Repository: files-community/Files
File: src/Files.App/Utils/Storage/Operations/FileOperationsHelpers.cs (C#)

Code before:
				op.Options =
					ShellFileOperations.OperationFlags.NoConfirmMkDir |
					ShellFileOperations.OperationFlags.Silent |
					ShellFileOperations.OperationFlags.NoErrorUI;

				if (asAdmin)
				{
					op.Options |=
						ShellFileOperations.OperationFlags.ShowElevationPrompt |
						ShellFileOperations.OperationFlags.RequireElevation;
				}

				op.OwnerWindow = (IntPtr)ownerHwnd;

				op.Options |=
					!overwriteOnCopy
						? ShellFileOperations.OperationFlags.PreserveFileExtensions | ShellFileOperations.OperationFlags.RenameOnCollision
						: ShellFileOperations.OperationFlags.NoConfirmation;

				for (var i = 0; i < fileToCopyPath.Length; i++)
				{
					if (!SafetyExtensions.IgnoreExceptions(() =>
					{
						using ShellItem shi = new(fileToCopyPath[i]);
						using ShellFolder shd = new(Path.GetDirectoryName(copyDestination[i]));
						string fileName = GetIncrementalName(overwriteOnCopy, copyDestination[i], fileToCopyPath[i]);
						// Performa copy operation
						op.QueueCopyOperation(shi, shd, fileName);
						// 
					}))
					{
						shellOperationResult.Items.Add(new ShellOperationItemResult()
						{
							Succeeded = false,
							Source = fileToCopyPath[i],
							Destination = copyDestination[i],
							HResult = -1
						});
					}
				}

				progressHandler.OwnerWindow = op.OwnerWindow;
				progressHandler.AddOperation(operationID);

				var copyTcs = new TaskCompletionSource<bool>();

				op.PreCopyItem += (s, e) =>
				{
					sizeCalculator.ForceComputeFileSize(e.SourceItem.FileSystemPath);
					fsProgress.FileName = e.SourceItem.Name;
					fsProgress.Report();

Review comment (suggestion):
```suggestion
						var fileName = GetIncrementalName(overwriteOnCopy, copyDestination[i], fileToCopyPath[i]);

```
Use `var` whenever possible.

Code after:
				op.Options =
					ShellFileOperations.OperationFlags.NoConfirmMkDir |
					ShellFileOperations.OperationFlags.Silent |
					ShellFileOperations.OperationFlags.NoErrorUI;

				if (asAdmin)
				{
					op.Options |=
						ShellFileOperations.OperationFlags.ShowElevationPrompt |
						ShellFileOperations.OperationFlags.RequireElevation;
				}

				op.OwnerWindow = (IntPtr)ownerHwnd;

				op.Options |=
					!overwriteOnCopy
						? ShellFileOperations.OperationFlags.PreserveFileExtensions | ShellFileOperations.OperationFlags.RenameOnCollision
						: ShellFileOperations.OperationFlags.NoConfirmation;

				for (var i = 0; i < fileToCopyPath.Length; i++)
				{
					if (!SafetyExtensions.IgnoreExceptions(() =>
					{
						using ShellItem shi = new(fileToCopyPath[i]);
						using ShellFolder shd = new(Path.GetDirectoryName(copyDestination[i]));
						
						var fileName = GetIncrementalName(overwriteOnCopy, copyDestination[i], fileToCopyPath[i]);
						// Perform a copy operation
						op.QueueCopyOperation(shi, shd, fileName);						
					}))
					{
						shellOperationResult.Items.Add(new ShellOperationItemResult()
						{
							Succeeded = false,
							Source = fileToCopyPath[i],
							Destination = copyDestination[i],
							HResult = -1
						});
					}
				}

				progressHandler.OwnerWindow = op.OwnerWindow;
				progressHandler.AddOperation(operationID);

				var copyTcs = new TaskCompletionSource<bool>();

				op.PreCopyItem += (s, e) =>
				{
					sizeCalculator.ForceComputeFileSize(e.SourceItem.FileSystemPath);
					fsProgress.FileName = e.SourceItem.Name;
					fsProgress.Report();