.NET Core

LINQ

Windows Presentation Foundation

Windows Forms

private IEnumerable<string[]> LoadFile(string delim, StreamReader sr)
{
    while (sr.Peek() != -1)
        yield return sr.ReadLine().Split(delim.ToCharArray());
}

Norbert;Eder;Irgendeine Strasse 1;10000;Irgendein Ort
Klaus;Mustermann;Mustermann Strasse 1;10000;Irgendein Ort

if (File.Exists("Adressen.txt"))
{
    StreamReader sr = new StreamReader("Adressen.txt");

    var addressList = from field in LoadFile(";", sr)
                      select new
                          {
                              Firstname = field[0],
                              Lastname = field[1],
                              Street = field[2],
                              PostalCode = field[3],
                              City = field[4],
                          };

    List<object> tempList = new List<object>();
    foreach (var address in addressList)
        tempList.Add(address);

    this.DataGridView.DataSource = tempList;                
}

private IEnumerable<string[]> LoadFile(string delim, StreamReader sr)
{
    while (sr.Peek() != -1)
        yield return sr.ReadLine().Split(delim.ToCharArray());
}

private void TestFunction()
{
    StreamReader sr = new StreamReader("Test.cvs");
    foreach (string[] s in LoadFile(";", sr))
    {
        Console.WriteLine(s[0]);
    }
    sr.Close();
}

• Base Framework
• Windows Forms
• ASP.NET
• Tools

• Windows Communication Foundation
• LINQ

Gewinnspiel

RegistryKey rk = Registry.CurrentUser;
RegistryKey rkSoftware = 
  rk.OpenSubKey("Software", true);
if (rkSoftware != null)
{
    RegistryKey rkCompany = 
      rkSoftware.OpenSubKey("Norbert Eder",true);
    if (rkCompany == null)
    {
        rkCompany = rkSoftware.CreateSubKey("Norbert Eder");
    }
    RegistryKey rkInstaller = 
      rkCompany.OpenSubKey("MySoftware", true);
    if (rkInstaller == null)
        rkInstaller = rkCompany.CreateSubKey("MySoftware");

    rkInstaller.SetValue("value1", "test1");
    rkInstaller.SetValue("value2", "test2");

    rkInstaller.Close();
    rkCompany.Close();
    rkSoftware.Close();
}
rk.Close();

RegistryKey rk = 
    Registry.CurrentUser.OpenSubKey
      (@"Software\Norbert Eder\MySoftware");
if (rk != null)
{
    string value1 = (string)rk.GetValue("value1");
    string value2 = (string)rk.GetValue("value2");

    rk.Close();
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace MoveableControlDemo
{
    public partial class MoveableBaseControl 
        : UserControl
    {
        private bool _isMoving = false;
        private int _deltaX = 0;
        private int _deltaY = 0;

        public MoveableBaseControl()
        {
            InitializeComponent();
        }

        private void MoveableBaseControl_MouseDown(
            object sender, 
            MouseEventArgs e)
        {
            _isMoving = true;
            _deltaX = e.X;
            _deltaY = e.Y;
        }

        private void MoveableBaseControl_MouseUp(
            object sender, 
            MouseEventArgs e)
        {
            _isMoving = false;
        }

        private void MoveableBaseControl_MouseMove(
            object sender, 
            MouseEventArgs e)
        {
            if (_isMoving && e.Button == MouseButtons.Left)
            {
                this.Location = new Point(
                    this.Location.X + (e.X - _deltaX), 
                    this.Location.Y + (e.Y - _deltaY)
                    );
            }
        }
    }
}

this.LogRtb.Text += "My additional log text ...";
this.LogRtb.SelectionStart = this.LogRtb.Text.Length;
this.LogRtb.ScrollToCaret();