diff --git a/Import/GacUI.cpp b/Import/GacUI.cpp
index fdf69843..55b9bcf5 100644
--- a/Import/GacUI.cpp
+++ b/Import/GacUI.cpp
@@ -33496,116 +33496,85 @@ GuiStackComposition
 
 			void GuiStackComposition::UpdateStackItemBounds()
 			{
-				if(stackItemBounds.Count()!=stackItems.Count())
+				if (stackItemBounds.Count() != stackItems.Count())
 				{
 					stackItemBounds.Resize(stackItems.Count());
 				}
 
-				stackItemTotalSize=Size(0, 0);
-				vint x=extraMargin.left?extraMargin.left:0;
-				vint y=extraMargin.top?extraMargin.top:0;
-				switch(direction)
+				stackItemTotalSize = Size(0, 0);
+				Point offset;
+				for (vint i = 0; i < stackItems.Count(); i++)
 				{
-				case GuiStackComposition::Horizontal:
-					{
-						for(vint i=0;i<stackItems.Count();i++)
-						{
-							Size itemSize=stackItems[i]->GetMinSize();
-							if(i>0) stackItemTotalSize.x+=padding;
-							if(stackItemTotalSize.y<itemSize.y) stackItemTotalSize.y=itemSize.y;
-							stackItemBounds[i]=Rect(Point(stackItemTotalSize.x+x, y), Size(itemSize.x, 0));
-							stackItemTotalSize.x+=itemSize.x;
-						}
-					}
-					break;
-				case GuiStackComposition::Vertical:
-					{
-						for(vint i=0;i<stackItems.Count();i++)
-						{
-							Size itemSize=stackItems[i]->GetMinSize();
-							if(i>0) stackItemTotalSize.y+=padding;
-							if(stackItemTotalSize.x<itemSize.x) stackItemTotalSize.x=itemSize.x;
-							stackItemBounds[i]=Rect(Point(x, stackItemTotalSize.y+y), Size(0, itemSize.y));
-							stackItemTotalSize.y+=itemSize.y;
-						}
-					}
-					break;
-				}
+					vint offsetX = 0;
+					vint offsetY = 0;
+					Size itemSize = stackItems[i]->GetMinSize();
+					stackItemBounds[i] = Rect(offset, itemSize);
 
-				FixStackItemSizes();
+#define ACCUMULATE(U, V)										\
+					{											\
+						if (stackItemTotalSize.V < itemSize.V)	\
+						{										\
+							stackItemTotalSize.V = itemSize.V;	\
+						}										\
+						if (i > 0)								\
+						{										\
+							stackItemTotalSize.U += padding;	\
+						}										\
+						stackItemTotalSize.U += itemSize.U;		\
+					}											\
+
+					switch (direction)
+					{
+					case GuiStackComposition::Horizontal:
+					case GuiStackComposition::ReversedHorizontal:
+						ACCUMULATE(x, y)
+						break;
+					case GuiStackComposition::Vertical:
+					case GuiStackComposition::ReversedVertical:
+						ACCUMULATE(y, x)
+						break;
+					}
+
+#undef ACCUMULATE
+					offset.x += itemSize.x + padding;
+					offset.y += itemSize.y + padding;
+				}
+				EnsureStackItemVisible();
 			}
 
-			void GuiStackComposition::FixStackItemSizes()
+			void GuiStackComposition::EnsureStackItemVisible()
 			{
-				switch(direction)
+#define ADJUSTMENT(U, V)															\
+				if (itemBounds.U() <= 0)											\
+				{																	\
+					adjustment -= itemBounds.U();									\
+				}																	\
+				else																\
+				{																	\
+					vint overflow = itemBounds.V() - previousBounds.V();			\
+					if (overflow > 0)												\
+					{																\
+						adjustment -= overflow;										\
+					}																\
+				}																	\
+
+				if (ensuringVisibleStackItem)
 				{
-				case Horizontal:
-					{
-						vint y=0;
-						if(extraMargin.top>0) y+=extraMargin.top;
-						if(extraMargin.bottom>0) y+=extraMargin.bottom;
-
-						for(vint i=0;i<stackItemBounds.Count();i++)
-						{
-							stackItemBounds[i].y2=stackItemBounds[i].y1+previousBounds.Height()-y;
-						}
-					}
-					break;
-				case Vertical:
-					{
-						vint x=0;
-						if(extraMargin.left>0) x+=extraMargin.left;
-						if(extraMargin.right>0) x+=extraMargin.right;
-
-						for(vint i=0;i<stackItemBounds.Count();i++)
-						{
-							stackItemBounds[i].x2=stackItemBounds[i].x1+previousBounds.Width()-x;
-						}
-					}
-					break;
-				}
-
-				vint index=stackItems.IndexOf(ensuringVisibleStackItem);
-				if(index!=-1)
-				{
-					Rect itemBounds=stackItemBounds[index];
-					Size size=previousBounds.GetSize();
-					Size offset;
-					switch(direction)
+					Rect itemBounds = ensuringVisibleStackItem->GetBounds();
+					switch (direction)
 					{
 					case Horizontal:
-						{
-							if(itemBounds.Left()<=0)
-							{
-								offset.x=-itemBounds.Left();
-							}
-							else if(itemBounds.Right()>=size.x)
-							{
-								offset.x=size.x-itemBounds.Right();
-							}
-						}
+					case ReversedHorizontal:
+						ADJUSTMENT(Left, Right)
 						break;
 					case Vertical:
-						{
-							if(itemBounds.Top()<=0)
-							{
-								offset.y=-itemBounds.Top();
-							}
-							else if(itemBounds.Bottom()>=size.y)
-							{
-								offset.y=size.y-itemBounds.Bottom();
-							}
-						}
+					case ReversedVertical:
+						ADJUSTMENT(Top, Bottom)
 						break;
 					}
-					for(vint i=0;i<stackItemBounds.Count();i++)
-					{
-						stackItemBounds[i].x1+=offset.x;
-						stackItemBounds[i].y1+=offset.y;
-						stackItemBounds[i].x2+=offset.x;
-						stackItemBounds[i].y2+=offset.y;
-					}
 				}
+
+#undef ADJUSTMENT
 			}
 
 			void GuiStackComposition::OnBoundsChanged(GuiGraphicsComposition* sender, GuiEventArgs& arguments)
@@ -33616,10 +33585,11 @@ GuiStackComposition
 			void GuiStackComposition::OnChildInserted(GuiGraphicsComposition* child)
 			{
 				GuiBoundsComposition::OnChildInserted(child);
-				GuiStackItemComposition* item=dynamic_cast<GuiStackItemComposition*>(child);
-				if(item && !stackItems.Contains(item))
+				GuiStackItemComposition* item = dynamic_cast<GuiStackItemComposition*>(child);
+				if (item && !stackItems.Contains(item))
 				{
 					stackItems.Add(item);
+					UpdateStackItemBounds();
 				}
 			}
 
@@ -33630,18 +33600,15 @@ GuiStackComposition
 				if(item)
 				{
 					stackItems.Remove(item);
-					if(item==ensuringVisibleStackItem)
+					if (item == ensuringVisibleStackItem)
 					{
-						ensuringVisibleStackItem=0;
-						UpdateStackItemBounds();
+						ensuringVisibleStackItem = 0;
 					}
+					UpdateStackItemBounds();
 				}
 			}
 
 			GuiStackComposition::GuiStackComposition()
-				:direction(Horizontal)
-				,padding(0)
-				,ensuringVisibleStackItem(0)
 			{
 				BoundsChanged.AttachMethod(this, &GuiStackComposition::OnBoundsChanged);
 			}
@@ -33676,7 +33643,8 @@ GuiStackComposition
 
 			void GuiStackComposition::SetDirection(Direction value)
 			{
-				direction=value;
+				direction = value;
+				EnsureStackItemVisible();
 			}
 
 			vint GuiStackComposition::GetPadding()
@@ -33686,38 +33654,45 @@ GuiStackComposition
 
 			void GuiStackComposition::SetPadding(vint value)
 			{
-				padding=value;
+				padding = value;
 			}
 			
 			Size GuiStackComposition::GetMinPreferredClientSize()
 			{
-				Size minSize=GuiBoundsComposition::GetMinPreferredClientSize();
+				Size minSize = GuiBoundsComposition::GetMinPreferredClientSize();
 				UpdateStackItemBounds();
-				if(GetMinSizeLimitation()==GuiGraphicsComposition::LimitToElementAndChildren)
+				if (GetMinSizeLimitation() == GuiGraphicsComposition::LimitToElementAndChildren)
 				{
-					if (!ensuringVisibleStackItem || direction == Vertical)
+					if (!ensuringVisibleStackItem || direction == Vertical || direction == ReversedVertical)
 					{
-						if(minSize.x<stackItemTotalSize.x) minSize.x=stackItemTotalSize.x;
+						if (minSize.x < stackItemTotalSize.x)
+						{
+							minSize.x = stackItemTotalSize.x;
+						}
 					}
-					if (!ensuringVisibleStackItem || direction == Horizontal)
-					{
-						if(minSize.y<stackItemTotalSize.y) minSize.y=stackItemTotalSize.y;
+					if (!ensuringVisibleStackItem || direction == Horizontal || direction == ReversedHorizontal)
+					{	
+						if (minSize.y < stackItemTotalSize.y)
+						{
+							minSize.y = stackItemTotalSize.y;
+						}
 					}
 				}
-				vint x=0;
-				vint y=0;
-				if(extraMargin.left>0) x+=extraMargin.left;
-				if(extraMargin.right>0) x+=extraMargin.right;
-				if(extraMargin.top>0) y+=extraMargin.top;
-				if(extraMargin.bottom>0) y+=extraMargin.bottom;
-				return minSize+Size(x, y);
+
+				vint x = 0;
+				vint y = 0;
+				if (extraMargin.left > 0) x += extraMargin.left;
+				if (extraMargin.right > 0) x += extraMargin.right;
+				if (extraMargin.top > 0) y += extraMargin.top;
+				if (extraMargin.bottom > 0) y += extraMargin.bottom;
+				return minSize + Size(x, y);
 			}
 
 			Rect GuiStackComposition::GetBounds()
 			{
-				Rect bounds=GuiBoundsComposition::GetBounds();
-				previousBounds=bounds;
-				FixStackItemSizes();
+				Rect bounds = GuiBoundsComposition::GetBounds();
+				previousBounds = bounds;
+				EnsureStackItemVisible();
 				return bounds;
 			}
 
@@ -33733,36 +33708,36 @@ GuiStackComposition
 
 			bool GuiStackComposition::IsStackItemClipped()
 			{
-				Rect clientArea=GetClientArea();
-				for(vint i=0;i<stackItems.Count();i++)
+				Rect clientArea = GetClientArea();
+				switch(direction)
 				{
-					Rect stackItemBounds=stackItems[i]->GetBounds();
-					switch(direction)
+				case Horizontal:
+				case ReversedHorizontal:
 					{
-					case Horizontal:
-						{
-							if(stackItemBounds.Left()<0 || stackItemBounds.Right()>=clientArea.Width())
-							{
-								return true;
-							}
-						}
-						break;
-					case Vertical:
-						{
-							if(stackItemBounds.Top()<0 || stackItemBounds.Bottom()>=clientArea.Height())
-							{
-								return true;
-							}
-						}
-						break;
+						vint width = stackItemTotalSize.x
+							+ (extraMargin.left > 0 ? extraMargin.left : 0)
+							+ (extraMargin.right > 0 ? extraMargin.right : 0)
+							;
+						return width > clientArea.Width();
 					}
+					break;
+				case Vertical:
+				case ReversedVertical:
+					{
+						vint height = stackItemTotalSize.y
+							+ (extraMargin.top > 0 ? extraMargin.top : 0)
+							+ (extraMargin.bottom > 0 ? extraMargin.bottom : 0)
+							;
+						return height > clientArea.Height();
+					}
+					break;
 				}
 				return false;
 			}
 
 			bool GuiStackComposition::EnsureVisible(vint index)
 			{
-				if(0<=index && index<stackItems.Count())
+				if (0 <= index && index < stackItems.Count())
 				{
 					ensuringVisibleStackItem = stackItems[index];
 				}
@@ -33770,7 +33745,7 @@ GuiStackComposition
 				{
 					ensuringVisibleStackItem = 0;
 				}
-				UpdateStackItemBounds();
+				EnsureStackItemVisible();
 				return ensuringVisibleStackItem != 0;
 			}
 
@@ -33781,7 +33756,7 @@ GuiStackItemComposition
 			void GuiStackItemComposition::OnParentChanged(GuiGraphicsComposition* oldParent, GuiGraphicsComposition* newParent)
 			{
 				GuiGraphicsSite::OnParentChanged(oldParent, newParent);
-				stackParent=newParent==0?0:dynamic_cast<GuiStackComposition*>(newParent);
+				stackParent = newParent == 0 ? 0 : dynamic_cast<GuiStackComposition*>(newParent);
 			}
 
 			Size GuiStackItemComposition::GetMinSize()
@@ -33806,30 +33781,65 @@ GuiStackItemComposition
 
 			Rect GuiStackItemComposition::GetBounds()
 			{
-				Rect result=bounds;
+				Rect result = bounds;
 				if(stackParent)
 				{
-					vint index=stackParent->stackItems.IndexOf(this);
-					if(index!=-1)
+					vint index = stackParent->stackItems.IndexOf(this);
+					if (index != -1)
 					{
-						if(stackParent->stackItemBounds.Count()!=stackParent->stackItems.Count())
-						{
-							stackParent->UpdateStackItemBounds();
-						}
-						result=stackParent->stackItemBounds[index];
+						result = stackParent->stackItemBounds[index];
 					}
+
+					Rect parentBounds = stackParent->previousBounds;
+					Margin margin = stackParent->extraMargin;
+					if (margin.left <= 0) margin.left = 0;
+					if (margin.top <= 0) margin.top = 0;
+					if (margin.right <= 0) margin.right = 0;
+					if (margin.bottom <= 0) margin.bottom = 0;
+
+					auto x = result.Left();
+					auto y = result.Top();
+					auto w = result.Width();
+					auto h = result.Height();
+
+					switch (stackParent->direction)
+					{
+					case GuiStackComposition::Horizontal:
+						x += margin.left + stackParent->adjustment;
+						y = margin.top;
+						h = parentBounds.Height() - margin.top - margin.bottom;
+						break;
+					case GuiStackComposition::ReversedHorizontal:
+						x = parentBounds.Width() - margin.right - x - w + stackParent->adjustment;
+						y = margin.top;
+						h = parentBounds.Height() - margin.top - margin.bottom;
+						break;
+					case GuiStackComposition::Vertical:
+						x = margin.left;
+						y += margin.top + stackParent->adjustment;
+						w = parentBounds.Width() - margin.left - margin.right;
+						break;
+					case GuiStackComposition::ReversedVertical:
+						x = margin.left;
+						y = parentBounds.Height() - margin.bottom - y - h + stackParent->adjustment;
+						w = parentBounds.Width() - margin.left - margin.right;
+						break;
+					}
+
+					result = Rect(
+						x - extraMargin.left,
+						y - extraMargin.top,
+						x + w + extraMargin.right,
+						y + h + extraMargin.bottom
+						);
 				}
-				result.x1-=extraMargin.left;
-				result.y1-=extraMargin.top;
-				result.x2+=extraMargin.right;
-				result.y2+=extraMargin.bottom;
 				UpdatePreviousBounds(result);
 				return result;
 			}
 
 			void GuiStackItemComposition::SetBounds(Rect value)
 			{
-				bounds=value;
+				bounds = value;
 			}
 
 			Margin GuiStackItemComposition::GetExtraMargin()
@@ -33839,7 +33849,7 @@ GuiStackItemComposition
 
 			void GuiStackItemComposition::SetExtraMargin(Margin value)
 			{
-				extraMargin=value;
+				extraMargin = value;
 			}
 		}
 	}
diff --git a/Import/GacUI.h b/Import/GacUI.h
index 9119e333..007be29f 100644
--- a/Import/GacUI.h
+++ b/Import/GacUI.h
@@ -6693,23 +6693,30 @@ Stack Compositions
 				/// <summary>Stack item layout direction.</summary>
 				enum Direction
 				{
-					/// <summary>Stack items is layouted horizontally.</summary>
+					/// <summary>Stack items is layouted from left to right.</summary>
 					Horizontal,
-					/// <summary>Stack items is layouted vertically.</summary>
+					/// <summary>Stack items is layouted from top to bottom.</summary>
 					Vertical,
+					/// <summary>Stack items is layouted from right to left.</summary>
+					ReversedHorizontal,
+					/// <summary>Stack items is layouted from bottom to top.</summary>
+					ReversedVertical,
 				};
 			protected:
-				Direction							direction;
+				Direction							direction = Horizontal;
 				ItemCompositionList					stackItems;
+				GuiStackItemComposition*			ensuringVisibleStackItem = nullptr;
+				
+				vint								padding = 0;
+				vint								adjustment = 0;
+				Margin								extraMargin;
+
 				collections::Array<Rect>			stackItemBounds;
 				Size								stackItemTotalSize;
-				vint								padding;
 				Rect								previousBounds;
-				Margin								extraMargin;
-				GuiStackItemComposition*			ensuringVisibleStackItem;
 
 				void								UpdateStackItemBounds();
-				void								FixStackItemSizes();
+				void								EnsureStackItemVisible();
 				void								OnBoundsChanged(GuiGraphicsComposition* sender, GuiEventArgs& arguments);
 				void								OnChildInserted(GuiGraphicsComposition* child)override;
 				void								OnChildRemoved(GuiGraphicsComposition* child)override;
diff --git a/Import/GacUIReflection.cpp b/Import/GacUIReflection.cpp
index ac746e24..89ec0c6f 100644
--- a/Import/GacUIReflection.cpp
+++ b/Import/GacUIReflection.cpp
@@ -6065,7 +6065,7 @@ Module
 							{
 								auto fragment = MakePtr<WfModuleUsingNameFragment>();
 								item->fragments.Add(fragment);
-								fragment->name.value = WString(wildcard, vint(end - wildcard - 1));
+								fragment->name.value = WString(wildcard + 1, vint(end - wildcard - 1));
 							}
 						}
 						else if (begin < end)
@@ -6963,6 +6963,8 @@ Workflow_GetSharedManager
 				context->instance->Accept(&visitor);
 				rootTypeDescriptor = visitor.rootTypeDescriptor;
 			}
+
+			if (errors.Count() == 0)
 			{
 				WorkflowCompileVisitor visitor(context, typeInfos, errors);
 				context->instance->Accept(&visitor);
@@ -10278,6 +10280,8 @@ Type Declaration
 				ENUM_ITEM_NAMESPACE(GuiStackComposition)
 				ENUM_NAMESPACE_ITEM(Horizontal)
 				ENUM_NAMESPACE_ITEM(Vertical)
+				ENUM_NAMESPACE_ITEM(ReversedHorizontal)
+				ENUM_NAMESPACE_ITEM(ReversedVertical)
 			END_ENUM_ITEM(GuiStackComposition::Direction)
 
 			BEGIN_CLASS_MEMBER(GuiStackItemComposition)
diff --git a/Tools/GacGen.exe b/Tools/GacGen.exe
index 315c27c5..3588e51d 100644
Binary files a/Tools/GacGen.exe and b/Tools/GacGen.exe differ
diff --git a/Tools/ParserGen.exe b/Tools/ParserGen.exe
index bd972010..f2282d54 100644
Binary files a/Tools/ParserGen.exe and b/Tools/ParserGen.exe differ
diff --git a/Tutorial/GacUI_HelloWorlds/UIRes/MVVM.bin b/Tutorial/GacUI_HelloWorlds/UIRes/MVVM.bin
index 93a871f5..05b5ca35 100644
Binary files a/Tutorial/GacUI_HelloWorlds/UIRes/MVVM.bin and b/Tutorial/GacUI_HelloWorlds/UIRes/MVVM.bin differ
diff --git a/Tutorial/GacUI_Layout/Alignment/UI/Resource.xml b/Tutorial/GacUI_Layout/Alignment/UI/Resource.xml
index 9c47c43d..be2ec17e 100644
--- a/Tutorial/GacUI_Layout/Alignment/UI/Resource.xml
+++ b/Tutorial/GacUI_Layout/Alignment/UI/Resource.xml
@@ -17,6 +17,16 @@
       <Instance ref.CodeBehind="false" ref.Class="demo::MainWindow">
         <Window Text="Alignment" ClientSize="x:480 y:320">
           <att.BoundsComposition-set PreferredMinSize="x:480 y:320"/>
+          <att.ContainerComposition-set InternalMargin="left:5 top:5 right:5 bottom:5"/>
+          <Button Text="Button">
+            <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:-1 bottom:-1" PreferredMinSize="x:100 y:30"/>
+          </Button>
+          <Button Text="Button">
+            <att.BoundsComposition-set AlignmentToParent="left:-1 top:0 right:0 bottom:-1" PreferredMinSize="x:100 y:30"/>
+          </Button>
+          <Button Text="Button">
+            <att.BoundsComposition-set AlignmentToParent="left:0 top:-1 right:0 bottom:0" PreferredMinSize="x:100 y:30"/>
+          </Button>
         </Window>
       </Instance>
     </Instance>
diff --git a/Tutorial/GacUI_Layout/Stack/UI/Resource.xml b/Tutorial/GacUI_Layout/Stack/UI/Resource.xml
index 87c2537d..2b0b0014 100644
--- a/Tutorial/GacUI_Layout/Stack/UI/Resource.xml
+++ b/Tutorial/GacUI_Layout/Stack/UI/Resource.xml
@@ -13,10 +13,94 @@
     </Folder>
   </Folder>
   <Folder name="MainWindow">
+    <InstanceStyle name="MainWindowStyle">
+      <Styles>
+        <Style ref.Path="//RadioButton">
+          <ev.SelectedChanged-eval>
+            <![CDATA[
+            {
+              var radioButton = cast (SelectableButton*) sender.RelatedControl;
+              if (radioButton.Selected)
+              {
+                stackLayout.Direction = cast (Stack::Direction) radioButton.Text;
+              }
+            }
+          ]]>
+          </ev.SelectedChanged-eval>
+        </Style>
+        <Style ref.Path="//StackItem/Button">
+          <ev.Clicked-eval>
+            <![CDATA[
+            {
+              for (item in stackLayout.StackItems)
+              {
+                item.ExtraMargin = cast Margin "";
+              }
+            
+              var item = cast (StackItem*) sender.Parent;
+              item.ExtraMargin = cast Margin "left:10 top:10 right:10 bottom:10";
+              stackLayout.MoveChild(item, stackLayout.StackItems.Count - 1);
+            }
+          ]]>
+          </ev.Clicked-eval>
+        </Style>
+      </Styles>
+    </InstanceStyle>
     <Instance name="MainWindowResource">
-      <Instance ref.CodeBehind="false" ref.Class="demo::MainWindow">
+      <Instance ref.CodeBehind="false" ref.Class="demo::MainWindow" xmlns:x="presentation::controls::GuiSelectableButton::*" ref.Styles="res://MainWindow/MainWindowStyle">
         <Window Text="Stack" ClientSize="x:480 y:320">
+          <x:MutexGroupController ref.Name="groupStackDirection"/>
           <att.BoundsComposition-set PreferredMinSize="x:480 y:320"/>
+          <Table AlignmentToParent="left:5 top:5 right:5 bottom:5" CellPadding="5">
+            <att.Rows>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+            </att.Rows>
+            <att.Columns>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+            </att.Columns>
+
+            <Cell Site="row:0 column:0">
+              <RadioButton Text="Horizontal" GroupController-ref="groupStackDirection" Selected="true"/>
+            </Cell>
+            <Cell Site="row:1 column:0">
+              <RadioButton Text="Vertical" GroupController-ref="groupStackDirection"/>
+            </Cell>
+            <Cell Site="row:2 column:0">
+              <RadioButton Text="ReversedHorizontal" GroupController-ref="groupStackDirection"/>
+            </Cell>
+            <Cell Site="row:3 column:0">
+              <RadioButton Text="ReversedVertical" GroupController-ref="groupStackDirection"/>
+            </Cell>
+
+            <Cell Site="row:4 column:0">
+              <Label Text="Click any button in stack items to enlarge it."/>
+            </Cell>
+
+            <Cell Site="row:5 column:0">
+              <Stack ref.Name="stackLayout" AlignmentToParent="left:0 top:0 right:0 bottom:0" Padding="5" ExtraMargin="left:10 top:10 right:10 bottom:10">
+                <StackItem>
+                  <Button Text="Large">
+                    <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0" PreferredMinSize="x:100 y:100"/>
+                  </Button>
+                </StackItem>
+                <StackItem>
+                  <Button Text="Medium">
+                    <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0" PreferredMinSize="x:75 y:75"/>
+                  </Button>
+                </StackItem>
+                <StackItem>
+                  <Button Text="Small">
+                    <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0" PreferredMinSize="x:50 y:50"/>
+                  </Button>
+                </StackItem>
+              </Stack>
+            </Cell>
+          </Table>
         </Window>
       </Instance>
     </Instance>
diff --git a/Tutorial/GacUI_Layout/Stack/UI/Source/DemoPartialClasses.h b/Tutorial/GacUI_Layout/Stack/UI/Source/DemoPartialClasses.h
index 8088a85f..d0a9eab7 100644
--- a/Tutorial/GacUI_Layout/Stack/UI/Source/DemoPartialClasses.h
+++ b/Tutorial/GacUI_Layout/Stack/UI/Source/DemoPartialClasses.h
@@ -23,11 +23,15 @@ namespace demo
 		friend struct vl::reflection::description::CustomTypeDescriptorSelector<TImpl>;
 	private:
 	protected:
+		vl::presentation::controls::GuiSelectableButton::MutexGroupController* groupStackDirection;
+		vl::presentation::compositions::GuiStackComposition* stackLayout;
 
 		void InitializeComponents()
 		{
 			if (InitializeFromResource())
 			{
+				GUI_INSTANCE_REFERENCE(groupStackDirection);
+				GUI_INSTANCE_REFERENCE(stackLayout);
 			}
 			else
 			{
@@ -37,6 +41,8 @@ namespace demo
 		MainWindow_()
 			:vl::presentation::GuiInstancePartialClass<vl::presentation::controls::GuiWindow>(L"demo::MainWindow")
 			,vl::presentation::controls::GuiWindow(vl::presentation::theme::GetCurrentTheme()->CreateWindowStyle())
+			,groupStackDirection(0)
+			,stackLayout(0)
 		{
 		}
 	};
diff --git a/Tutorial/GacUI_Layout/Table/UI/Resource.xml b/Tutorial/GacUI_Layout/Table/UI/Resource.xml
index 06536bbc..49ae52fe 100644
--- a/Tutorial/GacUI_Layout/Table/UI/Resource.xml
+++ b/Tutorial/GacUI_Layout/Table/UI/Resource.xml
@@ -17,6 +17,83 @@
       <Instance ref.CodeBehind="false" ref.Class="demo::MainWindow">
         <Window Text="Table" ClientSize="x:480 y:320">
           <att.BoundsComposition-set PreferredMinSize="x:480 y:320"/>
+          <Table AlignmentToParent="left:5 top:5 right:5 bottom:5" CellPadding="5" MinSizeLimitation="LimitToElementAndChildren">
+            <att.Rows>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Absolute absolute:20</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+            </att.Rows>
+            <att.Columns>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+            </att.Columns>
+
+            <Cell Site="row:0 column:0 columnSpan:3">
+              <SolidLabel Font="fontFamily:{Lucida Calligraphy} size:96" HorizontalAlignment="Center" VerticalAlignment="Center" Text="GacUI"/>
+            </Cell>
+
+            <Cell Site="row:2 column:0">
+              <Label Text="User Name:"/>
+            </Cell>
+            <Cell Site="row:2 column:1">
+              <SinglelineTextBox>
+                <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
+              </SinglelineTextBox>
+            </Cell>
+            <Cell Site="row:2 column:2">
+              <Button Text="Forget User Name ...">
+                <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
+              </Button>
+            </Cell>
+
+            <Cell Site="row:3 column:0">
+              <Label Text="Password:"/>
+            </Cell>
+            <Cell Site="row:3 column:1">
+              <SinglelineTextBox PasswordChar="*">
+                <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
+              </SinglelineTextBox>
+            </Cell>
+            <Cell Site="row:3 column:2">
+              <Button Text="Forget Password ...">
+                <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
+              </Button>
+            </Cell>
+
+            <Cell Site="row:5 column:0 columnSpan:3">
+              <Table AlignmentToParent="left:0 top:0 right:0 bottom:0" MinSizeLimitation="LimitToElementAndChildren">
+                <att.Rows>
+                  <CellOption>composeType:MinSize</CellOption>
+                </att.Rows>
+                <att.Columns>
+                  <CellOption>composeType:MinSize</CellOption>
+                  <CellOption>composeType:MinSize</CellOption>
+                  <CellOption>composeType:Percentage percentage:1.0</CellOption>
+                  <CellOption>composeType:MinSize</CellOption>
+                </att.Columns>
+
+                <Cell Site="row:0 column:0" InternalMargin="right:10">
+                  <Button Text="Sign Up ...">
+                    <att.BoundsComposition-set PreferredMinSize="x:100 y:30"/>
+                  </Button>
+                </Cell>
+                <Cell Site="row:0 column:1">
+                  <Button Text="Log In">
+                    <att.BoundsComposition-set PreferredMinSize="x:100 y:30"/>
+                  </Button>
+                </Cell>
+                <Cell Site="row:0 column:3">
+                  <Button Text="Close">
+                    <att.BoundsComposition-set PreferredMinSize="x:100 y:30"/>
+                  </Button>
+                </Cell>
+              </Table>
+            </Cell>
+          </Table>
         </Window>
       </Instance>
     </Instance>
diff --git a/Tutorial/GacUI_Layout/UIRes/Alignment.bin b/Tutorial/GacUI_Layout/UIRes/Alignment.bin
index 8ad771b2..c8949a4c 100644
Binary files a/Tutorial/GacUI_Layout/UIRes/Alignment.bin and b/Tutorial/GacUI_Layout/UIRes/Alignment.bin differ
diff --git a/Tutorial/GacUI_Layout/UIRes/Stack.bin b/Tutorial/GacUI_Layout/UIRes/Stack.bin
index 58ac5d80..6d7d20f6 100644
Binary files a/Tutorial/GacUI_Layout/UIRes/Stack.bin and b/Tutorial/GacUI_Layout/UIRes/Stack.bin differ
diff --git a/Tutorial/GacUI_Layout/UIRes/Table.bin b/Tutorial/GacUI_Layout/UIRes/Table.bin
index f0f877b0..b5fc8a35 100644
Binary files a/Tutorial/GacUI_Layout/UIRes/Table.bin and b/Tutorial/GacUI_Layout/UIRes/Table.bin differ