diff --git a/Import/GacUI.cpp b/Import/GacUI.cpp
index d3dadbcf..46fe83cb 100644
--- a/Import/GacUI.cpp
+++ b/Import/GacUI.cpp
@@ -2590,8 +2590,8 @@ GuiDatePicker
 				, nestedAlt(_nestedAlt)
 			{
 				commandExecutor = new CommandExecutor(this);
-				SetDateLocale(Locale::UserDefault());
 				SetDate(DateTime::LocalTime());
+				SetDateLocale(Locale::UserDefault());
 				SetAltComposition(boundsComposition);
 				SetAltControl(this, false);
 
@@ -3616,7 +3616,7 @@ GuiControlHost
 
 			GuiControl* GuiControlHost::GetTooltipOwner(Point location)
 			{
-				GuiGraphicsComposition* composition=this->GetBoundsComposition()->FindComposition(location, false);
+				GuiGraphicsComposition* composition=this->GetBoundsComposition()->FindComposition(location, true);
 				if(composition)
 				{
 					GuiControl* control=composition->GetRelatedControl();
@@ -7277,10 +7277,12 @@ DefaultDataGridItemTemplate
 					SelectedChanged.AttachMethod(this, &DefaultDataGridItemTemplate::OnSelectedChanged);
 					FontChanged.AttachMethod(this, &DefaultDataGridItemTemplate::OnFontChanged);
 					ContextChanged.AttachMethod(this, &DefaultDataGridItemTemplate::OnContextChanged);
+					VisuallyEnabledChanged.AttachMethod(this, &DefaultDataGridItemTemplate::OnVisuallyEnabledChanged);
 
 					SelectedChanged.Execute(compositions::GuiEventArgs(this));
 					FontChanged.Execute(compositions::GuiEventArgs(this));
 					ContextChanged.Execute(compositions::GuiEventArgs(this));
+					VisuallyEnabledChanged.Execute(compositions::GuiEventArgs(this));
 				}
 
 				void DefaultDataGridItemTemplate::OnSelectedChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
@@ -7315,6 +7317,18 @@ DefaultDataGridItemTemplate
 					}
 				}
 
+				void DefaultDataGridItemTemplate::OnVisuallyEnabledChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
+				{
+					FOREACH(Ptr<IDataVisualizer>, visualizer, dataVisualizers)
+					{
+						visualizer->GetTemplate()->SetVisuallyEnabled(GetVisuallyEnabled());
+					}
+					if (currentEditor)
+					{
+						currentEditor->GetTemplate()->SetVisuallyEnabled(GetVisuallyEnabled());
+					}
+				}
+
 				DefaultDataGridItemTemplate::DefaultDataGridItemTemplate()
 				{
 				}
@@ -31787,7 +31801,7 @@ GuiGraphicsHost
 				NativeRect clientBounds = hostRecord.nativeWindow->GetClientBoundsInScreen();
 				NativePoint clientLocation(location.x + bounds.x1 - clientBounds.x1, location.y + bounds.y1 - clientBounds.y1);
 				auto point = hostRecord.nativeWindow->Convert(clientLocation);
-				GuiGraphicsComposition* hitComposition = windowComposition->FindComposition(point, false);
+				GuiGraphicsComposition* hitComposition = windowComposition->FindComposition(point, true);
 				while (hitComposition)
 				{
 					INativeWindowListener::HitTestResult result = hitComposition->GetAssociatedHitTestResult();
diff --git a/Import/GacUI.h b/Import/GacUI.h
index d0384e4d..cf9f5798 100644
--- a/Import/GacUI.h
+++ b/Import/GacUI.h
@@ -2186,6 +2186,8 @@ Native Window
 			
 			/// <summary>
 			/// Require mouse message capturing to this window. If the capture is required, all mouse message will be send to this window.
+			/// When the window becomes invisible after calling this function, the window will still receive mouse messages, if the OS supports this feature.
+			/// Otherwise, the capturing must be released when the window becomes invisible.
 			/// </summary>
 			/// <returns>Returns true if this operation succeeded.</returns>
 			virtual bool				RequireCapture()=0;
@@ -17669,6 +17671,7 @@ DefaultDataGridItemTemplate
 					void												OnSelectedChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments);
 					void												OnFontChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments);
 					void												OnContextChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments);
+					void												OnVisuallyEnabledChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments);
 				public:
 					DefaultDataGridItemTemplate();
 					~DefaultDataGridItemTemplate();