Add wxWebViewEvent::IsError()

include/wx/webview.h

@@ -300,6 +300,7 @@ public:
           m_actionFlags(flags), m_messageHandler(messageHandler)
     {}
 
+    bool IsError() const { return GetInt() == 0; }
 
     const wxString& GetURL() const { return m_url; }
     const wxString& GetTarget() const { return m_target; }

interface/wx/webview.h

@@ -1345,6 +1345,14 @@ public:
         @since 3.1.5
     */
     const wxString& GetMessageHandler() const;
+
+    /**
+        Returns true the script execution failed. Only valid for events of type
+        @c wxEVT_WEBVIEW_SCRIPT_RESULT
+
+        @since 3.1.6
+    */
+    bool IsError() const;
 };
 
 

samples/webview/webview.cpp

@@ -932,7 +932,10 @@ void WebFrame::OnScriptMessage(wxWebViewEvent& evt)
 
 void WebFrame::OnScriptResult(wxWebViewEvent& evt)
 {
-    wxLogMessage("Async script result received; value = %s", evt.GetString());
+    if (evt.IsError())
+        wxLogError("Async script execution failed: %s", evt.GetString());
+    else
+        wxLogMessage("Async script result received; value = %s", evt.GetString());
 }
 
 void WebFrame::OnSetPage(wxCommandEvent& WXUNUSED(evt))