Fix Pre-Populated database for Windows

README.md

@@ -282,7 +282,7 @@ Add `PackageProviders().Append(winrt::SQLitePlugin::ReactPackageProvider());` be
 Refer to this guide for more details: https://microsoft.github.io/react-native-windows/docs/next/native-modules-using
 
 
-## Setting up your project to import a pre-populated SQLite database from application for iOS
+## Pre-populated SQLite database (iOS)
 
 #### Step 1 - Create 'www' folder.
 
@@ -327,6 +327,15 @@ Modify you openDatabase call in your application adding createFromLocation param
 ```
 For Android, the www directory is always relative to the assets directory for the app: src/main/assets
 
+## Pre-populated SQLite database (Windows)
+Almost identical to iOS, but we'll be using Visual Studio
+
+1. Put your database in `windows\<ProjectName>\www`
+2. Open `windows\<ProjectName>.sln` with Visual Studio
+3. Right-click `<ProjectName>\Assets` in the Solution Explorer
+4. `Add -> Existing Item` and select your database
+5. Finally, set `Content` to `True` in File Properties (right side of Visual Studio, by default)
+
 Enjoy!
 
 ## Opening a database

platforms/windows/SQLitePlugin/SQLitePlugin.cpp

@@ -307,13 +307,18 @@ namespace SQLitePlugin
                     {
                         try
                         {
-                            CopyDbAsync(assetFile, to_hstring(*dbFileName)).GetResults();
+                            CopyDbAsync(assetFile, to_hstring(*dbFileName)).get();
                         }
                         catch (hresult_error const& ex)
                         {
-                            // CopyDbAsync throws when the file already exists.
-                            onFailure("Unable to copy asset file: " + winrt::to_string(ex.message()));
-                            return;
+                            if (ex.code() == HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS)) 
+                            {
+                                // Ignore, CopyDbAsync throws when the file already exists.
+                            } else
+                            {
+                                onFailure("Unable to copy asset file: " + winrt::to_string(ex.message()));
+                                return;
+                            }
                         }
                     }
                 }
@@ -554,4 +559,4 @@ namespace SQLitePlugin
     {
         return ApplicationData::Current().LocalFolder().Path() + L"\\" + dbFileName;
     }
-}
+}