Setup custom window chrome

WpfExtended.Blazor/Launch/BlazorHostWindow.xaml

@@ -6,19 +6,21 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="clr-namespace:WpfExtended.Blazor.Launch"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:shell="clr-namespace:System.Windows.Shell;assembly=PresentationFramework"
     x:Name="_this"
     Title="BlazorHostWindow"
     Width="800"
     Height="450"
     mc:Ignorable="d">
-    <Grid>
-        <blazor:BlazorWebView
-            x:Name="BlazorWebView"
-            HostPage="{Binding ElementName=_this, Path=HostPage, Mode=OneWay}"
-            Services="{Binding ElementName=_this, Path=Services, Mode=OneWay}">
-            <blazor:BlazorWebView.RootComponents>
-                <blazor:RootComponent x:Name="RootComponent" Selector="#app" />
-            </blazor:BlazorWebView.RootComponents>
-        </blazor:BlazorWebView>
-    </Grid>
+    <shell:WindowChrome.WindowChrome>
+        <WindowChrome x:Name="WindowChrome" />
+    </shell:WindowChrome.WindowChrome>
+    <blazor:BlazorWebView
+        x:Name="BlazorWebView"
+        HostPage="{Binding ElementName=_this, Path=HostPage, Mode=OneWay}"
+        Services="{Binding ElementName=_this, Path=Services, Mode=OneWay}">
+        <blazor:BlazorWebView.RootComponents>
+            <blazor:RootComponent x:Name="RootComponent" Selector="#app" />
+        </blazor:BlazorWebView.RootComponents>
+    </blazor:BlazorWebView>
 </Window>

WpfExtended.Blazor/Launch/BlazorHostWindow.xaml.cs

@@ -33,8 +33,8 @@ public partial class BlazorHostWindow : Window
         set
         {
             this.SetValue(ShowTitleBarProperty, value);
-            this.WindowStyle = value ? WindowStyle.SingleBorderWindow : WindowStyle.None;
-            this.ResizeMode = value ? ResizeMode.CanResize : ResizeMode.NoResize;
+            this.WindowChrome.CaptionHeight = value ? SystemParameters.CaptionHeight : 0;
+            this.BlazorWebView.Margin = value ? new Thickness(0, SystemParameters.CaptionHeight, 0, 0) : new Thickness(0);
         }
     }
 
@@ -64,4 +64,19 @@ public partial class BlazorHostWindow : Window
         this.HostPage = blazorLaunchProperties.HostPage;
         this.AppType = blazorLaunchProperties.AppType;
     }
+
+    protected override void OnStateChanged(EventArgs e)
+    {
+        base.OnStateChanged(e);
+        var cornerRadius = Math.Max(
+            Math.Max(SystemParameters.WindowCornerRadius.TopLeft, SystemParameters.WindowCornerRadius.TopRight),
+            Math.Max(SystemParameters.WindowCornerRadius.BottomLeft, SystemParameters.WindowCornerRadius.BottomRight));
+        this.WindowChrome.ResizeBorderThickness = this.WindowState is WindowState.Maximized ? new Thickness(0) : new Thickness(cornerRadius);
+        this.WindowChrome.CornerRadius = this.WindowState is WindowState.Maximized ? new CornerRadius(0) : SystemParameters.WindowCornerRadius;
+        this.BlazorWebView.Margin = this.WindowState is WindowState.Maximized
+            ? this.ShowTitleBar 
+                ? new Thickness(cornerRadius, SystemParameters.CaptionHeight + cornerRadius, cornerRadius, cornerRadius)
+                : new Thickness(cornerRadius)
+            : new Thickness(0, this.ShowTitleBar ? SystemParameters.CaptionHeight : 0, 0, 0);
+    }
 }

WpfExtended.Blazor/WpfExtended.Blazor.csproj

@@ -4,7 +4,7 @@
     <TargetFrameworks>net9.0-windows</TargetFrameworks>
     <UseWPF>true</UseWPF>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.7.15</Version>
+    <Version>0.8.0</Version>
     <LangVersion>latest</LangVersion>
     <Description>
       Extension library for Blazor Hybrid running on Windows Presentation Platform.