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Fixed in 0.1.0
Votes
0
Found in [Package]
2019.1
2019.2
2019.3
2020.1
2020.2
2020.2.0a5
Issue ID
1233033
Regression
No
[UIElements]Error thrown when no panel is selected & searched for panels by "type, name, or class" in UIElements Debugger window
When no panel is selected in the Panel's dropdown list from the UIElements Debugger window and tried to search the panel by "type, name, or class" in the search box which is at the bottom of the window, causes the Editor to throw NullReferenceException in the Console, Refer attached video
Steps to repro:
1. Create a new project
2. Window > Analysis > UIElements Debugger
3. Search "type, name, or class" in the Search box
Actual Result:
NullReferenceException thrown on searching by "type, name, or class" in the Search Box when no panel is selected in the Panel's dropdown list
Expected Result:
No exception in the console
Note: Search Box of "type, name, or class" in UIElements Debugger window is introduced in 2019.1.a11
Occurring on:
2020.2.0a5, 2020.1.0b4, 2019.3.8f1, 2019.2.13f1, 2019.1.11f1, 2019.1.0a11
Environment:
Windows10 and macOS 10.14
Stack trace:
NullReferenceException: Object reference not set to an instance of an object
UnityEditor.UIElements.Debugger.DebuggerTreeView.get_treeItems () (at <89faf899e9c14826b38ffd64a0c1974d>:0)
UnityEditor.UIElements.Debugger.DebuggerSearchBar.PerformSearch (UnityEngine.UIElements.ChangeEvent`1[T] evt) (at <89faf899e9c14826b38ffd64a0c1974d>:0)
UnityEngine.UIElements.EventCallbackFunctor`1[TEventType].Invoke (UnityEngine.UIElements.EventBase evt) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventCallbackRegistry.InvokeCallbacks (UnityEngine.UIElements.EventBase evt) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.CallbackEventHandler.HandleEvent (UnityEngine.UIElements.EventBase evt) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatchUtilities.PropagateEvent (UnityEngine.UIElements.EventBase evt) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.DefaultDispatchingStrategy.DispatchEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcher.ApplyDispatchingStrategies (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, System.Boolean imguiEventIsInitiallyUsed) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEventQueue () (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcher.OpenGate () (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcherGate.Dispose () (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.EventDispatcher.Dispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, UnityEngine.UIElements.DispatchMode dispatchMode) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.BaseVisualElementPanel.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& eventHandled) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.UIEventRegistration.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.UIElements.UIEventRegistration+<>c.<.cctor>b__1_2 (System.Int32 i, System.IntPtr ptr) (at <6ba4566766d14a388257ed8326fd094d>:0)
UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& result) (at <7e072e4699014d9089b4f15a2244620f>:0)
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