diff --git a/demo/MainWindow.cpp b/demo/MainWindow.cpp
index a21bd91..cb47b52 100644
--- a/demo/MainWindow.cpp
+++ b/demo/MainWindow.cpp
@@ -177,13 +177,13 @@ void MainWindowPrivate::createContent()
 	DockWidget->setFeature(ads::CDockWidget::DockWidgetClosable, false);
 	DockManager->addDockWidget(ads::LeftDockWidgetArea, DockWidget);
 	DockManager->addDockWidget(ads::LeftDockWidgetArea, createLongTextLabelDockWidget(ViewMenu));
-	/*auto FileSystemWidget = createFileSystemTreeDockWidget(ViewMenu);
+	auto FileSystemWidget = createFileSystemTreeDockWidget(ViewMenu);
 	auto ToolBar = FileSystemWidget->toolBar();
 	ToolBar->addAction(ui.actionSaveState);
 	ToolBar->addAction(ui.actionRestoreState);
-	DockManager->addDockWidget(ads::BottomDockWidgetArea, FileSystemWidget);*/
+	DockManager->addDockWidget(ads::BottomDockWidgetArea, FileSystemWidget);
 
-	/*FileSystemWidget = createFileSystemTreeDockWidget(ViewMenu);
+	FileSystemWidget = createFileSystemTreeDockWidget(ViewMenu);
 	ToolBar = FileSystemWidget->toolBar();
 	ToolBar->addAction(ui.actionSaveState);
 	ToolBar->addAction(ui.actionRestoreState);
@@ -198,7 +198,7 @@ void MainWindowPrivate::createContent()
 	DockManager->addDockWidget(ads::TopDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
 	auto BottomDockArea = DockManager->addDockWidget(ads::BottomDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
 	DockManager->addDockWidget(ads::RightDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
-	DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);*/
+	DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);
 }
 
 
diff --git a/src/FloatingDockContainer.cpp b/src/FloatingDockContainer.cpp
index db82c7f..7a119a8 100644
--- a/src/FloatingDockContainer.cpp
+++ b/src/FloatingDockContainer.cpp
@@ -43,6 +43,7 @@
 #include "DockWidget.h"
 #include "DockOverlay.h"
 
+#include <iostream>
 
 namespace ads
 {
@@ -332,13 +333,11 @@ void CFloatingDockContainer::closeEvent(QCloseEvent *event)
 //============================================================================
 void CFloatingDockContainer::hideEvent(QHideEvent *event)
 {
-    qDebug() << "CFloatingDockContainer hideEvent";
+    std::cout << "CFloatingDockContainer hideEvent" << std::endl;
 	QWidget::hideEvent(event);
-	auto OpenDockAreas = d->DockContainer->openedDockAreas();
-	for (auto DockArea : OpenDockAreas)
+	for (auto DockArea : d->DockContainer->openedDockAreas())
 	{
-		auto OpenDockWidgets = DockArea->openedDockWidgets();
-		for (auto DockWidget : OpenDockWidgets)
+		for (auto DockWidget : DockArea->openedDockWidgets())
 		{
 			DockWidget->toggleView(false);
 		}
@@ -349,15 +348,22 @@ void CFloatingDockContainer::hideEvent(QHideEvent *event)
 //============================================================================
 void CFloatingDockContainer::showEvent(QShowEvent *event)
 {
+	std::cout << "CFloatingDockContainer showEvent" << std::endl;
 	QWidget::showEvent(event);
-	CDockContainerWidget* DockContainer = dockContainer();
-	for (int i = 0; i < DockContainer->dockAreaCount(); ++i)
+	/*for (int i = 0; i < DockContainer->dockAreaCount(); ++i)
 	{
 		auto DockArea = DockContainer->dockArea(i);
 		for (auto DockWidget : DockArea->openedDockWidgets())
 		{
 			DockWidget->setToggleViewActionChecked(true);
 		}
+	}*/
+	for (auto DockArea : d->DockContainer->openedDockAreas())
+	{
+		for (auto DockWidget : DockArea->openedDockWidgets())
+		{
+			DockWidget->setToggleViewActionChecked(true);
+		}
 	}
 }