Main page now uses Frame to change views when selecting items

Backgrounds unified
Menu items can be disabled thanks to custom ListView control

ModernKeePass/ViewModels/DatabaseVm.cs

@@ -0,0 +1,25 @@
+using System;
+using System.ComponentModel;
+using Windows.UI.Xaml;
+
+namespace ModernKeePass.ViewModels
+{
+    public class DatabaseVm : INotifyPropertyChanged
+    {
+        private string _name;
+        public Visibility SelectedVisibility { get; set; } = Visibility.Collapsed;
+
+        public bool IsOpen { get; set; }
+        public string Name {
+            get { return string.IsNullOrEmpty(_name) ? string.Empty : $"Database {_name} selected"; }
+            set { _name = value; }
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public void NotifyPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}