SPONJA10 Operaciones básicas con texto

DISEÑO DE VENTANA

CODIGO 01:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace Esponja10

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void tXTToolStripMenuItem_Click(object sender, EventArgs e)

        {

          

            if (openFileDialog1.ShowDialog() == DialogResult.OK)

            {

                richTextBox1.LoadFile(openFileDialog1.FileName

                    , RichTextBoxStreamType.PlainText);

                richTextBox1.BackColor = Color.PapayaWhip;

                this.Text = openFileDialog1.FileName;

                toolStripStatusLabel1.Text = "Total de lineas: "+

                    richTextBox1.Lines.Length.ToString();

            }

        }

        private void rTFToolStripMenuItem_Click(object sender, EventArgs e)

        {

            if (openFileDialog1.ShowDialog() == DialogResult.OK)

            {

                richTextBox1.LoadFile(openFileDialog1.FileName

                    , RichTextBoxStreamType.RichText);

                richTextBox1.BackColor = Color.NavajoWhite;

                this.Text = openFileDialog1.FileName;

                toolStripStatusLabel1.Text = "Total de lineas: "+

                    richTextBox1.Lines.Length.ToString();

            }

        }

        private Color Colores()

        {

            Color[] Fondo ={Color.PapayaWhip,Color.Wheat, Color.OldLace,

                Color.WhiteSmoke,Color.FloralWhite,Color.NavajoWhite

            ,Color.GhostWhite,Color.AntiqueWhite,Color.LightGray};//colores de fondo

            Random R = new Random();//objeto random

            int pos = R.Next(Fondo.Length);//asignar posicion aleatoria

            return Fondo[pos];//retornamos el color

        }

        private void nuevoToolStripMenuItem_Click(object sender, EventArgs e)

        {

            this.Text = "Nuevo";

            richTextBox1.BackColor = Colores();

            toolStripProgressBar1.Value = 0;

            toolStripStatusLabel1.Text = "sin lineas";

            richTextBox1.Focus();

        }

        private void numerarToolStripMenuItem_Click(object sender, EventArgs e)

        {

            int Fin = richTextBox1.Lines.Length;

            String cad = "";

            for (int a = 0; a < Fin; a++)

            {

                cad +=(a+1).ToString() + " " + richTextBox1.Lines[a]+ "\n";      

            }

            richTextBox1.Text = cad;

            toolStripStatusLabel1.Text = "Numerado total: "+Fin;

        }

        private void cortarToolStripMenuItem_Click(object sender, EventArgs e)

        {

            richTextBox1.Cut();

            toolStripStatusLabel1.Text = "Cortar";

        }

        private void copiarToolStripMenuItem_Click(object sender, EventArgs e)

        {

            richTextBox1.Copy();

            toolStripStatusLabel1.Text = "Copiar";

        }

        private void pegarToolStripMenuItem_Click(object sender, EventArgs e)

        {

            richTextBox1.Paste();

            toolStripStatusLabel1.Text = "Pegar";

        }

        private void seleccionartodoToolStripMenuItem_Click(object sender, EventArgs e)

        {

            richTextBox1.SelectAll();

            toolStripStatusLabel1.Text = "Seleccionar todo";

        }

        private void deshacerToolStripMenuItem_Click(object sender, EventArgs e)

        {

            richTextBox1.Undo();

            toolStripStatusLabel1.Text = "Deshacer";

        }

        private void rehacerToolStripMenuItem_Click(object sender, EventArgs e)

        {

            richTextBox1.Redo();

            toolStripStatusLabel1.Text = "Rehacer";

        }

        private void soloParesToolStripMenuItem_Click(object sender, EventArgs e)

        {

            //numerar solo pares y borrar lineas impares

            int Fin = richTextBox1.Lines.Length;

            String cad = "";

            for (int a = 0; a < Fin; a+=2)

            {

                cad += a.ToString() + " " + richTextBox1.Lines[a] + "\n";

            }

            richTextBox1.Text = cad;

            toolStripStatusLabel1.Text = "Numerado total: " + Fin;

        }

        private void soloImparesToolStripMenuItem_Click(object sender, EventArgs e)

        {

            int Fin = richTextBox1.Lines.Length;

            String cad = "";

            for (int a = 1; a < Fin; a += 2)

            {

                cad += a.ToString() + " " + richTextBox1.Lines[a] + "\n";

            }

            richTextBox1.Text = cad;

            toolStripStatusLabel1.Text = "Numerado total: " + Fin;

        }

        private void lineasDeMayorAMenorToolStripMenuItem_Click(object sender, EventArgs e)

        {

            int Fin = richTextBox1.Lines.Length-1;

            String cad = "";

            for (int a = Fin; a >=0; a--)

            {

                cad += a.ToString() + " " + richTextBox1.Lines[a] + "\n";

            }

            richTextBox1.Text = cad;

            toolStripStatusLabel1.Text = "Numerado inverso total: " + Fin;

        }

        private void eliminarLineaEspecificaToolStripMenuItem_Click(object sender, EventArgs e)

        {

            if (MessageBox.Show("Eliminar linea " +

                toolStripTextBox1.Text, "Pregunta",

                MessageBoxButtons.YesNo, MessageBoxIcon.Question)

                == DialogResult.Yes)//cuadro para preguntar si desea eliminar

            {//codigo para eliminar la linea

             toolStripStatusLabel1.Text = "Se elimino la línea " +

                    toolStripTextBox1.Text;//informar de la linea eliminada

                //eliminamos la linea validando que exista

            }

        }

    }

}