Make ApplicationStarting asynchronous

WpfExtended.Test/TestApplication/Launcher.cs

@@ -7,6 +7,7 @@ using System;
 using System.Extensions;
 using System.Logging;
 using System.Net.Http;
+using System.Threading.Tasks;
 using System.Windows.Extensions;
 using WpfExtended.Test;
 using WpfExtended.Tests.Services;
@@ -47,9 +48,7 @@ namespace WpfExtended.Tests
         {
         }
 
-        protected override void ApplicationStarting()
-        {
-        }
+        protected override ValueTask ApplicationStarting() => ValueTask.CompletedTask;
 
         protected override bool HandleException(Exception e)
         {

WpfExtended/Launch/ExtendedApplication.cs

@@ -44,7 +44,7 @@ namespace System.Windows.Extensions
         /// <summary>
         /// Called right before the window is shown.
         /// </summary>
-        protected abstract void ApplicationStarting();
+        protected abstract ValueTask ApplicationStarting();
         /// <summary>
         /// Called right before the application is closing.
         /// </summary>
@@ -86,9 +86,9 @@ namespace System.Windows.Extensions
             this.ApplicationClosing();
         }
 
-        private void LaunchWindow()
+        private async void LaunchWindow()
         {
-            this.ApplicationStarting();
+            await this.ApplicationStarting().ConfigureAwait(true);
             foreach(var service in this.ServiceProvider.GetServices<IApplicationLifetimeService>())
             {
                 service.OnStartup();

WpfExtended/WpfExtended.csproj

@@ -6,7 +6,7 @@
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <PackageLicenseFile>License.txt</PackageLicenseFile>
-    <Version>0.7.8</Version>
+    <Version>0.7.9</Version>
     <LangVersion>latest</LangVersion>
     <Description>Extension library for Windows Presentation Platform.