Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Null Reference Exception
System.NullReferenceException: Object reference not set to an instance of an object
at MonoTouch.Design.Client.PropertyResolver.get_UIKitObject () [0x0000d] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/PropertyResolver.cs:39
at MonoTouch.Design.Client.PropertyResolver.IsCustomProperty (System.String propertyName) [0x00002] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/PropertyResolver.cs:71
at MonoTouch.Design.Client.PropertyResolver.GetValue (System.String propertyName) [0x00015] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/PropertyResolver.cs:84
at MonoTouch.Design.Client.UIBaseControllerPropertyResolver.GetValue (System.String propertyName) [0x001de] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/PropertyResolvers/UIBaseControllerPropertyResolver.cs:94
at MonoTouch.Design.Client.UINavigationControllerPropertyResolver.GetValue (System.String propertyName) [0x00003] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/PropertyResolvers/UINavigationControllerPropertyResolver.cs:17
at MonoTouch.Design.Client.IPhoneDesignerItem.GetPropertyValue (System.String name) [0x00198] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/DesignerItems/IPhoneDesignerItem.cs:331
at Xamarin.Designer.PropertyEditing.PropertyEditorContext.GetPropertyValue (System.String name) [0x00008] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer.PropertyEditing/PropertyEditorContext.cs:117
at MonoTouch.Design.Client.Mac.NativePropertyEntry`1[MonoMac.AppKit.NSComboBox]..ctor (Xamarin.Designer.PropertyEditing.PropertyEditorContext ctx, Xamarin.Designer.PropertyEditing.PropertyEditorBase editor, Xamarin.Designer.DesignerPropertyDescriptor attr) [0x0002e] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/NativePropertyEditing/NativePropertyEntry.cs:38
at MonoTouch.Design.Client.Mac.EnumPropertyEntry..ctor (Xamarin.Designer.PropertyEditing.PropertyEditorContext ctx, Xamarin.Designer.PropertyEditing.PropertyEditorBase editor, Xamarin.Designer.DesignerPropertyDescriptor attr) [0x00000] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/NativePropertyEditing/EnumPropertyEntry.cs:17
at MonoTouch.Design.Client.Mac.IPhoneDesignerServiceMac.CreateNativePropertyEntry (Xamarin.Designer.PropertyEditing.PropertyEditorContext ctx, Xamarin.Designer.PropertyEditing.PropertyEditorBase editor, System.String name) [0x00135] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/IPhoneDesignerServiceMac.cs:125
at Xamarin.Designer.PropertyEditing.PropertyEditor.CreateNativePropertyEntry (Xamarin.Designer.PropertyEditing.PropertyEditorContext ctx, System.String name) [0x0000f] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer.PropertyEditing/PropertyEditor.cs:88
at MonoTouch.Design.Client.Mac.NativePropertyTable.CreateEditor (MonoTouch.Design.Client.Mac.PropertyTableRow row, Xamarin.Designer.PropertyEditing.PropertyEditor editor) [0x0002b] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/NativePropertyEditing/NativePropertyTable.cs:371
at MonoTouch.Design.Client.Mac.NativePropertyTable.AddRow (Xamarin.Designer.PropertyEditing.PropertyEditorBase pe, MonoTouch.Design.Client.Mac.PropertyTableGroup grp, Int32 groupID, MonoTouch.Design.Client.Mac.PropertyTableRow parent) [0x00289] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/NativePropertyEditing/NativePropertyTable.cs:313
at MonoTouch.Design.Client.Mac.NativePropertyTable.AddPanel (Xamarin.Designer.PropertyPanel p) [0x000d6] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/NativePropertyEditing/NativePropertyTable.cs:242
at MonoTouch.Design.Client.Mac.NativePropertyTable.Fill (Xamarin.Designer.PropertyEditing.PropertyEditorContext context, IEnumerable`1 panels) [0x001bf] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client.Mac/NativePropertyEditing/NativePropertyTable.cs:180
at Xamarin.Designer.DesignerPropertyPanel.SwitchToSection (Xamarin.Designer.PropertySection section) [0x0008f] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerPropertyPanel.cs:227
at Xamarin.Designer.DesignerPropertyPanel.LoadItem (Xamarin.Designer.DesignerItem item) [0x0017a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerPropertyPanel.cs:209
at Xamarin.Designer.PropertyEditing.IPhoneDesignerPropertyPanel.HandleDesignerSelectionChanged (System.Object sender, System.EventArgs e) [0x0005c] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/PropertyEditing/IPhoneDesignerPropertyPanel.cs:119
at Xamarin.Designer.DesignerSurface.OnSelectionChanged () [0x0006f] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerSurface.cs:948
at MonoTouch.Design.Client.IPhoneDesignerSurface.OnSelectionChanged () [0x0006d] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/IPhoneDesignerSurface.cs:415
at Xamarin.Designer.DesignerSurface.set_SelectedItems (Xamarin.Designer.DesignerItem[] value) [0x000e0] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerSurface.cs:993
at Xamarin.Designer.DesignerSurface.set_SelectedItem (Xamarin.Designer.DesignerItem value) [0x00012] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerSurface.cs:961
at MonoTouch.Design.Client.IPhoneDesignerSurface.HandleItemRemoved (System.Object sender, Xamarin.Designer.DesignerItemEventArgs e) [0x0003c] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/IPhoneDesignerSurface.cs:140
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at (wrapper delegate-invoke) System.EventHandler`1<Xamarin.Designer.DesignerItemEventArgs>:invoke_void__this___object_TEventArgs (object,Xamarin.Designer.DesignerItemEventArgs)
at Xamarin.Designer.DesignerSession.OnItemRemoved (Xamarin.Designer.DesignerItem item) [0x00024] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerSession.cs:211
at MonoTouch.Design.Client.IPhoneDesignerSession.Remove (IEnumerable`1 items) [0x0012b] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/IPhoneDesignerSession.cs:898
at MonoTouch.Design.Client.IPhoneDesignerSession.Remove (MonoTouch.Design.Client.IPhoneDesignerItem[] items) [0x00003] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/IPhoneDesignerSession.cs:879
at MonoTouch.Design.Client.IPhoneDesignerItem.Delete () [0x00002] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/DesignerItems/IPhoneDesignerItem.cs:164
at MonoTouch.Design.Client.ViewControllerDesignerItem.Delete () [0x00007] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer.iOS/MonoTouch.Design.Client/DesignerItems/ViewControllerDesignerItem.cs:67
at Xamarin.Designer.DesignerItem+<CreateContextMenu>c__AnonStorey11.<>m__26 (System.Object , System.EventArgs ) [0x00007] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/md-addins/Xamarin.Designer/Xamarin.Designer/DesignerItem.cs:273
at Xwt.MenuItem.OnClicked (System.EventArgs e) [0x00014] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/monodevelop/main/external/xwt/Xwt/Xwt/MenuItem.cs:148
at Xwt.MenuItem.DoClick () [0x00007] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/monodevelop/main/external/xwt/Xwt/Xwt/MenuItem.cs:142
at Xwt.MenuItem+MenuItemBackendHost.OnClicked () [0x00007] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/monodevelop/main/external/xwt/Xwt/Xwt/MenuItem.cs:53
at Xwt.GtkBackend.MenuItemBackend.<HandleItemActivated>m__2E () [0x00007] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/monodevelop/main/external/xwt/Xwt.Gtk/Xwt.GtkBackend/MenuItemBackend.cs:206
at Xwt.Toolkit.Invoke (System.Action a) [0x00015] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.8-branch/a11bc57d/source/monodevelop/main/external/xwt/Xwt/Xwt/Toolkit.cs:260
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment