Drawing the default inspector while ignoring some of the properties

UnityEditorDrawDefaultExcluding.cs

    public class EstimateConeRayAnglesEditor: UnityEditor.Editor
    {
        private enum State { Wait, Started, Processing }

        private static readonly string[] excludedSerializedNames = new string[]{ "propToIgnore1", "propToIgnore2" };

        public override void OnInspectorGUI()
        {
            // Combining Editor.DrawPropertiesExcluding and Editor.DoDrawDefaultInspector
            SerializedProperty iterator = serializedObject.GetIterator();
            bool enterChildren = true;
            while (iterator.NextVisible(enterChildren))
            {
                enterChildren = false;
                if (!excludedSerializedNames.Contains(iterator.name))
                {
                    using (new EditorGUI.DisabledScope("m_Script" == iterator.propertyPath))
                    {
                        EditorGUILayout.PropertyField(iterator, true);
                    }
                }
            }
            
            // Draw propToIgnore1 and propToIgnore2
        }
    }