Q&A - Question

Unhandled exception

Question
Maja asked on January 26, 2018, keyword: Developer Kernel

When adding layer from server by WMS service and by some reason connection to internet will be lost, there will occur unhandled exception when user will try zoom in or zoom out, which will stop the application. Answer to resolving this issue is catching this exception in Program.cs Main() function, but maybe there is built in procedure to handle this exception ?

Technology used : C#, WinForms

Stack trace : 

TatukGIS.NDK.EGIS_Exception: 0171 Server reports error ""
   w TatukGIS.NDK.TGIS_LayerWMS.DrawEx(TGIS_Extent _ex)
   w TatukGIS.NDK.TGIS_Layer.Draw()
   w TatukGIS.NDK.TGIS_Layer.Paint()
   w TatukGIS.NDK.TGIS_Viewer.Draw(Object _renderer, TGIS_DrawMode _mode)
   w TatukGIS.NDK.WinForms.TGIS_ViewerWnd.Draw(Object _renderer, TGIS_DrawMode _mode)
   w TatukGIS.NDK.WinForms.TGIS_ViewerWnd.I6Y(Object  , TGIS_ViewerWndHelperRun  )
   w TatukGIS.NDK.TGIS_ViewerWndHelperRun.rycT()
   w TatukGIS.NDK.TGIS_ViewerWndHelperRun..ctor(TGIS_ViewerWndHelper _context)
   w TatukGIS.NDK.TGIS_ViewerWndHelper.eycI(Object  )
   w TatukGIS.RTL.TGIS_Timer.S1d(Object  , EventArgs  )
   w System.Windows.Forms.Timer.OnTick(EventArgs e)
   w System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
   w System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
 

Answers
Tomasz Kosinski (TatukGIS) replied January 26, 2018
Please handle GIS.PaintExceptionEvent . It is fully functional in version 11.13.0 STABLE (to be posted later today)
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