WIP Windows 10

Dependencies finally installed
Removal of useless code
Big cleanup in XAML styles (override colors the correct way)

Win10App/Views/UserControls/SymbolPickerUserControl.xaml.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using ModernKeePass.Converters;
+
+// The User Control item template is documented at http://go.microsoft.com/fwlink/?LinkId=234236
+
+namespace ModernKeePass.Views.UserControls
+{
+    public sealed partial class SymbolPickerUserControl
+    {
+        public IEnumerable<Symbol> Symbols { get; }
+
+        public Symbol SelectedSymbol
+        {
+            get => (Symbol)GetValue(SelectedSymbolProperty);
+            set => SetValue(SelectedSymbolProperty, value);
+        }
+        public static readonly DependencyProperty SelectedSymbolProperty =
+            DependencyProperty.Register(
+                "SelectedSymbol",
+                typeof(Symbol),
+                typeof(SymbolPickerUserControl),
+                new PropertyMetadata(Symbol.Stop, (o, args) => { }));
+        
+        public SymbolPickerUserControl()
+        {
+            InitializeComponent();
+            var converter = new IconToSymbolConverter();
+            Symbols = Enum.GetValues(typeof(Symbol)).Cast<Symbol>().Where(s => (int)converter.ConvertBack(s, null, null, string.Empty) != -1);
+        }
+
+        private void ComboBox_OnLoaded(object sender, RoutedEventArgs e)
+        {
+            ComboBox.SelectedItem = Symbols.FirstOrDefault(s => s == SelectedSymbol);
+        }
+    }
+}