Code Quality: Replace foreach with Task.WhenAll

src/Files.App/Actions/Content/ImageManipulation/BaseRotateAction.cs

@@ -33,8 +33,7 @@ public BaseRotateAction()
 
 		public async Task ExecuteAsync()
 		{
-			foreach (var image in context.SelectedItems)
-				await BitmapHelper.RotateAsync(PathNormalization.NormalizePath(image.ItemPath), Rotation);
+			await Task.WhenAll(context.SelectedItems.Select(image => BitmapHelper.RotateAsync(PathNormalization.NormalizePath(image.ItemPath), Rotation)));
 
 			context.ShellPage?.SlimContentPage?.ItemManipulationModel?.RefreshItemsThumbnail();
 

src/Files.App/Actions/Content/Install/InstallInfDriverAction.cs

@@ -33,8 +33,7 @@ public InstallInfDriverAction()
 
 		public async Task ExecuteAsync()
 		{
-			foreach (ListedItem selectedItem in context.SelectedItems)
-				await Win32API.InstallInf(selectedItem.ItemPath);
+			await Task.WhenAll(context.SelectedItems.Select(selectedItem => Win32API.InstallInf(selectedItem.ItemPath)));
 		}
 
 		public void Context_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)

src/Files.App/Data/Factories/ShellContextFlyoutHelper.cs

@@ -12,6 +12,7 @@
 using Vanara.PInvoke;
 using Windows.System;
 using Windows.UI.Core;
+using static Vanara.PInvoke.Kernel32;
 
 namespace Files.App.Helpers
 {
@@ -180,17 +181,11 @@ async Task InvokeShellMenuItemAsync(ContextMenu contextMenu, object? tag)
 				switch (verb)
 				{
 					case "install" when isFont:
-						{
-							foreach (string path in contextMenu.ItemsPath)
-								await Win32API.InstallFont(path, false);
-						}
+						await Win32API.InstallFontsAsync(contextMenu.ItemsPath.ToArray(), false);
 						break;
 
 					case "installAllUsers" when isFont:
-						{
-							foreach (string path in contextMenu.ItemsPath)
-								await Win32API.InstallFont(path, true);
-						}
+						await Win32API.InstallFontsAsync(contextMenu.ItemsPath.ToArray(), true);
 						break;
 
 					case "mount":

src/Files.App/Utils/Shell/Win32API.cs

@@ -850,21 +850,6 @@ public static async Task<bool> InstallInf(string filePath)
 			}
 		}
 
-		public static Task InstallFont(string fontFilePath, bool forAllUsers)
-		{
-			string fontDirectory = forAllUsers
-				? Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Windows), "Fonts")
-				: Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Microsoft", "Windows", "Fonts");
-
-			string registryKey = forAllUsers
-				? "HKLM:\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
-				: "HKCU:\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
-
-			var destinationPath = Path.Combine(fontDirectory, Path.GetFileName(fontFilePath));
-
-			return RunPowershellCommandAsync($"-command \"Copy-Item '{fontFilePath}' '{fontDirectory}'; New-ItemProperty -Name '{Path.GetFileNameWithoutExtension(fontFilePath)}' -Path '{registryKey}' -PropertyType string -Value '{destinationPath}'\"", forAllUsers);
-		}
-
 		public static async Task InstallFontsAsync(string[] fontFilePaths, bool forAllUsers)
 		{
 			string fontDirectory = forAllUsers
@@ -885,7 +870,7 @@ public static async Task InstallFontsAsync(string[] fontFilePaths, bool forAllUs
 				if (psCommand.Length + appendCommand.Length > 32766)
 				{
 					// The command is too long to run at once, so run the command once up to this point.
-					await RunPowershellCommandAsync(psCommand.Append("\"").ToString(), forAllUsers);
+					await RunPowershellCommandAsync(psCommand.Append("\"").ToString(), true);
 					psCommand.Clear().Append("-command \"");
 				}
 

src/Files.App/Views/Layouts/DetailsLayoutPage.xaml.cs

@@ -431,12 +431,15 @@ private async Task ReloadItemIconsAsync()
 
 			ParentShellPageInstance.FilesystemViewModel.CancelExtendedPropertiesLoading();
 			var filesAndFolders = ParentShellPageInstance.FilesystemViewModel.FilesAndFolders.ToList();
-			foreach (ListedItem listedItem in filesAndFolders)
+
+			await Task.WhenAll(filesAndFolders.Select(listedItem =>
 			{
 				listedItem.ItemPropertiesInitialized = false;
 				if (FileList.ContainerFromItem(listedItem) is not null)
-					await ParentShellPageInstance.FilesystemViewModel.LoadExtendedItemPropertiesAsync(listedItem, currentIconSize);
-			}
+					return ParentShellPageInstance.FilesystemViewModel.LoadExtendedItemPropertiesAsync(listedItem, currentIconSize);
+				else
+					return Task.CompletedTask;
+			}));
 
 			if (ParentShellPageInstance.FilesystemViewModel.EnabledGitProperties is not GitProperties.None)
 			{

src/Files.Core/Services/SizeProvider/DrivesSizeProvider.cs

@@ -24,14 +24,12 @@ public async Task CleanAsync()
 			foreach (var oldDriveName in oldDriveNames)
 				providers.TryRemove(oldDriveName, out _);
 
-			foreach (var provider in providers.Values)
-				await provider.CleanAsync();
+			await Task.WhenAll(providers.Values.Select(provider => provider.CleanAsync()));
 		}
 
 		public async Task ClearAsync()
 		{
-			foreach (var provider in providers.Values)
-				await provider.ClearAsync();
+			await Task.WhenAll(providers.Values.Select(provider => provider.ClearAsync()));
 
 			providers.Clear();
 		}