Rename solution directory to Elwig

Elwig/App.xaml.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.IO;
+using Elwig.Helpers;
+
+namespace Elwig {
+    public partial class App : Application {
+
+        public static bool IsPrintingReady => Documents.Html.IsReady && Documents.Pdf.IsReady;
+        public static System.Windows.Threading.Dispatcher MainDispatcher { get; private set; }
+
+        public App() : base() {
+            System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
+            Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), "Elwig"));
+            MainDispatcher = Dispatcher;
+        }
+
+        protected override void OnStartup(StartupEventArgs evt) {
+            Utils.RunBackground("HTML Initialization", () => Documents.Html.Init(PrintingReadyChanged));
+            Utils.RunBackground("PDF Initialization", () => Documents.Pdf.Init(PrintingReadyChanged));
+            base.OnStartup(evt);
+        }
+
+        protected override void OnExit(ExitEventArgs evt) {
+            Utils.RunBackground("PDF Close", () => Documents.Pdf.Close());
+            base.OnExit(evt);
+        }
+
+        private void PrintingReadyChanged() {
+            Dispatcher.BeginInvoke(OnPrintingReadyChanged, new EventArgs());
+        }
+
+        protected void OnPrintingReadyChanged(EventArgs evt) {
+            foreach (Window w in Windows) {
+                foreach (var b in Utils.FindVisualChilds<Button>(w).Where(b => "Print".Equals(b.Tag))) {
+                    b.IsEnabled = IsPrintingReady;
+                }
+            }
+        }
+    }
+}