diff --git a/Pilz.UI/Extensions/DialogResultExtensions.cs b/Pilz.UI/Extensions/DialogResultExtensions.cs
index f071f7f..9292f94 100644
--- a/Pilz.UI/Extensions/DialogResultExtensions.cs
+++ b/Pilz.UI/Extensions/DialogResultExtensions.cs
@@ -34,11 +34,21 @@ public static class DialogResultExtensions
 
     public static bool IsYes(this DialogResult @this)
     {
-        return @this == DialogResult.OK;
+        return @this == DialogResult.Yes;
     }
     
     public static bool IsNotYes(this DialogResult @this)
     {
-        return @this != DialogResult.OK;
+        return @this != DialogResult.Yes;
+    }
+    
+    public static bool IsCancel(this DialogResult @this)
+    {
+        return @this == DialogResult.Cancel;
+    }
+    
+    public static bool IsNotCancel(this DialogResult @this)
+    {
+        return @this != DialogResult.Cancel;
     }
 }