diff --git a/reference/ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.lay b/reference/ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.lay
new file mode 100644
index 000000000..b797310f3
--- /dev/null
+++ b/reference/ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.lay
@@ -0,0 +1,4 @@
+LAYOUT(MainWindowLayout, 448, 292)
+	ITEM(ArrayCtrl, m_array, AutoHideSb(true).HSizePosZ(8, 8).VSizePosZ(8, 8))
+END_LAYOUT
+
diff --git a/reference/ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.upp b/reference/ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.upp
new file mode 100644
index 000000000..824ea512b
--- /dev/null
+++ b/reference/ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.upp
@@ -0,0 +1,12 @@
+description "Hide/Show Menu for ArrayCtrl Columns\377";
+
+uses
+	CtrlLib;
+
+file
+	main.cpp,
+	ArrayHideShowColumnMenu.lay;
+
+mainconfig
+	"" = "GUI";
+
diff --git a/reference/ArrayHideShowColumnMenu/main.cpp b/reference/ArrayHideShowColumnMenu/main.cpp
new file mode 100644
index 000000000..ae809a361
--- /dev/null
+++ b/reference/ArrayHideShowColumnMenu/main.cpp
@@ -0,0 +1,92 @@
+#include <CtrlLib/CtrlLib.h>
+
+using namespace Upp;
+
+#define LAYOUTFILE <ArrayHideShowColumnMenu/ArrayHideShowColumnMenu.lay>
+#include <CtrlCore/lay.h>
+
+
+class MainWindow : public WithMainWindowLayout<TopWindow> {
+public:
+	typedef MainWindow CLASSNAME;
+	MainWindow();
+	void Serialize(Stream& s);
+protected:
+	void FillTestData();
+	void AddName(int i, const char * a_name);
+	void OnArrayBar(Bar &menu);
+	void ShowColumn(int index, bool show);
+};
+
+MainWindow::MainWindow()
+{
+	CtrlLayout(*this, "Array Hide/Show Column Menu demonstration");
+	Sizeable();
+	m_array.WhenBar = THISBACK(OnArrayBar);
+	m_array.AllSorting();
+
+
+	//Showing columns
+	//m_array.AddColumn("Zero Column");
+	
+	//hidden by default:
+	int i = m_array.AddColumn("First Column").HeaderTab().GetIndex();
+	m_array.HeaderObject().ShowTab(i, false);
+	
+	m_array.AddColumn("Second Column");
+	m_array.AddColumn("Third Column");
+	//m_array.AddColumn("Fourth Column");
+	FillTestData();
+}
+
+void MainWindow::Serialize(Stream& s)
+{
+	int version = 1;
+	s / version;
+	SerializePlacement(s);
+	m_array.SerializeSettings(s);
+}
+
+void MainWindow::FillTestData()
+{
+	AddName(0, "Zero");
+	AddName(1, "One");
+	AddName(2, "Two");
+	AddName(3, "Three");
+	AddName(4, "Four");
+}
+
+void MainWindow::AddName(int i, const char * a_name)
+{
+	Vector<Value> vec;
+	vec.Add(i);
+	vec.Add(a_name);
+	vec.Add(i*10);
+	m_array.Add(vec);
+}
+
+void MainWindow::OnArrayBar(Bar &menu)
+{
+	HeaderCtrl& header = m_array.HeaderObject();
+	for(int i=0; i<header.GetCount(); i++){
+		bool visible = header.IsTabVisible(i);
+		String label = header[i].GetText();
+		menu.Add(label, THISBACK2(ShowColumn, i, !visible)).Check(visible);
+	}
+}
+
+void MainWindow::ShowColumn(int index, bool show)
+{
+	m_array.HeaderObject().ShowTab(index, show);
+}
+
+
+
+GUI_APP_MAIN
+{
+	MainWindow mw;
+	LoadFromFile(mw);
+	mw.Run();
+	StoreToFile(mw);
+}
+