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Source/Engine/Scripting/Attributes/Editor/EditorOrderAttribute.cs

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using System;
+
+namespace FlaxEngine
+{
+    /// <summary>
+    /// Allows to declare order of the item in the editor.
+    /// </summary>
+    /// <seealso cref="System.Attribute" />
+    [Serializable]
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Delegate | AttributeTargets.Event | AttributeTargets.Method)]
+    public sealed class EditorOrderAttribute : Attribute
+    {
+        /// <summary>
+        /// Requested order to perform layout on. Used to order the items.
+        /// </summary>
+        public int Order;
+
+        private EditorOrderAttribute()
+        {
+        }
+
+        /// <summary>
+        /// Override display order in visual tree for provided model.
+        /// </summary>
+        /// <remarks>
+        /// Current order is resolved runtime, and can change if custom editor class has changed.
+        /// </remarks>
+        /// <param name="order">The order order.</param>
+        public EditorOrderAttribute(int order)
+        {
+            Order = order;
+        }
+    }
+}