Create RepositoryWindow

src/KeyKeeper/KeyKeeper.csproj

@@ -25,4 +25,10 @@
     </PackageReference>
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.1" />
   </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="RepositoryWindow.axaml.cs">
+      <DependentUpon>RepositoryWindow.axaml</DependentUpon>
+    </Compile>
+  </ItemGroup>
 </Project>

src/KeyKeeper/RepositoryWindow.axaml

@@ -0,0 +1,9 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="KeyKeeper.RepositoryWindow"
+        Title="Window1">
+  Welcome to Avalonia!
+</Window>

src/KeyKeeper/RepositoryWindow.axaml.cs

@@ -0,0 +1,13 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace KeyKeeper;
+
+public partial class RepositoryWindow: Window
+{
+    public RepositoryWindow()
+    {
+        InitializeComponent();
+    }
+}

src/KeyKeeper/Views/MainWindow.axaml.cs

@@ -40,6 +40,7 @@ namespace KeyKeeper.Views
                 {
                     ShowMessage($"Создание нового хранилища: {path}");
                     (DataContext as MainWindowViewModel)!.CreateVault(path);
+                    OpenRepositoryWindow();
                 }
             }
         }
@@ -71,6 +72,7 @@ namespace KeyKeeper.Views
                 {
                     ShowMessage($"Открытие хранилища: {path}");
                     (DataContext as MainWindowViewModel)!.OpenVault(path);
+                    OpenRepositoryWindow();
                 }
             }
         }
@@ -87,5 +89,16 @@ namespace KeyKeeper.Views
             };
             messageBox.ShowDialog(this);
         }
+        private void OpenRepositoryWindow()
+        {
+            var repositoryWindow = new RepositoryWindow()
+            {
+                DataContext = this.DataContext,
+                WindowStartupLocation = WindowStartupLocation.CenterScreen
+            };
+            repositoryWindow.Closed += (s, e) => this.Show();
+            repositoryWindow.Show();
+            this.Hide();
+        }
     }
 }