diff --git a/components/tachart/demo/3d/main.lfm b/components/tachart/demo/3d/main.lfm
index db48753141..d622c5ba49 100644
--- a/components/tachart/demo/3d/main.lfm
+++ b/components/tachart/demo/3d/main.lfm
@@ -8,7 +8,7 @@ object Form1: TForm1
   ClientWidth = 560
   OnShow = FormShow
   Position = poScreenCenter
-  LCLVersion = '0.9.29'
+  LCLVersion = '0.9.31'
   object Chart1: TChart
     Left = 0
     Height = 297
@@ -16,10 +16,12 @@ object Form1: TForm1
     Width = 560
     AxisList = <    
       item
+        Minors = <>
         Title.LabelFont.Orientation = 900
       end    
       item
         Alignment = calBottom
+        Minors = <>
       end>
     BackColor = clSilver
     Depth = 50
diff --git a/components/tachart/demo/3d/main.pas b/components/tachart/demo/3d/main.pas
index df7df18ccc..bc2dbf063b 100644
--- a/components/tachart/demo/3d/main.pas
+++ b/components/tachart/demo/3d/main.pas
@@ -54,11 +54,11 @@ end;
 
 procedure TForm1.seDepthChange(Sender: TObject);
 var
-  i: Integer;
+  s: TBasicChartSeries;
 begin
   Chart1.Depth := seDepth.Value;
-  for i := 0 to Chart1.SeriesCount - 1 do
-    Chart1.Series[i].Depth := Min(seDepth.Value, 10);
+  for s in Chart1.Series do
+    s.Depth := Min(seDepth.Value, 10);
 end;
 
 end.
diff --git a/components/tachart/demo/3d/zdemo.lpi b/components/tachart/demo/3d/zdemo.lpi
index 38fe142d04..146471bae7 100644
--- a/components/tachart/demo/3d/zdemo.lpi
+++ b/components/tachart/demo/3d/zdemo.lpi
@@ -1,22 +1,23 @@
 <?xml version="1.0"?>
 <CONFIG>
   <ProjectOptions>
+    <Version Value="9"/>
     <PathDelim Value="\"/>
-    <Version Value="8"/>
     <General>
       <Flags>
-        <AlwaysBuild Value="False"/>
         <LRSInOutputDirectory Value="False"/>
       </Flags>
       <SessionStorage Value="InProjectDir"/>
       <MainUnit Value="0"/>
-      <TargetFileExt Value=".exe"/>
       <Title Value="TAChart 3D look demo"/>
       <ResourceType Value="res"/>
     </General>
     <VersionInfo>
-      <StringTable Comments="" CompanyName="" FileDescription="" FileVersion="0.0.0.0" InternalName="" LegalCopyright="" LegalTrademarks="" OriginalFilename="" ProductName="" ProductVersion=""/>
+      <StringTable ProductVersion=""/>
     </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="default" Default="True"/>
+    </BuildModes>
     <PublishOptions>
       <Version Value="2"/>
       <IgnoreBinaries Value="False"/>
@@ -54,10 +55,10 @@
     </Units>
   </ProjectOptions>
   <CompilerOptions>
-    <Version Value="9"/>
+    <Version Value="10"/>
     <PathDelim Value="\"/>
     <SearchPaths>
-      <IncludeFiles Value="$(ProjOutDir)\"/>
+      <IncludeFiles Value="$(ProjOutDir)"/>
       <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
     </SearchPaths>
     <Parsing>
diff --git a/components/tachart/demo/basic/unit1.lfm b/components/tachart/demo/basic/unit1.lfm
index 5e95ddfb05..6397a2441c 100644
--- a/components/tachart/demo/basic/unit1.lfm
+++ b/components/tachart/demo/basic/unit1.lfm
@@ -17,12 +17,14 @@ object Form1: TForm1
     AxisList = <    
       item
         Grid.Color = clGray
+        Minors = <>
         Title.LabelFont.Height = -11
         Title.LabelFont.Name = 'MS Sans Serif'
       end    
       item
-        Alignment = calBottom
         Grid.Color = clGray
+        Alignment = calBottom
+        Minors = <>
         Title.LabelFont.Height = -11
         Title.LabelFont.Name = 'MS Sans Serif'
       end>
diff --git a/components/tachart/demo/basic/unit1.pas b/components/tachart/demo/basic/unit1.pas
index 862687b625..cb3e45e951 100644
--- a/components/tachart/demo/basic/unit1.pas
+++ b/components/tachart/demo/basic/unit1.pas
@@ -87,9 +87,10 @@ uses
 procedure TForm1.BringToFront(ASeries: TBasicChartSeries);
 var
   i: Integer;
+  s: TBasicChartSeries;
 begin
-  for i := 0 to Chart1.SeriesCount - 1 do
-    Chart1.Series[i].ZPosition := Ord(Chart1.Series[i] = ASeries);
+  for s in Chart1.Series do
+    s.ZPosition := Ord(s = ASeries);
 end;
 
 procedure TForm1.btnAddAreaClick(Sender: TObject);
diff --git a/components/tachart/demo/line/Main.lfm b/components/tachart/demo/line/Main.lfm
index c2af5fb93e..fcc379b2a5 100644
--- a/components/tachart/demo/line/Main.lfm
+++ b/components/tachart/demo/line/Main.lfm
@@ -29,10 +29,12 @@ object Form1: TForm1
         Width = 637
         AxisList = <        
           item
+            Minors = <>
             Title.LabelFont.Orientation = 900
           end        
           item
             Alignment = calBottom
+            Minors = <>
           end>
         Foot.Brush.Color = clBtnFace
         Foot.Font.Color = clBlue
@@ -159,10 +161,12 @@ object Form1: TForm1
         Width = 637
         AxisList = <        
           item
+            Minors = <>
             Title.LabelFont.Orientation = 900
           end        
           item
             Alignment = calBottom
+            Minors = <>
           end>
         Foot.Brush.Color = clBtnFace
         Foot.Font.Color = clBlue
@@ -210,10 +214,12 @@ object Form1: TForm1
         Width = 467
         AxisList = <        
           item
+            Minors = <>
             Title.LabelFont.Orientation = 900
           end        
           item
             Alignment = calBottom
+            Minors = <>
           end>
         AxisVisible = False
         ExpandPercentage = 5
diff --git a/components/tachart/demo/line/Main.pas b/components/tachart/demo/line/Main.pas
index dff07f2efe..783d0e2067 100644
--- a/components/tachart/demo/line/Main.pas
+++ b/components/tachart/demo/line/Main.pas
@@ -62,7 +62,11 @@ implementation
 {$R *.lfm}
 
 uses
-  LCLIntf, TATypes, TAChartUtils;
+  LCLIntf, TAChartUtils, TATypes, TAEnumerators;
+
+type
+  TLineSeriesEnum =
+    specialize TFilteredChartSeriesEnumeratorFactory<TLineSeries>;
 
 { TForm1 }
 
@@ -95,45 +99,37 @@ end;
 
 procedure TForm1.cb3DChange(Sender: TObject);
 var
-  i: Integer;
+  ls: TLineSeries;
 begin
-  for i := 0 to chFast.SeriesCount - 1 do
-    if chFast.Series[i] is TLineSeries then
-      with chFast.Series[i] as TLineSeries do
-        Depth := 15 - Depth;
+  for ls in TLineSeriesEnum.Create(chFast) do
+    ls.Depth := 15 - ls.Depth;
 end;
 
 procedure TForm1.cbLineTypeChange(Sender: TObject);
 var
-  i: Integer;
+  ls: TLineSeries;
 begin
-  for i := 0 to chFast.SeriesCount - 1 do
-    if chFast.Series[i] is TLineSeries then
-      with chFast.Series[i] as TLineSeries do
-        LineType := TLineType(cbLineType.ItemIndex);
+  for ls in TLineSeriesEnum.Create(chFast) do
+    ls.LineType := TLineType(cbLineType.ItemIndex);
 end;
 
 procedure TForm1.cbRotatedChange(Sender: TObject);
 var
-  i: Integer;
+  ls: TLineSeries;
 begin
-  for i := 0 to chFast.SeriesCount - 1 do
-    if chFast.Series[i] is TLineSeries then
-      with chFast.Series[i] as TLineSeries do begin
-        AxisIndexY := Ord(cbRotated.Checked);
-        AxisIndexX := 1 - AxisIndexY;
-      end;
+  for ls in TLineSeriesEnum.Create(chFast) do begin
+    ls.AxisIndexY := Ord(cbRotated.Checked);
+    ls.AxisIndexX := 1 - ls.AxisIndexY;
+  end;
 end;
 
 procedure TForm1.cbSortedChange(Sender: TObject);
 var
-  i: Integer;
+  ls: TLineSeries;
 begin
-  for i := 0 to chFast.SeriesCount - 1 do
-    if chFast.Series[i] is TLineSeries then
-      with chFast.Series[i] as TLineSeries do
-        if Source is TListChartSource then
-          ListSource.Sorted := cbSorted.Checked;
+  for ls in TLineSeriesEnum.Create(chFast) do
+    if ls.Source is TListChartSource then
+      ls.ListSource.Sorted := cbSorted.Checked;
 end;
 
 procedure TForm1.FormCreate(Sender: TObject);
@@ -142,7 +138,7 @@ var
   ls: TLineSeries;
   s: ShortString;
 begin
-  for st := Low(st) to High(st) do begin
+  for st in TSeriesPointerStyle do begin
     ls := TLineSeries.Create(Self);
     ls.LinePen.Color := clGreen;
     ls.ShowPoints := true;
@@ -161,10 +157,10 @@ end;
 
 procedure TForm1.sePointerSizeChange(Sender: TObject);
 var
-  i: Integer;
+  ls: TLineSeries;
 begin
-  for i := 0 to chPointers.SeriesCount - 1 do
-    with (chPointers.Series[i] as TLineSeries).Pointer do begin
+  for ls in TLineSeriesEnum.Create(chPointers) do
+    with ls.Pointer do begin
       HorizSize := sePointerSize.Value;
       VertSize := sePointerSize.Value;
     end;
diff --git a/components/tachart/taenumerators.pas b/components/tachart/taenumerators.pas
index beb74d9ce9..99609e7e5b 100644
--- a/components/tachart/taenumerators.pas
+++ b/components/tachart/taenumerators.pas
@@ -30,7 +30,7 @@ type
     FChart: TChart;
     FFilter: TBooleanDynArray;
   public
-    constructor Create(AChart: TChart; AFilter: TBooleanDynArray);
+    constructor Create(AChart: TChart; AFilter: TBooleanDynArray = nil);
     property Chart: TChart read FChart;
     property Filter: TBooleanDynArray read FFilter;
   end;