[Solved] What is wrong with this code?string filePath = "C:\\Docs\\file.txt"; string dir = Path.GetDirectoryName(filePath); Directory.CreateDirectory(dir); | C Sharp (C#)

C Sharp (C#) - File IO

What is wrong with this code?

string filePath = "C:\\Docs\\file.txt";
string dir = Path.GetDirectoryName(filePath);
Directory.CreateDirectory(dir);

ANo error; code creates directory from file path

BGetDirectoryName returns null if path is invalid

CCreateDirectory throws if directory exists

DfilePath string uses wrong slashes

Step-by-Step Solution

Solution:

Step 1: Understand Path.GetDirectoryName usage
GetDirectoryName extracts directory part from file path correctly.
Step 2: Check Directory.CreateDirectory behavior
CreateDirectory creates directory if missing, or does nothing if it exists, no error thrown.
Final Answer:
No error; code creates directory from file path -> Option A
Quick Check:
GetDirectoryName + CreateDirectory works safely [OK]

Quick Trick: CreateDirectory is safe even if directory exists [OK]

Common Mistakes:

MISTAKES

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What is wrong with this code?