var customEx = new MessageCustomizableException("Failed to render.", "<translate:errors.failed.render>", task.Exception);
+                    MessageCustomizableException customEx;
+                    if (task.Exception.Flatten().InnerExceptions.ToList().Any(e => e is DllNotFoundException)) {
+                        customEx = new MessageCustomizableException("Failed to render.", "<translate:errors.failed.render>: <translate:errors.install.cpp>", task.Exception);
+                    } else {
+                        customEx = new MessageCustomizableException("Failed to render.", "<translate:errors.failed.render>", task.Exception);
+                    }
                     DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(customEx));
                 }
             }, CancellationToken.None, TaskContinuationOptions.OnlyOnFaulted, uiScheduler);

OpenUtau/Strings/Strings.axaml

@@ -87,6 +87,7 @@
   <system:String x:Key="errors.failed.save">Failed to save</system:String>
   <system:String x:Key="errors.failed.savesingerconfig">Failed to save singer config file</system:String>
   <system:String x:Key="errors.failed.searchsinger">Failed to search singers</system:String>
+  <system:String x:Key="errors.install.cpp">Try installing the latest Visual C++ Redistributable. https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-170</system:String>
   <system:String x:Key="errors.lyrics.regex">Character not allowed in regular expression</system:String>
   <system:String x:Key="errors.lyrics.regexpreview">- regular expression error -</system:String>
 

OpenUtau/Strings/Strings.ja-JP.axaml

@@ -85,6 +85,7 @@
   <system:String x:Key="errors.failed.save">保存に失敗しました</system:String>
   <system:String x:Key="errors.failed.savesingerconfig">シンガー設定の保存に失敗しました</system:String>
   <system:String x:Key="errors.failed.searchsinger">シンガーの取得に失敗しました</system:String>
+  <system:String x:Key="errors.install.cpp">最新のVisual C++ランタイムをインストールしてください。 https://learn.microsoft.com/ja-JP/cpp/windows/latest-supported-vc-redist?view=msvc-170</system:String>
   <system:String x:Key="errors.lyrics.regex">正規表現に使用できない文字が含まれています</system:String>
   <system:String x:Key="errors.lyrics.regexpreview">- 正規表現エラー -</system:String>