diff --git a/CefSharp.WinForms/WebView.cpp b/CefSharp.WinForms/WebView.cpp
index 3d32e76b4f..b8b8a63140 100644
--- a/CefSharp.WinForms/WebView.cpp
+++ b/CefSharp.WinForms/WebView.cpp
@@ -332,16 +332,19 @@ namespace WinForms
         ConsoleMessage(this, gcnew ConsoleMessageEventArgs(message, source, line));
     }
 
-    void WebView::OnFrameLoadStart(String^ url)
+    void WebView::OnFrameLoadStart(String^ url, bool isMainFrame)
     {
         _browserCore->OnFrameLoadStart();
+
+        LoadStartedEventArgs^ args = gcnew LoadStartedEventArgs(url, isMainFrame);
+        LoadStarted(this, args);
     }
 
-    void WebView::OnFrameLoadEnd(String^ url)
+    void WebView::OnFrameLoadEnd(String^ url, bool isMainFrame)
     {
         _browserCore->OnFrameLoadEnd();
         
-        LoadCompletedEventArgs^ args = gcnew LoadCompletedEventArgs(url);
+        LoadCompletedEventArgs^ args = gcnew LoadCompletedEventArgs(url, isMainFrame);
         LoadCompleted(this, args);
     }
 
diff --git a/CefSharp.WinForms/WebView.h b/CefSharp.WinForms/WebView.h
index 61753a060d..e95bdb4b2d 100644
--- a/CefSharp.WinForms/WebView.h
+++ b/CefSharp.WinForms/WebView.h
@@ -46,6 +46,7 @@ namespace WinForms
         virtual event ConsoleMessageEventHandler^ ConsoleMessage;
         virtual event KeyEventHandler^ BrowserKey;
         virtual event LoadCompletedEventHandler^ LoadCompleted;
+        virtual event LoadStartedEventHandler^ LoadStarted;
 
         WebView()
         {
@@ -181,8 +182,8 @@ namespace WinForms
 
         virtual void SetNavState(bool isLoading, bool canGoBack, bool canGoForward);
 
-        virtual void OnFrameLoadStart(String^ url);
-        virtual void OnFrameLoadEnd(String^ url);
+        virtual void OnFrameLoadStart(String^ url, bool isMainFrame);
+        virtual void OnFrameLoadEnd(String^ url, bool isMainFrame);
         virtual void OnTakeFocus(bool next);
         virtual void OnConsoleMessage(String^ message, String^ source, int line);
 
diff --git a/CefSharp.Wpf/WebView.cpp b/CefSharp.Wpf/WebView.cpp
index 536a49cfa3..e316b55800 100644
--- a/CefSharp.Wpf/WebView.cpp
+++ b/CefSharp.Wpf/WebView.cpp
@@ -623,16 +623,19 @@ namespace CefSharp
             return _browserCore->GetBoundObjects();
         }
 
-        void WebView::OnFrameLoadStart(String^ url)
+        void WebView::OnFrameLoadStart(String^ url, bool isMainFrame)
         {
             _browserCore->OnFrameLoadStart();
+
+            LoadStartedEventArgs^ args = gcnew LoadStartedEventArgs(url, isMainFrame);
+            LoadStarted(this, args);
         }
 
-        void WebView::OnFrameLoadEnd(String^ url)
+        void WebView::OnFrameLoadEnd(String^ url, bool isMainFrame)
         {
             _browserCore->OnFrameLoadEnd();
 
-            LoadCompletedEventArgs^ args = gcnew LoadCompletedEventArgs(url);
+            LoadCompletedEventArgs^ args = gcnew LoadCompletedEventArgs(url, isMainFrame);
             LoadCompleted(this, args);
         }
 
diff --git a/CefSharp.Wpf/WebView.h b/CefSharp.Wpf/WebView.h
index 0640f96f30..cc6f8f4426 100644
--- a/CefSharp.Wpf/WebView.h
+++ b/CefSharp.Wpf/WebView.h
@@ -128,6 +128,7 @@ namespace CefSharp
             virtual event ConsoleMessageEventHandler^ ConsoleMessage;
             virtual event KeyEventHandler^ BrowserKey;
             virtual event LoadCompletedEventHandler^ LoadCompleted;
+            virtual event LoadStartedEventHandler^ LoadStarted;
 
             WebView()
             {
@@ -291,8 +292,8 @@ namespace CefSharp
 
             virtual void SetNavState(bool isLoading, bool canGoBack, bool canGoForward);
 
-            virtual void OnFrameLoadStart(String^ url);
-            virtual void OnFrameLoadEnd(String^ url);
+            virtual void OnFrameLoadStart(String^ url, bool isMainFrame);
+            virtual void OnFrameLoadEnd(String^ url, bool isMainFrame);
             virtual void OnTakeFocus(bool next);
             virtual void OnConsoleMessage(String^ message, String^ source, int line);
 
diff --git a/CefSharp/CefSharp.vcxproj b/CefSharp/CefSharp.vcxproj
index d4f00492ed..f87554c413 100644
--- a/CefSharp/CefSharp.vcxproj
+++ b/CefSharp/CefSharp.vcxproj
@@ -165,6 +165,7 @@
     <ClInclude Include="ISchemeHandler.h" />
     <ClInclude Include="IWebBrowser.h" />
     <ClInclude Include="LoadCompletedEventArgs.h" />
+    <ClInclude Include="LoadStartedEventArgs.h" />
     <ClInclude Include="MCefRefPtr.h" />
     <ClInclude Include="Internals\JavascriptBinding\PropertyAccessor.h" />
     <ClInclude Include="RenderClientAdapter.h" />
diff --git a/CefSharp/CefSharp.vcxproj.filters b/CefSharp/CefSharp.vcxproj.filters
index d1a64aff73..b9cbe2e32d 100644
--- a/CefSharp/CefSharp.vcxproj.filters
+++ b/CefSharp/CefSharp.vcxproj.filters
@@ -190,5 +190,8 @@
     <ClInclude Include="ISchemeHandler.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="LoadStartedEventArgs.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/CefSharp/ClientAdapter.cpp b/CefSharp/ClientAdapter.cpp
index e6ab734195..53c4ffd2f8 100644
--- a/CefSharp/ClientAdapter.cpp
+++ b/CefSharp/ClientAdapter.cpp
@@ -123,7 +123,7 @@ namespace CefSharp
             _browserControl->SetNavState(true, false, false);
         }
 
-        _browserControl->OnFrameLoadStart(toClr(frame->GetURL()));
+        _browserControl->OnFrameLoadStart(toClr(frame->GetURL()), frame->IsMain());
     }
 
     void ClientAdapter::OnLoadEnd(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, int httpStatusCode)
@@ -139,7 +139,7 @@ namespace CefSharp
             _browserControl->SetNavState(false, browser->CanGoBack(), browser->CanGoForward());
         }
 
-        _browserControl->OnFrameLoadEnd(toClr(frame->GetURL()));
+        _browserControl->OnFrameLoadEnd(toClr(frame->GetURL()), frame->IsMain());
     }
 
     bool ClientAdapter::OnLoadError(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, ErrorCode errorCode, const CefString& failedUrl, CefString& errorText)
diff --git a/CefSharp/IWebBrowser.h b/CefSharp/IWebBrowser.h
index e5eb1ef7b4..83da2fe28b 100644
--- a/CefSharp/IWebBrowser.h
+++ b/CefSharp/IWebBrowser.h
@@ -4,6 +4,7 @@
 #include "BrowserCore.h"
 #include "ConsoleMessageEventArgs.h"
 #include "LoadCompletedEventArgs.h"
+#include "LoadStartedEventArgs.h"
 
 using namespace System;
 using namespace System::ComponentModel;
@@ -65,8 +66,8 @@ namespace CefSharp
 
         void SetNavState(bool isLoading, bool canGoBack, bool canGoForward);
 
-        void OnFrameLoadStart(String^ url);
-        void OnFrameLoadEnd(String^ url);
+        void OnFrameLoadStart(String^ url, bool isMainFrame);
+        void OnFrameLoadEnd(String^ url, bool isMainFrame);
         void OnTakeFocus(bool next);
         void OnConsoleMessage(String^ message, String^ source, int line);
 
diff --git a/CefSharp/LoadCompletedEventArgs.h b/CefSharp/LoadCompletedEventArgs.h
index c370116e51..aaf54c3af0 100644
--- a/CefSharp/LoadCompletedEventArgs.h
+++ b/CefSharp/LoadCompletedEventArgs.h
@@ -8,12 +8,14 @@ namespace CefSharp
     public ref class LoadCompletedEventArgs : EventArgs
     {
         String^ _url;
+        bool _isMainFrame;
 
     public:
-        LoadCompletedEventArgs(String^ url)
-            : _url(url) {}
+        LoadCompletedEventArgs(String^ url, bool isMainFrame)
+            : _url(url), _isMainFrame(isMainFrame) {}
 
         property String^ Url { String^ get() { return _url; } }
+        property bool IsMainFrame { bool get() { return _isMainFrame; } }
     };
 
     public delegate void LoadCompletedEventHandler(Object^ sender, LoadCompletedEventArgs^ url);
diff --git a/CefSharp/LoadStartedEventArgs.h b/CefSharp/LoadStartedEventArgs.h
new file mode 100644
index 0000000000..6fef173efc
--- /dev/null
+++ b/CefSharp/LoadStartedEventArgs.h
@@ -0,0 +1,22 @@
+#include "Stdafx.h"
+#pragma once
+
+using namespace System;
+
+namespace CefSharp
+{
+    public ref class LoadStartedEventArgs : EventArgs
+    {
+        String^ _url;
+        bool _isMainFrame;
+
+    public:
+        LoadStartedEventArgs(String^ url, bool isMainFrame)
+            : _url(url), _isMainFrame(isMainFrame) {}
+
+        property String^ Url { String^ get() { return _url; } }
+        property bool IsMainFrame { bool get() { return _isMainFrame; } }
+    };
+
+    public delegate void LoadStartedEventHandler(Object^ sender, LoadStartedEventArgs^ url);
+}
\ No newline at end of file