Initial commit.

Basic UI structure. Nothing functional.

butterflow-ui/MainWindow.xaml.cs

@@ -0,0 +1,42 @@
+using Microsoft.Win32;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace butterflow_ui
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void btnFilePicker_Click(object sender, RoutedEventArgs e)
+        {
+            var ofd = new OpenFileDialog();
+            ofd.Filter = "Supported Video Files|*.mp4;*.mkv";
+
+            var result = ofd.ShowDialog(this);
+            if (result.HasValue && result.Value)
+            {
+                txtFileName.Text = ofd.FileName;
+                mediaPreview.Source = new Uri(ofd.FileName);
+            }
+        }
+    }
+}