diff --git a/Source/Engine/UI/GUI/Panels/HorizontalPanel.cs b/Source/Engine/UI/GUI/Panels/HorizontalPanel.cs
index 6d3256a00..7b16f95e3 100644
--- a/Source/Engine/UI/GUI/Panels/HorizontalPanel.cs
+++ b/Source/Engine/UI/GUI/Panels/HorizontalPanel.cs
@@ -22,6 +22,8 @@ namespace FlaxEngine.GUI
             base.PerformLayoutBeforeChildren();
 
             // Pre-set height of all controls
+            if (!ControlChildSize)
+                return;
             float h = Height - _margin.Height;
             for (int i = 0; i < _children.Count; i++)
             {
@@ -47,16 +49,17 @@ namespace FlaxEngine.GUI
                 if (c.Visible)
                 {
                     var w = c.Width;
+                    var ch = ControlChildSize ? h : c.Height;
                     if (Mathf.IsZero(c.AnchorMin.X) && Mathf.IsZero(c.AnchorMax.X))
                     {
-                        c.Bounds = new Rectangle(left + _offset.X, _margin.Top + _offset.Y, w, h);
+                        c.Bounds = new Rectangle(left + _offset.X, _margin.Top + _offset.Y, w, ch);
                         left = c.Right + _spacing;
                         hasAnyLeft = true;
                     }
                     else if (Mathf.IsOne(c.AnchorMin.X) && Mathf.IsOne(c.AnchorMax.X))
                     {
                         right += w + _spacing;
-                        c.Bounds = new Rectangle(Width - right + _offset.X, _margin.Top + _offset.Y, w, h);
+                        c.Bounds = new Rectangle(Width - right + _offset.X, _margin.Top + _offset.Y, w, ch);
                         hasAnyRight = true;
                     }
                 }
diff --git a/Source/Engine/UI/GUI/Panels/PanelWithMargins.cs b/Source/Engine/UI/GUI/Panels/PanelWithMargins.cs
index 62e41bcd3..071f0ccf2 100644
--- a/Source/Engine/UI/GUI/Panels/PanelWithMargins.cs
+++ b/Source/Engine/UI/GUI/Panels/PanelWithMargins.cs
@@ -1,5 +1,7 @@
 // Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
 
+using System.ComponentModel;
+
 namespace FlaxEngine.GUI
 {
     /// <summary>
@@ -133,7 +135,7 @@ namespace FlaxEngine.GUI
         /// <summary>
         /// Gets or sets the value indicating whenever the panel size will be based on a children dimensions.
         /// </summary>
-        [EditorOrder(30), Tooltip("If checked, the panel size will be based on a children dimensions.")]
+        [EditorOrder(30), DefaultValue(true), Tooltip("If checked, the panel size will be based on a children dimensions.")]
         public bool AutoSize
         {
             get => _autoSize;
@@ -147,6 +149,12 @@ namespace FlaxEngine.GUI
             }
         }
 
+        /// <summary>
+        /// Gets or sets the value indicating whenever the panel can resize children controls (eg. auto-fit width/height).
+        /// </summary>
+        [EditorOrder(35), DefaultValue(true), Tooltip("If checked, the panel can resize children controls (eg. auto-fit width/height).")]
+        public bool ControlChildSize { get; set; } = true;
+
         /// <summary>
         /// Gets or sets the panel area margin.
         /// </summary>
diff --git a/Source/Engine/UI/GUI/Panels/VerticalPanel.cs b/Source/Engine/UI/GUI/Panels/VerticalPanel.cs
index b2fcdeae9..7a8785f4c 100644
--- a/Source/Engine/UI/GUI/Panels/VerticalPanel.cs
+++ b/Source/Engine/UI/GUI/Panels/VerticalPanel.cs
@@ -22,6 +22,8 @@ namespace FlaxEngine.GUI
             base.PerformLayoutBeforeChildren();
 
             // Pre-set width of all controls
+            if (!ControlChildSize)
+                return;
             float w = Width - _margin.Width;
             for (int i = 0; i < _children.Count; i++)
             {
@@ -47,16 +49,17 @@ namespace FlaxEngine.GUI
                 if (c.Visible)
                 {
                     var h = c.Height;
+                    var cw = ControlChildSize ? w : c.Width;
                     if (Mathf.IsZero(c.AnchorMin.Y) && Mathf.IsZero(c.AnchorMax.Y))
                     {
-                        c.Bounds = new Rectangle(_margin.Left + _offset.X, top + _offset.Y, w, h);
+                        c.Bounds = new Rectangle(_margin.Left + _offset.X, top + _offset.Y, cw, h);
                         top = c.Bottom + _spacing;
                         hasAnyTop = true;
                     }
                     else if (Mathf.IsOne(c.AnchorMin.Y) && Mathf.IsOne(c.AnchorMax.Y))
                     {
                         bottom += h + _spacing;
-                        c.Bounds = new Rectangle(_margin.Left + _offset.X, Height - bottom + _offset.Y, w, h);
+                        c.Bounds = new Rectangle(_margin.Left + _offset.X, Height - bottom + _offset.Y, cw, h);
                         hasAnyBottom = true;
                     }
                 }