diff --git a/components/tachart/demo/3d/main.lfm b/components/tachart/demo/3d/main.lfm
index 3aec3b3501..0175185daf 100644
--- a/components/tachart/demo/3d/main.lfm
+++ b/components/tachart/demo/3d/main.lfm
@@ -1,16 +1,17 @@
 object Form1: TForm1
   Left = 318
-  Height = 300
+  Height = 347
   Top = 150
   Width = 560
   Caption = 'Form1'
-  ClientHeight = 300
+  ClientHeight = 347
   ClientWidth = 560
+  OnShow = FormShow
   Position = poScreenCenter
   LCLVersion = '0.9.29'
   object Chart1: TChart
     Left = 0
-    Height = 300
+    Height = 297
     Top = 0
     Width = 560
     AxisList = <    
@@ -62,6 +63,32 @@ object Form1: TForm1
       Source = RandomChartSource1
     end
   end
+  object pnControls: TPanel
+    Left = 0
+    Height = 50
+    Top = 297
+    Width = 560
+    Align = alBottom
+    ClientHeight = 50
+    ClientWidth = 560
+    TabOrder = 1
+    object seDepth: TSpinEdit
+      Left = 52
+      Height = 21
+      Top = 7
+      Width = 74
+      OnChange = seDepthChange
+      TabOrder = 0
+    end
+    object lblDepth: TLabel
+      Left = 4
+      Height = 14
+      Top = 7
+      Width = 34
+      Caption = 'Depth:'
+      ParentColor = False
+    end
+  end
   object RandomChartSource1: TRandomChartSource
     PointsNumber = 7
     RandSeed = 545516281
diff --git a/components/tachart/demo/3d/main.pas b/components/tachart/demo/3d/main.pas
index f2f43933a8..9b0f441393 100644
--- a/components/tachart/demo/3d/main.pas
+++ b/components/tachart/demo/3d/main.pas
@@ -5,7 +5,7 @@ unit main;
 interface
 
 uses
-  Forms,
+  ExtCtrls, Forms, Spin, StdCtrls,
   TAGraph, TASeries, TASources;
 
 type
@@ -17,8 +17,13 @@ type
     Chart1BarSeries1: TBarSeries;
     Chart1BarSeries2: TBarSeries;
     Chart1LineSeries1: TLineSeries;
+    lblDepth: TLabel;
+    pnControls: TPanel;
     RandomChartSource1: TRandomChartSource;
     RandomChartSource2: TRandomChartSource;
+    seDepth: TSpinEdit;
+    procedure FormShow(Sender: TObject);
+    procedure seDepthChange(Sender: TObject);
   end;
 
 var
@@ -28,5 +33,24 @@ implementation
 
 {$R *.lfm}
 
+uses
+  Math;
+
+{ TForm1 }
+
+procedure TForm1.FormShow(Sender: TObject);
+begin
+  seDepth.Value := Chart1.Depth;
+end;
+
+procedure TForm1.seDepthChange(Sender: TObject);
+var
+  i: Integer;
+begin
+  Chart1.Depth := seDepth.Value;
+  for i := 0 to Chart1.SeriesCount - 1 do
+    Chart1.Series[i].Depth := Min(seDepth.Value, 10);
+end;
+
 end.
 
diff --git a/components/tachart/demo/3d/zdemo.lpi b/components/tachart/demo/3d/zdemo.lpi
index 2c7fd1dbcc..4f5610e25a 100644
--- a/components/tachart/demo/3d/zdemo.lpi
+++ b/components/tachart/demo/3d/zdemo.lpi
@@ -15,7 +15,7 @@
       <ResourceType Value="res"/>
     </General>
     <VersionInfo>
-      <ProjectVersion Value=""/>
+      <StringTable Comments="" CompanyName="" FileDescription="" FileVersion="0.0.0.0" InternalName="" LegalCopyright="" LegalTrademarks="" OriginalFilename="" ProductName="" ProductVersion=""/>
     </VersionInfo>
     <PublishOptions>
       <Version Value="2"/>