Added the possibility to set the default start page (#149)

ColorPicker/App.xaml.cs

@@ -53,7 +53,7 @@ protected override void OnStartup(StartupEventArgs e)
 		{
 			int? pageID = (e.Args.Length >= 2 && e.Args[0] == "/page") ? int.Parse(e.Args[1]) : null;
 
-			new MainWindow(pageID == null ? null : (Enums.Pages)pageID).Show(); // Launch ColorPicker
+			new MainWindow(pageID == null ? Global.Settings.StartupPage : (Enums.Pages)pageID).Show(); // Launch ColorPicker
 			Global.CreateJumpLists(); // Create the jump lists
 		}
 	}

ColorPicker/Classes/Settings.cs

@@ -107,6 +107,11 @@ public class Settings
 	/// True if the window is pinned
 	/// </summary>
 	public bool? IsPinned { get; set; }
+
+	/// <summary>
+	/// The startup page of ColorPicker.
+	/// </summary>
+	public Enums.Pages? StartupPage { get; set; }
 }
 
 /// <summary>
@@ -149,6 +154,7 @@ public static void Load()
 				CopyKeyboardShortcut = "Shift+C",
 				SelectKeyboardShortcut = "Shift+S",
 				IsPinned = false,
+				StartupPage = Enums.Pages.Picker,
 			}; // Create a new settings file
 
 			Save(); // Save the changes

ColorPicker/Pages/SettingsPage.xaml.cs

@@ -86,10 +86,15 @@ private async void InitUI()
 	{
 		try
 		{
+			if (Global.Settings.StartupPage is null) Global.Settings.StartupPage = Enums.Pages.Picker; // Set default startup page
+
 			// Load RadioButtons
 			DarkRadioBtn.IsChecked = Global.Settings.IsDarkTheme; // Change IsChecked property
 			LightRadioBtn.IsChecked = !Global.Settings.IsDarkTheme; // Change IsChecked property
 			SystemRadioBtn.IsChecked = Global.Settings.IsThemeSystem; // Change IsChecked property
+			PickerPageRadioBtn.IsChecked = Global.Settings.StartupPage == Enums.Pages.Picker; // Change IsChecked property
+			ConverterPageRadioBtn.IsChecked = Global.Settings.StartupPage == Enums.Pages.Converter; // Change IsChecked property
+			PalettePageRadioBtn.IsChecked = Global.Settings.StartupPage == Enums.Pages.Palette; // Change IsChecked property
 
 			// Borders
 			if (DarkRadioBtn.IsChecked.Value)
@@ -176,6 +181,22 @@ private async void InitUI()
 				Global.Settings.RGBSeparator = ";"; // Set
 			}
 
+			// Load default startup page section
+			if (PickerPageRadioBtn.IsChecked.Value)
+			{
+				PageCheckedBorder = PickerPageBorder; // Set
+			}
+			else if (ConverterPageRadioBtn.IsChecked.Value)
+			{
+				PageCheckedBorder = ConverterPageBorder; // Set
+			}
+			else if (PalettePageRadioBtn.IsChecked.Value)
+			{
+				PageCheckedBorder = PalettePageBorder; // Set
+			}
+
+			RefreshStartupBorders();
+
 			// Load FavoriteColorComboBox
 			for (int i = 0; i < Enum.GetValues(typeof(Enums.ColorTypes)).Length; i++)
 			{
@@ -480,6 +501,7 @@ private void ResetSettingsLink_Click(object sender, RoutedEventArgs e)
 				CopyKeyboardShortcut = "Shift+C",
 				SelectKeyboardShortcut = "Shift+S",
 				IsPinned = false,
+				StartupPage = Enums.Pages.Picker,
 			}; // Create default settings
 
 			SettingsManager.Save(); // Save the changes
@@ -569,20 +591,29 @@ private void PickerPageBorder_MouseLeftButtonUp(object sender, MouseButtonEventA
 		PageCheckedBorder = PickerPageBorder; // Set
 		PickerPageRadioBtn.IsChecked = true;
 		RefreshStartupBorders(); // Refresh
+
+		Global.Settings.StartupPage = Enums.Pages.Picker; // Set
+		SettingsManager.Save(); // Save changes
 	}
 
 	private void ConverterPageBorder_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
 	{
 		PageCheckedBorder = ConverterPageBorder; // Set
 		ConverterPageRadioBtn.IsChecked = true;
 		RefreshStartupBorders(); // Refresh
+
+		Global.Settings.StartupPage = Enums.Pages.Converter; // Set
+		SettingsManager.Save(); // Save changes
 	}
 
 	private void PalettePageBorder_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
 	{
 		PageCheckedBorder = PalettePageBorder; // Set
 		PalettePageRadioBtn.IsChecked = true;
 		RefreshStartupBorders(); // Refresh
+
+		Global.Settings.StartupPage = Enums.Pages.Palette; // Set
+		SettingsManager.Save(); // Save changes
 	}
 
 	private void EditSelectShortcutBtn_Click(object sender, RoutedEventArgs e)