ClientAdapter.cpp

set returnNullIfBrowserNotFound field value as "true" for GetBrowserWrapper method in OnBeforeResourceLoad in order to prevent crashing popup window, when window is closed.

Author: turgayselvi

CefSharp.Core/Internals/ClientAdapter.cpp

@@ -700,7 +700,7 @@ namespace CefSharp
             }            
 
             auto frameWrapper = gcnew CefFrameWrapper(frame);
-            auto browserWrapper = GetBrowserWrapper(browser->GetIdentifier(), browser->IsPopup(), false);
+            auto browserWrapper = GetBrowserWrapper(browser->GetIdentifier(), browser->IsPopup(), true);
             auto requestWrapper = gcnew CefRequestWrapper(request);
             auto requestCallback = gcnew CefRequestCallbackWrapper(callback, frameWrapper, requestWrapper);