1. 선언 2. TxT File 내용 처리 3. 출력

string stringValue = Console.ReadLine(); if (char.IsUpper(stringValue[0])) Console.WriteLine("대문자"); else if (char.IsLower(stringValue[0])) Console.WriteLine("소문자"); else if (char.IsDigit(stringValue[0])) Console.WriteLine("숫자");

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Runtime.InteropServices; using System.Windows.Forms; namespace GUI_Form { class Setup_INI { [DllImport("kernel32.dll")] private static extern long WritePrivateProfileString(string section, string key, string val, string filePath); [DllImport("kernel32.dll")] private static extern i..

-------------------------------------------------------------------------------------- /* Class */ -------------------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows.Forms; namespace GUI_Form { public delegate void ctr_Invoke(string message, TextBox txtout); public deleg..

Ex) /* Serial Port */ SerialPort sp = new SerialPort(); /* Form Closed Event */ private void frmMain_FormClosed(object sender, FormClosedEventArgs e) { try { /* 현재 열려 있으면 */ if (sp.IsOpen) { sp.Close(); cboPortName.Enabled = true; } } catch (Exception exError) { msg.WriteMessage(exError.Message, txtMessage); } } /* Form Closing Event */ private void frmMain_FormClosing(object sender, FormClosing..

Ex ) OpenFileDialog openfiledialog = new OpenFileDialog(); String Path = ""; // 경로 저장 변수 if ( openfiledialog.ShowDialog() == DialogResult.OK ) { Path = openfiledialog.FileName; } // SteramReader sr = new StreamReader ( new FileStream ( Path + @"\test>txt", FileMode.Open )); SteramReader sr = new StreamReader ( new FileStream ( Path, FileMode.Open )); while ( sr.EndOfStream == false ) { String[] ..