Added main structure

GifResizer/App.xaml

@@ -1,8 +1,7 @@
 <Application x:Class="GifResizer.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:GifResizer"
+             xmlns:local="clr-namespace:GifResizer">
-             StartupUri="MainWindow.xaml">
     <Application.Resources>
          
     </Application.Resources>

GifResizer/App.xaml.cs

@@ -1,6 +1,8 @@
 using System.Configuration;
 using System.Data;
 using System.Windows;
+using GifResizer.ViewModels;
+using GifResizer.Views;
 
 namespace GifResizer;
 
@@ -9,4 +11,13 @@ namespace GifResizer;
 /// </summary>
 public partial class App : Application
 {
+    protected override void OnStartup(StartupEventArgs e)
+    {
+        base.OnStartup(e);
+        
+        var viewModel = new MainViewModel();
+        var mainWindow = new MainWindow(viewModel);
+        
+        mainWindow.Show();
+    }
 }

GifResizer/GifResizer.csproj

@@ -8,4 +8,6 @@
         <UseWPF>true</UseWPF>
     </PropertyGroup>
 
+
+
 </Project>

GifResizer/MainWindow.xaml

@@ -1,12 +0,0 @@
-<Window x:Class="GifResizer.MainWindow"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:GifResizer"
-        mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
-    <Grid>
-
-    </Grid>
-</Window>

GifResizer/MainWindow.xaml.cs

@@ -1,23 +0,0 @@
-using System.Text;
-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 GifResizer;
-
-/// <summary>
-/// Interaction logic for MainWindow.xaml
-/// </summary>
-public partial class MainWindow : Window
-{
-    public MainWindow()
-    {
-        InitializeComponent();
-    }
-}

GifResizer/Models/Gif.cs

@@ -0,0 +1,6 @@
+namespace GifResizer.Models;
+
+public class Gif
+{
+    
+}

GifResizer/Service/ResizeService.cs

@@ -0,0 +1,6 @@
+namespace GifResizer.Service;
+
+public class ResizeService
+{
+    
+}

GifResizer/ViewModels/MainViewModel.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel;
+using System.IO;
+using System.Runtime.CompilerServices;
+
+namespace GifResizer.ViewModels;
+
+public class MainViewModel : INotifyPropertyChanged
+{
+    
+
+    public event PropertyChangedEventHandler? PropertyChanged;
+    
+    public MainViewModel()
+    {
+        FilePath = Directory.GetCurrentDirectory();
+    }
+
+
+    public string FilePath
+    {
+        get;
+        set => SetField(ref field, value);
+    }
+    
+    private bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(field, value)) return false;
+        field = value;
+        OnPropertyChanged(propertyName);
+        return true;
+    }
+    
+    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+    {
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+}

GifResizer/Views/MainWindow.xaml

@@ -0,0 +1,73 @@
+<Window x:Class="GifResizer.Views.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Title="Gif resizer" Height="480" Width="640"
+        ResizeMode="NoResize">
+    
+    <Border BorderBrush="Gray" 
+            BorderThickness="1" 
+            CornerRadius="5"
+            Padding="5"
+            Margin="20">
+        
+        <StackPanel Orientation="Vertical" Margin="20">
+
+            <Border BorderBrush="Gray" 
+                    BorderThickness="1" 
+                    CornerRadius="5"
+                    Padding="5"
+                    Margin="20">
+                <StackPanel Orientation="Vertical">
+                    <TextBlock
+                        Margin="0,0,0,5"
+                        Text="{
+                            Binding FilePath,
+                            TargetNullValue=No file selected,
+                            FallbackValue=Gif filepath...
+                        }"
+                        Width="Auto" 
+                        Height="Auto"
+                        HorizontalAlignment="Left"
+                        VerticalAlignment="Center"
+                    />
+                    <Button 
+                        Content="Browse..."
+                        Padding="5"
+                        Width="Auto" 
+                        Height="Auto"
+                        Click="BrowseButton_Click"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"/>
+                    
+                </StackPanel>
+            </Border>
+            
+            <Button 
+                Content="Resize"
+                Padding="5"
+                Width="Auto" 
+                Height="Auto"
+                Click="ResizeButton_Click"
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"/>
+
+            <!--
+            <TextBlock Grid.Row="3" Text="Options:" Margin="0,0,0,5"/>
+     
+            <CheckBox Grid.Row="4" 
+                      Content="Optimize file size"
+                      Margin="0,0,0,15"/>
+
+            <Button Grid.Row="5" 
+                    Content="Resize GIF" 
+                    Width="120" 
+                    Height="35"
+                    HorizontalAlignment="Left"
+                    VerticalAlignment="Top"/>
+            -->
+        </StackPanel>
+    </Border>
+</Window>

GifResizer/Views/MainWindow.xaml.cs

@@ -0,0 +1,40 @@
+using System.Windows;
+using GifResizer.ViewModels;
+using Microsoft.Win32;
+
+namespace GifResizer.Views;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    
+    private readonly MainViewModel _mainViewModel;
+    
+    public MainWindow(MainViewModel viewModel)
+    {
+        InitializeComponent();
+        _mainViewModel = viewModel;
+        DataContext = _mainViewModel;
+        
+    }
+    
+    private void BrowseButton_Click(object sender, RoutedEventArgs e)
+    {
+        OpenFileDialog fileDialog = new OpenFileDialog
+        {
+            Filter = "GIF files (*.gif)|*.gif|All files (*.*)|*.*",
+            Title = "Select a GIF file"
+        };
+        
+        if (fileDialog.ShowDialog() == true)
+        {
+            _mainViewModel.FilePath = fileDialog.FileName;
+        }
+    }
+    
+    private void ResizeButton_Click(object sender, RoutedEventArgs e)
+    {
+    }
+}