File Operations, c ++ File Operations

File Operations, c ++ File Operations
Txt operation

Write

using (FileStream fs = new FileStream("test.txt", FileMode.Append, FileAccess.Write))            {                using (StreamWriter sw = new StreamWriter(fs, Encoding.Default))                {                    sw.WriteLine("I Love You");                }            }

Read

using (FileStream fs = new FileStream("test.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite))            {                using (StreamReader sr = new StreamReader(fs, Encoding.Default))                {                    textBox1.Text = sr.ReadToEnd();                }            }

Array Storage:String [] lines = File. ReadAllLines (file, Encoding. Default );

File (folder) operation: Directory (similar)

File. copy (@ "E: \ file.txt", @ "F: \ file.txt", false); File. create (@ "F: \ kk.txt"); // Create a file on drive F. You can set security permissions and other information in the overload. File. Exists (@ "E: \ file.txt"); // True if the File Exists; otherwise, False

Delete the entire folder and all files
Directory. Delete (path, true );