3 files changed, 7 insertions, 7 deletions

diff --git a/src/api/burn/WixToolset.Mba.Core/BootstrapperApplication.cs b/src/api/burn/WixToolset.Mba.Core/BootstrapperApplication.cs
index b08e66c0..1df992be 100644
--- a/src/api/burn/WixToolset.Mba.Core/BootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.Mba.Core/BootstrapperApplication.cs
@@ -1378,9 +1378,9 @@ namespace WixToolset.Mba.Core
             return args.HResult;
         }
 
-        int IBootstrapperApplication.OnDetectBegin(bool fCached, bool fInstalled, int cPackages, ref bool fCancel)
+        int IBootstrapperApplication.OnDetectBegin(bool fCached, RegistrationType registrationType, int cPackages, ref bool fCancel)
         {
-            DetectBeginEventArgs args = new DetectBeginEventArgs(fCached, fInstalled, cPackages, fCancel);
+            DetectBeginEventArgs args = new DetectBeginEventArgs(fCached, registrationType, cPackages, fCancel);
             this.OnDetectBegin(args);
 
             fCancel = args.Cancel;
diff --git a/src/api/burn/WixToolset.Mba.Core/EventArgs.cs b/src/api/burn/WixToolset.Mba.Core/EventArgs.cs
index 2e1e1be3..816757cc 100644
--- a/src/api/burn/WixToolset.Mba.Core/EventArgs.cs
+++ b/src/api/burn/WixToolset.Mba.Core/EventArgs.cs
@@ -249,11 +249,11 @@ namespace WixToolset.Mba.Core
     public class DetectBeginEventArgs : CancellableHResultEventArgs
     {
         /// <summary />
-        public DetectBeginEventArgs(bool cached, bool installed, int packageCount, bool cancelRecommendation)
+        public DetectBeginEventArgs(bool cached, RegistrationType registrationType, int packageCount, bool cancelRecommendation)
             : base(cancelRecommendation)
         {
             this.Cached = cached;
-            this.Installed = installed;
+            this.RegistrationType = registrationType;
             this.PackageCount = packageCount;
         }
 
@@ -263,9 +263,9 @@ namespace WixToolset.Mba.Core
         public bool Cached { get; private set; }
 
         /// <summary>
-        /// Gets whether the bundle is installed.
+        /// Gets the bundle's registration state.
         /// </summary>
-        public bool Installed { get; private set; }
+        public RegistrationType RegistrationType { get; private set; }
 
         /// <summary>
         /// Gets the number of packages to detect.
diff --git a/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs b/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs
index 4fbe5e18..489e3b6d 100644
--- a/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs
@@ -70,7 +70,7 @@ namespace WixToolset.Mba.Core
         [return: MarshalAs(UnmanagedType.I4)]
         int OnDetectBegin(
             [MarshalAs(UnmanagedType.Bool)] bool fCached,
-            [MarshalAs(UnmanagedType.Bool)] bool fInstalled,
+            [MarshalAs(UnmanagedType.U4)] RegistrationType registrationType,
             [MarshalAs(UnmanagedType.U4)] int cPackages,
             [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
             );