diff --git a/Pilz.UI.AvaloniaUI/Dialogs/AvaloniaFlyoutBase.axaml.cs b/Pilz.UI.AvaloniaUI/Dialogs/AvaloniaFlyoutBase.axaml.cs
index db3b8e9..e11595c 100644
--- a/Pilz.UI.AvaloniaUI/Dialogs/AvaloniaFlyoutBase.axaml.cs
+++ b/Pilz.UI.AvaloniaUI/Dialogs/AvaloniaFlyoutBase.axaml.cs
@@ -26,6 +26,9 @@ public partial class AvaloniaFlyoutBase : UserControl
     [DefaultValue(true)]
     public bool RegisterDialogCancel { get; set; } = true;
     
+    [Browsable(false)]
+    public bool IsClosed { get; protected set; } 
+    
     protected AvaloniaFlyoutBase()
     {
         InitializeComponent();
@@ -167,6 +170,7 @@ public partial class AvaloniaFlyoutBase : UserControl
 
     protected virtual void Close()
     {
+        IsClosed = true;
         OnClose?.Invoke(this, EventArgs.Empty);
     }
 
diff --git a/Pilz.UI.AvaloniaUI/Pilz.UI.AvaloniaUI.csproj b/Pilz.UI.AvaloniaUI/Pilz.UI.AvaloniaUI.csproj
index 9871686..5984913 100644
--- a/Pilz.UI.AvaloniaUI/Pilz.UI.AvaloniaUI.csproj
+++ b/Pilz.UI.AvaloniaUI/Pilz.UI.AvaloniaUI.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <Version>1.2.16</Version>
+    <Version>1.2.17</Version>
   </PropertyGroup>
 
   <ItemGroup>