add export

MaxSlurper/App.xaml

@@ -3,7 +3,7 @@
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:local="clr-namespace:MaxSlurper"
  xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
- StartupUri="MainWindow.xaml">
+ >
  <Application.Resources>
  <ResourceDictionary>
  <ResourceDictionary.MergedDictionaries>

MaxSlurper/App.xaml.cs

@@ -1,5 +1,4 @@
-using System.Configuration;
+using System.Linq;
-using System.Data;
 using Wpf.Ui.Appearance;
 
 namespace MaxSlurper
@@ -13,7 +12,22 @@ namespace MaxSlurper
         {
             base.OnStartup(e);
 
-            // The theme will be applied automatically when the window is shown
+            bool startMinimized = e.Args.Contains("--minimized", System.StringComparer.OrdinalIgnoreCase);
+
+            var mainWindow = new MainWindow();
+            MainWindow = mainWindow;
+
+            if (startMinimized)
+            {
+                // Only show the tray icon, don't show the window
+                mainWindow.WindowState = System.Windows.WindowState.Minimized;
+                mainWindow.ShowInTaskbar = false;
+                mainWindow.Hide();
+            }
+            else
+            {
+                mainWindow.Show();
+            }
         }
     }
 }

MaxSlurper/Controls/ColorPickerWindow.xaml

@@ -2,8 +2,8 @@
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
-   Title="Farbe aussuche" 
+   Title="Farbe auswählen" 
-     Height="500" 
+      Height="500"
         Width="400"
         ResizeMode="NoResize"
     WindowStartupLocation="CenterScreen"
@@ -26,8 +26,8 @@ xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 
         <!-- Title bar -->
     <ui:TitleBar Grid.Row="0" 
-  Title="Farbe aussuche"
+  Title="Farbe auswählen"
-   ShowMaximize="False"
+    ShowMaximize="False"
   ShowMinimize="False"
  Icon="/logo.png" />
 
@@ -176,14 +176,14 @@ Height="20"
       <ColumnDefinition Width="Auto"/>
    </Grid.ColumnDefinitions>
  
-  <ui:Button Content="Lass ma" 
+  <ui:Button Content="Abbrechen"
      Height="44"
            Margin="0,0,8,0"
        Click="CancelButton_Click"
   Appearance="Secondary"/>
      
 <ui:Button Grid.Column="1"
-     Content="Kopieren &amp; Tschüss" 
+     Content="Kopieren &amp; Schließen"
     Height="44"
        Padding="24,0"
  Click="OkButton_Click"

MaxSlurper/Controls/SettingsWindow.xaml

@@ -58,7 +58,7 @@
    TextWrapping="Wrap"
     FontSize="12"
     Foreground="{DynamicResource TextFillColorSecondaryBrush}"
-  Margin="0,2,0,0"><Run Language="de-de" Text="H"/><Run Text="otkey zum Farben schlürfen"/></TextBlock>
+  Margin="0,2,0,0">Hotkey zum Farben aufnehmen</TextBlock>
                             </StackPanel>
    </Grid>
     
@@ -99,6 +99,37 @@ Foreground="{DynamicResource TextFillColorSecondaryBrush}"
                     </StackPanel>
    </ui:Card>
 
+  <!-- Autostart Card -->
+ <ui:Card Margin="0,0,0,16" Padding="20">
+     <Grid>
+       <Grid.ColumnDefinitions>
+         <ColumnDefinition Width="Auto"/>
+         <ColumnDefinition Width="*"/>
+         <ColumnDefinition Width="Auto"/>
+       </Grid.ColumnDefinitions>
+
+       <ui:SymbolIcon Symbol="Power24"
+         FontSize="24"
+         VerticalAlignment="Center"
+         Margin="0,0,12,0"/>
+
+       <StackPanel Grid.Column="1" VerticalAlignment="Center">
+         <TextBlock Text="Autostart"
+           FontSize="16"
+           FontWeight="SemiBold"
+           Foreground="{DynamicResource TextFillColorPrimaryBrush}"/>
+         <TextBlock Text="Beim Systemstart minimiert starten"
+           FontSize="12"
+           Foreground="{DynamicResource TextFillColorSecondaryBrush}"
+           Margin="0,2,0,0"/>
+       </StackPanel>
+
+       <CheckBox Grid.Column="2"
+         IsChecked="{Binding IsAutostart}"
+         VerticalAlignment="Center"/>
+     </Grid>
+   </ui:Card>
+
   <!-- About Card -->
  <ui:Card Padding="20">
     <StackPanel>
@@ -121,7 +152,7 @@ FontWeight="SemiBold"
    Foreground="{DynamicResource TextFillColorPrimaryBrush}"/>
    </Grid>
 
-    <TextBlock Text="DER ColorPicker für Max"  
+    <TextBlock Text="Der Farbwähler für Max"  
 TextWrapping="Wrap"
       FontSize="13"
    Foreground="{DynamicResource TextFillColorSecondaryBrush}"
@@ -129,7 +160,7 @@ TextWrapping="Wrap"
   <TextBlock TextWrapping="Wrap"
  FontSize="13"
    Foreground="{DynamicResource TextFillColorSecondaryBrush}">
-      <Run Text="Gemacht mit "/>
+      <Run Text="Erstellt mit "/>
       <Run Text="♥" Foreground="Red" FontSize="14"/>
       <Run Text=" von Mathias"/>
   </TextBlock>
@@ -151,13 +182,13 @@ BorderThickness="0,1,0,0"
 <ColumnDefinition Width="Auto"/>
        </Grid.ColumnDefinitions>
 
-   <TextBlock Text="Änderungen werden direkt jespeichert" 
+   <TextBlock Text="Änderungen werden automatisch gespeichert" 
     VerticalAlignment="Center"
     FontSize="12"
   Foreground="{DynamicResource TextFillColorSecondaryBrush}"/>
 
    <ui:Button Grid.Column="1"
-  Content="Zumachen"
+  Content="Schließen"
     Height="36"
         Padding="24,0"
   Click="Close_Click"

MaxSlurper/Controls/SettingsWindow.xaml.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.ComponentModel;
 using System.Linq;
 using System.Runtime.CompilerServices;
@@ -7,6 +7,7 @@ using System.Windows.Controls;
 using System.Windows.Input;
 using MaxSlurper.Models;
 using MaxSlurper.Services;
+using Microsoft.Win32;
 using Wpf.Ui.Controls;
 
 namespace MaxSlurper.Controls
@@ -31,6 +32,35 @@ public event PropertyChangedEventHandler? PropertyChanged;
   }
       }
 
+ private const string RegistryRunKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Run";
+ private const string AppName = "MaxSlurper";
+
+ public bool IsAutostart
+ {
+     get
+     {
+         using var key = Registry.CurrentUser.OpenSubKey(RegistryRunKey, false);
+         return key?.GetValue(AppName) != null;
+     }
+     set
+     {
+         using var key = Registry.CurrentUser.OpenSubKey(RegistryRunKey, true);
+         if (key == null) return;
+
+         if (value)
+         {
+             var exePath = Environment.ProcessPath ?? System.Reflection.Assembly.GetEntryAssembly()!.Location;
+             key.SetValue(AppName, $"\"{exePath}\" --minimized");
+         }
+         else
+         {
+             key.DeleteValue(AppName, false);
+         }
+
+         OnPropertyChanged();
+     }
+ }
+
  public SettingsWindow(AppSettings settings, ISettingsService settingsService, Action<AppSettings> onSettingsChanged)
  {
      InitializeComponent();
@@ -54,7 +84,7 @@ public event PropertyChangedEventHandler? PropertyChanged;
      return;
 
          _isCapturingHotkey = true;
-  CurrentHotkey = "Drück deine Tasten...";
+  CurrentHotkey = "Tastenkombination eingeben...";
 
    var captureWindow = new HotkeyCapture();
       captureWindow.Owner = this;
@@ -131,7 +161,7 @@ ExtendsContentIntoTitleBar = true;
 
    var infoText = new System.Windows.Controls.TextBlock
   {
-    Text = "Drück die Tastenkombination, die de haben willst",
+    Text = "Drücken Sie die gewünschte Tastenkombination",
   FontSize = 14,
   TextAlignment = TextAlignment.Center,
     Foreground = (System.Windows.Media.Brush)FindResource("TextFillColorSecondaryBrush"),
@@ -142,7 +172,7 @@ ExtendsContentIntoTitleBar = true;
 
    var keyDisplay = new System.Windows.Controls.TextBlock
    {
-       Text = "Warte uff Eingabe...",
+       Text = "Warte auf Eingabe...",
        FontSize = 18,
  FontWeight = FontWeights.SemiBold,
     TextAlignment = TextAlignment.Center,
@@ -204,7 +234,7 @@ key == Key.LWin || key == Key.RWin)
    // Require at least one modifier
      if (modifiers == ModifierKeys.None)
   {
-  keyDisplay.Text = "Mindestens ein Modifier (Strg, Alt, Shift, Win) musste drücken!";
+  keyDisplay.Text = "Mindestens eine Zusatztaste (Strg, Alt, Shift, Win) erforderlich!";
    okButton.IsEnabled = false;
     return;
  }

MaxSlurper/MainWindow.xaml

@@ -55,7 +55,7 @@
   BorderBrush="{DynamicResource ControlStrokeColorDefaultBrush}"
      BorderThickness="1"
    Cursor="Hand"
-     ToolTip="Drück ma druff, dann kannste dir 'ne Farbe raussuche">
+     ToolTip="Klicken, um eine Farbe auszuwählen">
      <Border.Effect>
  <DropShadowEffect BlurRadius="8" 
  ShadowDepth="2" 
@@ -72,7 +72,7 @@
    <StackPanel Orientation="Vertical" 
    Margin="16,0,16,0" 
   VerticalAlignment="Center">
-      <TextBlock Text="Zuletzt jeklaut" 
+      <TextBlock Text="Zuletzt aufgenommen"
 Style="{StaticResource SubtleText}" 
   Margin="0,0,0,4" />
    <TextBlock Text="{Binding SelectedHex}" 
@@ -87,7 +87,7 @@ Style="{StaticResource SubtleText}" />
    <!-- Actions -->
     <StackPanel Orientation="Vertical" 
    DockPanel.Dock="Right">
-    <ui:Button Content="Farbe schlürfen" 
+    <ui:Button Content="Farbe aufnehmen"
   Appearance="Primary"
      Icon="{ui:SymbolIcon Eyedropper24}" 
   Command="{Binding PickColorCommand}"
@@ -112,63 +112,88 @@ Padding="16,8"
    <RowDefinition Height="*" />
     </Grid.RowDefinitions>
 
-    <StackPanel Grid.Row="0" Margin="0,0,0,12">
+    <DockPanel Grid.Row="0" Margin="0,0,0,12">
-        <TextBlock Text="Wat ick schon so jeklaut hab" 
+        <ui:Button DockPanel.Dock="Right"
-            Style="{StaticResource HeaderText}" />
+           Content="Verlauf löschen"
-     <TextBlock Text="Druff klicken und ab dafuer, wa" 
+           Appearance="Secondary"
-        Style="{StaticResource SubtleText}"
+           Icon="{ui:SymbolIcon Delete24}"
-   Margin="0,4,0,0" />
+           Command="{Binding ClearHistoryCommand}"
-   </StackPanel>
+           Padding="8,4"
+           VerticalAlignment="Center" />
+        <ui:Button DockPanel.Dock="Right"
+           Content="Exportieren"
+           Appearance="Secondary"
+           Icon="{ui:SymbolIcon ArrowExportUp24}"
+           Command="{Binding ExportHistoryCommand}"
+           Padding="8,4"
+           Margin="0,0,8,0"
+           VerticalAlignment="Center" />
+        <StackPanel>
+            <TextBlock Text="Farbverlauf"
+                Style="{StaticResource HeaderText}" />
+            <TextBlock Text="Klicken zum Kopieren"
+                Style="{StaticResource SubtleText}"
+                Margin="0,4,0,0" />
+        </StackPanel>
+    </DockPanel>
 
     <ScrollViewer Grid.Row="1" 
      VerticalScrollBarVisibility="Auto"
 HorizontalScrollBarVisibility="Disabled">
   <ItemsControl ItemsSource="{Binding History}">
+    <ItemsControl.ItemContainerStyle>
+     <Style TargetType="ContentPresenter">
+      <Setter Property="HorizontalAlignment" Value="Stretch" />
+     </Style>
+    </ItemsControl.ItemContainerStyle>
     <ItemsControl.ItemTemplate>
      <DataTemplate>
- <ui:CardControl Margin="0,0,0,8" 
+ <ui:Card Margin="0,0,0,8" 
-  Padding="8"
+  Padding="12"
- Cursor="Hand"
+  Cursor="Hand"
-  HorizontalAlignment="Stretch"
+  HorizontalAlignment="Stretch">
-    HorizontalContentAlignment="Left">
+<ui:Card.InputBindings>
-<ui:CardControl.InputBindings>
     <MouseBinding MouseAction="LeftClick" 
 Command="{Binding DataContext.CopyHexCommand, RelativeSource={RelativeSource AncestorType=ui:FluentWindow}}" 
    CommandParameter="{Binding}" />
-</ui:CardControl.InputBindings>
+</ui:Card.InputBindings>
 
-<Grid HorizontalAlignment="Stretch">
+<DockPanel LastChildFill="True">
-   <Grid.ColumnDefinitions>
+    <!-- Delete button pinned to the right -->
-        <ColumnDefinition Width="Auto" />
+    <ui:Button DockPanel.Dock="Right"
-  <ColumnDefinition Width="*" />
+       Icon="{ui:SymbolIcon Dismiss24}"
-     </Grid.ColumnDefinitions>
+       Appearance="Secondary"
+       ToolTip="Farbe entfernen"
+       Command="{Binding DataContext.RemoveColorCommand, RelativeSource={RelativeSource AncestorType=ui:FluentWindow}}"
+       CommandParameter="{Binding}"
+       Padding="6"
+       Margin="8,0,0,0"
+       VerticalAlignment="Center" />
 
     <!-- Color preview on the left -->
-<Border Width="48" 
+    <Border DockPanel.Dock="Left"
-   Height="48" 
+       Width="48" 
- Background="{Binding Brush}" 
+       Height="48" 
- CornerRadius="8" 
+       Background="{Binding Brush}" 
-  BorderBrush="{DynamicResource ControlStrokeColorDefaultBrush}"
+       CornerRadius="8" 
-  BorderThickness="1"
+       BorderBrush="{DynamicResource ControlStrokeColorDefaultBrush}"
-     VerticalAlignment="Center"
+       BorderThickness="1"
- HorizontalAlignment="Left" />
+       VerticalAlignment="Center" />
 
-<!-- Text info in the middle -->
+    <!-- Text info fills the middle -->
-   <StackPanel Grid.Column="1" 
+    <StackPanel Margin="12,0,0,0" 
-   Margin="12,0,0,0" 
+       VerticalAlignment="Center">
-  VerticalAlignment="Center"
+        <TextBlock Text="{Binding Hex}" 
-    HorizontalAlignment="Left">
+           FontWeight="Medium"
-     <TextBlock Text="{Binding Hex}" 
+           FontSize="15"
-FontWeight="Medium"
+           Foreground="{DynamicResource TextFillColorPrimaryBrush}" />
- FontSize="15"
+        <TextBlock Text="{Binding Rgb}" 
-   Foreground="{DynamicResource TextFillColorPrimaryBrush}" />
+           FontSize="12"
- <TextBlock Text="{Binding Rgb}" 
+           Foreground="{DynamicResource TextFillColorSecondaryBrush}" 
-    FontSize="12"
+           Margin="0,2,0,0" />
-   Foreground="{DynamicResource TextFillColorSecondaryBrush}" 
+    </StackPanel>
-   Margin="0,2,0,0" />
+</DockPanel>
-     </StackPanel>
+ </ui:Card>
-  </Grid>
- </ui:CardControl>
 </DataTemplate>
 </ItemsControl.ItemTemplate>
       </ItemsControl>

MaxSlurper/MainWindow.xaml.cs

@@ -77,14 +77,14 @@ namespace MaxSlurper
     _notifyIcon.Text = "MaxSlurper";
 
      var contextMenu = new ContextMenuStrip();
-      var pickItem = new ToolStripMenuItem("Farbe schlürfen");
+      var pickItem = new ToolStripMenuItem("Farbe aufnehmen");
    // Use BeginInvoke to avoid synchronous invocation while windows may be closing
      pickItem.Click += (s, e) => { Dispatcher.BeginInvoke(new Action(() => _vm.PickColorCommand.Execute(null))); };
-   var openItem = new ToolStripMenuItem("Fenster uffmachen");
+   var openItem = new ToolStripMenuItem("Fenster öffnen");
 openItem.Click += (s, e) => { Dispatcher.BeginInvoke(new Action(() => { Show(); WindowState = WindowState.Normal; Activate(); })); };
   var settingsItem = new ToolStripMenuItem("Einstellungen");
             settingsItem.Click += (s, e) => { Dispatcher.BeginInvoke(new Action(() => { Show(); WindowState = WindowState.Normal; Activate(); _vm.OpenSettingsCommand.Execute(null); })); };
-      var exitItem = new ToolStripMenuItem("Tschüss");
+      var exitItem = new ToolStripMenuItem("Beenden");
        exitItem.Click += (s, e) => { _notifyIcon.Visible = false; System.Windows.Application.Current.Shutdown(); };
      contextMenu.Items.Add(pickItem);
      contextMenu.Items.Add(openItem);

MaxSlurper/MaxSlurper.csproj

@@ -13,7 +13,7 @@
     <Authors>Mathias Wagner</Authors>
     <Company>MaxSlurper</Company>
     <Product>MaxSlurper</Product>
-    <Description>Weil Max danach gefragt hat</Description>
+    <Description>Farbwähler-Anwendung</Description>
     <Copyright>Copyright © 2025</Copyright>
     <ApplicationIcon>logo.ico</ApplicationIcon>
   </PropertyGroup>

MaxSlurper/Services/SettingsService.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Text.Json;
 using System.Windows.Input;
 using MaxSlurper.Models;
@@ -10,11 +12,14 @@ namespace MaxSlurper.Services
     {
    AppSettings LoadSettings();
    void SaveSettings(AppSettings settings);
+   List<ColorItem> LoadHistory();
+   void SaveHistory(IEnumerable<ColorItem> history);
     }
 
  public class SettingsService : ISettingsService
     {
         private readonly string _settingsPath;
+        private readonly string _historyPath;
 
  public SettingsService()
         {
@@ -22,6 +27,7 @@ namespace MaxSlurper.Services
      var appFolder = Path.Combine(appData, "MaxSlurper");
    Directory.CreateDirectory(appFolder);
        _settingsPath = Path.Combine(appFolder, "settings.json");
+            _historyPath = Path.Combine(appFolder, "history.json");
         }
 
         public AppSettings LoadSettings()
@@ -94,10 +100,52 @@ var json = File.ReadAllText(_settingsPath);
      catch { }
   }
 
+        public List<ColorItem> LoadHistory()
+        {
+            try
+            {
+                if (File.Exists(_historyPath))
+                {
+                    var json = File.ReadAllText(_historyPath);
+                    var items = JsonSerializer.Deserialize<List<HistoryEntry>>(json);
+                    if (items != null)
+                    {
+                        return items.Select(e =>
+                        {
+                            var item = new ColorItem { R = e.R, G = e.G, B = e.B };
+                            item.UpdateDerived();
+                            return item;
+                        }).ToList();
+                    }
+                }
+            }
+            catch { }
+
+            return new List<ColorItem>();
+        }
+
+        public void SaveHistory(IEnumerable<ColorItem> history)
+        {
+            try
+            {
+                var entries = history.Select(c => new HistoryEntry { R = c.R, G = c.G, B = c.B }).ToList();
+                var json = JsonSerializer.Serialize(entries, new JsonSerializerOptions { WriteIndented = true });
+                File.WriteAllText(_historyPath, json);
+            }
+            catch { }
+        }
+
         private class SettingsData
         {
     public string[]? HotkeyModifiers { get; set; }
    public string? HotkeyKey { get; set; }
      }
+
+        private class HistoryEntry
+        {
+            public byte R { get; set; }
+            public byte G { get; set; }
+            public byte B { get; set; }
+        }
     }
 }

MaxSlurper/ViewModels/MainViewModel.cs

@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using System.Text;
 using System.Windows.Input;
 using System.Windows.Media;
 using MaxSlurper.Models;
@@ -38,9 +39,11 @@ namespace MaxSlurper.ViewModels
 
  public ICommand PickColorCommand { get; }
  public ICommand ClearHistoryCommand { get; }
+ public ICommand RemoveColorCommand { get; }
  public ICommand CopyHexCommand { get; }
  public ICommand OpenColorPickerCommand { get; }
  public ICommand OpenSettingsCommand { get; }
+ public ICommand ExportHistoryCommand { get; }
 
  public MainViewModel(IColorPickerService colorPicker, IAudioPlayer audioPlayer, ISettingsService settingsService)
  {
@@ -51,10 +54,19 @@ namespace MaxSlurper.ViewModels
  Settings = _settingsService.LoadSettings();
 
  PickColorCommand = new RelayCommand(async _ => await PickColor());
- ClearHistoryCommand = new RelayCommand(_ => ClearHistory());
+ ClearHistoryCommand = new RelayCommand(_ => ClearHistory(), _ => History.Count > 0);
+ RemoveColorCommand = new RelayCommand(RemoveColor, _ => _ is ColorItem);
  CopyHexCommand = new RelayCommand(CopyHex, _ => Selected != null || _ is ColorItem);
  OpenColorPickerCommand = new RelayCommand(_ => OpenColorPicker());
  OpenSettingsCommand = new RelayCommand(_ => OpenSettings());
+ ExportHistoryCommand = new RelayCommand(_ => ExportHistory(), _ => History.Count > 0);
+
+ // Restore persisted history
+ foreach (var item in _settingsService.LoadHistory())
+ History.Add(item);
+
+ if (History.Count > 0)
+ Selected = History[0];
  }
 
  public System.Action<AppSettings>? OnSettingsChanged { get; set; }
@@ -79,6 +91,9 @@ namespace MaxSlurper.ViewModels
  Selected = item;
 
  System.Windows.Clipboard.SetText(item.Hex);
+ _settingsService.SaveHistory(History);
+ ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
 
  private void OpenColorPicker()
@@ -104,6 +119,9 @@ namespace MaxSlurper.ViewModels
  Selected = item;
 
  System.Windows.Clipboard.SetText(item.Hex);
+ _settingsService.SaveHistory(History);
+ ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
  }
 
@@ -119,6 +137,25 @@ namespace MaxSlurper.ViewModels
  private void ClearHistory()
  {
  History.Clear();
+ Selected = null;
+ _settingsService.SaveHistory(History);
+ ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
+ }
+
+ private void RemoveColor(object? parameter)
+ {
+ if (parameter is not ColorItem item) return;
+
+ var wasSelected = item == Selected;
+ History.Remove(item);
+
+ if (wasSelected)
+ Selected = History.Count > 0 ? History[0] : null;
+
+ _settingsService.SaveHistory(History);
+ ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
 
  private void CopyHex(object? parameter)
@@ -134,9 +171,62 @@ namespace MaxSlurper.ViewModels
     // Show a notification (optional - can add UI feedback)
  }
 
+ private void ExportHistory()
+ {
+ var dialog = new Microsoft.Win32.SaveFileDialog
+ {
+ Title = "Farbpalette exportieren",
+ Filter = "CSS-Datei (*.css)|*.css|JSON-Datei (*.json)|*.json|Textdatei (*.txt)|*.txt",
+ DefaultExt = ".css",
+ FileName = "palette"
+ };
+
+ if (dialog.ShowDialog() != true) return;
+
+ var sb = new StringBuilder();
+ var ext = System.IO.Path.GetExtension(dialog.FileName).ToLowerInvariant();
+
+ switch (ext)
+ {
+ case ".css":
+ sb.AppendLine(":root {");
+ for (int i = 0; i < History.Count; i++)
+ {
+ var c = History[i];
+ sb.AppendLine($" --color-{i + 1}: {c.Hex};");
+ }
+ sb.AppendLine("}");
+ break;
+
+ case ".json":
+ sb.AppendLine("[");
+ for (int i = 0; i < History.Count; i++)
+ {
+ var c = History[i];
+ var comma = i < History.Count - 1 ? "," : "";
+ sb.AppendLine($" {{ \"hex\": \"{c.Hex}\", \"rgb\": \"{c.Rgb}\" }}{comma}");
+ }
+ sb.AppendLine("]");
+ break;
+
+ default: // .txt
+ foreach (var c in History)
+ sb.AppendLine(c.Hex);
+ break;
+ }
+
+ System.IO.File.WriteAllText(dialog.FileName, sb.ToString());
+ }
+
  private void UpdateSelected()
  {
- if (Selected == null) return;
+ if (Selected == null)
+ {
+ SelectedColorBrush = System.Windows.Media.Brushes.White;
+ SelectedHex = "#FFFFFF";
+ SelectedRgb = "255,255,255";
+ return;
+ }
  SelectedColorBrush = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(Selected.R, Selected.G, Selected.B));
  SelectedHex = Selected.Hex;
  SelectedRgb = Selected.Rgb;