I m getting invalid Spatial Reference error.
System.ArgumentException was unhandled by user code
Message=Invalid spatial reference.
StackTrace:
at ESRI.ArcGIS.Client.Projection.WebMercator.ToGeographic(Geometry proj)
at Delasoft.Hpm.ViewModel.HpmBaseEsriMapViewModel.OnGoogleMapOpen(Object param)
at Telerik.Windows.Controls.DelegateCommand.Execute(Object parameter)
at Telerik.Windows.Controls.RadMenuItem.ExecuteCommand()
at Telerik.Windows.Controls.RadMenuItem.OnClickImpl()
at Telerik.Windows.Controls.RadMenuItem.OnClick()
at Telerik.Windows.Controls.RadMenuItem.ClickItem()
at Telerik.Windows.Controls.RadMenuItem.HandleMouseUp()
at Telerik.Windows.Controls.RadMenuItem.OnMouseLeftButtonUp(MouseButtonEventArgs e)
at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName, UInt32 flags)
InnerException: