diff --git a/examples/checkbox.jl b/examples/checkbox.jl
new file mode 100644
index 0000000..8b30c01
--- /dev/null
+++ b/examples/checkbox.jl
@@ -0,0 +1,35 @@
+# This example creates a modal dialog with two checkboxes.
+
+using Gtk.ShortNames, GtkObservables
+
+# define the default values
+OPTION_A = false
+OPTION_B = false
+finished = false 
+
+cb1 = checkbox(OPTION_A, label="Option A")
+cb2 = checkbox(OPTION_B, label="Option B")
+btnOK = button(label="OK")
+
+win = Window("Dialog", 200, 72) |> (bx = Box(:v))
+push!(bx, cb1)
+push!(bx, cb2)
+push!(bx, btnOK)
+
+function on_button_clicked(win)
+    global OPTION_A, OPTION_B, finished, win
+    OPTION_A = observable(cb1)[]
+    OPTION_B = observable(cb2)[]
+    destroy(win)
+    finished = true
+end
+signal_connect(on_button_clicked, widget(btnOK), "clicked")
+
+Gtk.showall(win)
+while ! finished
+    sleep(0.1)
+end
+
+println("Option A: $OPTION_A")
+println("Option B: $OPTION_B")
+nothing
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