feat: release v8 draft (#129)

* feat: IDialogService.Close returns boolean indicating success (#116)

IDialogService.Close returns false instead of throwing an exception when failing to close a dialog. This behavior aligns with the behavior of IDialogService.Activate.

* release v8.0.0-beta.1

* release v8.0.0-beta.2

* release v8.0.0-beta.3

* release v8.0.0-beta.4

* chore: update assembly version

Co-authored-by: Roberto Giardi <roberto.giardi@eng.it>

CHANGELOG.md

@@ -6,12 +6,14 @@ This project adheres to [Semantic Versioning](http://semver.org/) and is followi
 
 ## Unreleased
 
-NOTE: Features with breaking changes are found on branch [releases/v8](https://github.com/FantasticFiasco/mvvm-dialogs/tree/releases/v8) and will stay there until a new major version is released. Until then the features have been published to [www.nuget.org](https://www.nuget.org/packages/MvvmDialogs/) as pre-releases to v8.
-
 ### :zap: Added
 
 - Support for .NET Core 3.1
 
+### :syringe: Changed
+
+- [#116](https://github.com/FantasticFiasco/mvvm-dialogs/issues/116) [BREAKING CHANGE] `IDialogService.Close` returns `false` instead of throwing an exception when failing to close a dialog. This behavior aligns with the behavior of `IDialogService.Activate`.
+
 ### :skull: Removed
 
 - [BREAKING CHANGE] Support for .NET Core 3.0 due to [deprecation as of March 3, 2020](https://dotnet.microsoft.com/platform/support/policy/dotnet-core)

Directory.Build.props

@@ -1,8 +1,8 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
   <PropertyGroup>
-    <VersionPrefix>7.1.1</VersionPrefix>
-    <VersionSuffix></VersionSuffix>
+    <VersionPrefix>8.0.0</VersionPrefix>
+    <VersionSuffix>beta.4</VersionSuffix>
     <Authors>Mattias Kindborg</Authors>
     <Company>FantasticFiasco</Company>
     <Product>MVVM Dialogs</Product>

SolutionInfo.cs

@@ -10,4 +10,4 @@
 [assembly: AssemblyCulture("")]
 
 // Assembly version
-[assembly: AssemblyVersion("7.1.1")]
+[assembly: AssemblyVersion("8.0.0")]

src/net/DialogService.cs

@@ -154,25 +154,30 @@ select window.Activate()
         }
 
         /// <inheritdoc />
-        public void Close(INotifyPropertyChanged viewModel)
+        public bool Close(INotifyPropertyChanged viewModel)
         {
             if (viewModel == null) throw new ArgumentNullException(nameof(viewModel));
 
             foreach (Window? window in Application.Current.Windows)
             {
-                if (window == null)
+                if (window == null || !viewModel.Equals(window.DataContext))
                 {
                     continue;
                 }
 
-                if (viewModel.Equals(window.DataContext))
+                try
                 {
                     window.Close();
-                    return;
+                    return true;
+                }
+                catch (Exception e)
+                {
+                    Logger.Write($"Failed to close dialog: {e}");
+                    break;
                 }
             }
 
-            throw new DialogNotFoundException();
+            return false;
         }
 
         /// <inheritdoc />

src/net/IDialogService.cs

@@ -134,10 +134,10 @@ void Show(
         /// <see cref="Show{T}"/> or <see cref="ShowCustom{T}"/>.
         /// </summary>
         /// <param name="viewModel">The view model of the dialog to close.</param>
-        /// <exception cref="DialogNotFoundException">
-        /// No dialog is found with specified view model as data context.
-        /// </exception>
-        void Close(INotifyPropertyChanged viewModel);
+        /// <returns>
+        /// true if the <see cref="Window"/> was successfully closed; otherwise, false.
+        /// </returns>
+        bool Close(INotifyPropertyChanged viewModel);
 
         /// <summary>
         /// Displays a message box that has a message, title bar caption, button, and icon; and