> > >

C# MCQs

Which of the following code samples will check if a file is in use?

protected virtual bool IsFileLocked(FileInfo file) { FileStream stream = null; try { stream = file.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.None); } catch (IOException) { return true; } finally { if (stream != null) stream.Close(); } return false; }

try { using (Stream stream = new FileStream("MyFilename.txt", FileMode.Open)) { } } catch { }

internal static bool FileOrDirectoryExists(string name) { return (Directory.Exists(name) || File.Exists(name)) }

FileInfo file = new FileInfo("file.txt"); if (file.Exists) { // TO DO }

Answer

Correct Answer: protected virtual bool IsFileLocked(FileInfo file) { FileStream stream = null; try { stream = file.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.None); } catch (IOException) { return true; } finally { if (stream != null) stream.Close(); } return false; }

Explanation:

Note: This Question is unanswered, help us to find answer for this one

C# Skill Assessment

Your Skill Level: Poor

Retake Quizzes to improve it

More C# MCQ Questions

C# Skill Assessment

Your Skill Level: Poor

Retake Quizzes to improve it