Error: Unable to load the icon: 'CustomEditorWindow'. (Custom Scene View)

Question

Creating and opening a custom editor window which derives from SceneView causes the following error:

 Unable to load the icon: 'CustomEditorWindow'.
 Note that either full project path should be used (with extension) or just the icon name if the icon is located in the following location: 'Assets/Editor Default Resources/Icons/' (without extension, since png is assumed)
 UnityEditor.EditorWindow:CreateWindow(String, Type[])
 CustomEditorWindow:Init() (at Assets/Scripts/Editor/TestEditorWindow.cs:8)

Why is this happening? What am I doing wrong? Or is this a bug?

The Code is as simple as it gets:

 using UnityEditor;
 
 public class CustomEditorWindow : SceneView
 {
     [MenuItem("Window/Custom Editor Window")]
     public static void Init ()
     {
         CreateWindow<CustomEditorWindow>("Custom Editor Window");
     }
 }

Any suggestions?

Answer 1

Best Answer

Answer by viesc123 · May 29, 2020 at 08:25 PM

If you create an image file and leave out the window title, when creating it in the code, you can see where the image is supposed to go :) "Scene" seems to be the default name, when none is further specified.

alt text

custom.png (297.5 kB)

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CybexGS · May 30, 2020 at 10:21 AM 0

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Ah, now i get it. Great, thanks.

Just out of curiousity, how would i go about the former option? specifying a path that isnt 'Assets/Editor Default Resources/Icons'?

viesc123 CybexGS · May 31, 2020 at 10:45 AM 0

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Dug into the base code and the setting of the icon comes from an [EditorWindowTitle(title = "Scene", useTypeNameAsIconName = true)] attribute used on the SceneView class. Unfortunately, the attribute is marked internal and my C# knowledge is too limited to know how to work around this...

CybexGS viesc123 · Jun 02, 2020 at 09:12 AM 0

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Probably not worth working arund the limitation. The default folder is good enough since everything is now working as intended without errors. Thanks again mate.

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Error: Unable to load the icon: 'CustomEditorWindow'. (Custom Scene View)

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