handle errors returned by wxAnimateCtrl::Play() (part of patch 1586730)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42634 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/xrc/myframe.cpp

@@ -194,8 +194,10 @@ void MyFrame::OnAnimationCtrlPlay(wxCommandEvent& event)
     }
     else
     {
-        ctrl->Play();
+        if (ctrl->Play())
             btn->SetLabel(wxT("Stop"));
+        else
+            wxLogError(wxT("Cannot play the animation..."));
     }
 #endif
 }