Texter

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

namespace Texter_0._2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
        }

        private void neuToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (tabControl1.SelectedIndex == 0)
            {
                TextBox.Clear();
                Tab1.Text = "Neues Dokument 1";
            }
            else if (tabControl1.SelectedIndex == 1)
            {
                TextBox2.Clear();
                Tab2.Text = "Neues Dokument 2";
            }
        }

        private void beendenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void öffnenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string open;

            openFileDialog1.Filter = "Alle (*.*) | *.*";
            openFileDialog1.FileName = "";
            if (openFileDialog1.ShowDialog(Owner) == DialogResult.OK)
            {
                open = openFileDialog1.FileName;
                if (tabControl1.SelectedIndex == 0)
                {
                    TextBox.Text = File.ReadAllText(open);
                    Tab1.Text = open;
                }
                else if (tabControl1.SelectedIndex == 1)
                {
                    TextBox2.Text = File.ReadAllText(open);
                    Tab2.Text = open;
                }
            }
        }
        private void ausschneidenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (tabControl1.SelectedIndex == 0)
            {
                TextBox.Cut();
            }
            else if (tabControl1.SelectedIndex == 1)
            {
                TextBox2.Cut();
            }
        }

        private void kopierenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (tabControl1.SelectedIndex == 0)
            {
                TextBox.Copy();
            }
            else if (tabControl1.SelectedIndex == 1)
            {
                TextBox2.Copy();
            }
        }

        private void einfügenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (tabControl1.SelectedIndex == 0)
            {
                TextBox.Paste();
            }
            else if (tabControl1.SelectedIndex == 1)
            {
                TextBox2.Paste();
            }
        }

        private void speichernToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string save, text, text2;
            text = TextBox.Text;
            text2 = TextBox2.Text;
            saveFileDialog1.Filter = "Textdateien (*.txt)|*.txt|Alle (*.*) | *.*";
            saveFileDialog1.FileName = "Neues Dokument";
            if (saveFileDialog1.ShowDialog(Owner) == DialogResult.OK)
            {
                save = saveFileDialog1.FileName;
                if (tabControl1.SelectedIndex == 0)
                {
                    File.WriteAllText(save, text);
                }
                else if (tabControl1.SelectedIndex == 1)
                {
                    File.WriteAllText(save, text2);
                }
            }
        }

        private void schriftToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (fontDialog1.ShowDialog(Owner) == DialogResult.OK)
            {
                TextBox.SelectionFont = fontDialog1.Font;
            }
        }

        private void infosToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Programmierer: Alexander Rudel \nDatum: 2012\nVersion: Beta 0.3.1", "Informationen",
            MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            DialogResult result = MessageBox.Show("Wollen sie das Programm beenden?\nDenken sie an das speichern ihrer Dateien!", "Beenden", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (result == DialogResult.Yes)
            {
                e.Cancel = false;
            }
            else if (result == DialogResult.No)
            {
                e.Cancel = true;
            }
        }
    }
}