RicardoACS

// Se crea el documento con el tamaño de página tradicional
Document doc = new Document(PageSize.LETTER);
// Indicamos donde vamos a guardar el documento
PdfWriter writer = PdfWriter.GetInstance(doc,
                            new FileStream(@"C:\nombreDoc.pdf", FileMode.Create));
 
// Se le coloca el título y el autor
// **Nota: Esto no será visible en el documento
doc.AddTitle("Mi primer PDF");
doc.AddCreator("Ricardo Carrasco S.-");

RicardoACS

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
    </configSections>
    <connectionStrings>
        <add name="connection" connectionString="Data Source=RICARDO-PC\SQLEXPRESS;Initial Catalog=graficos;Integrated Security=True"
            providerName="System.Data.SqlClient" />
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>

RicardoACS

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
    </configSections>
    <connectionStrings>
        <add name="connection" connectionString="Data Source=|DataDirectory|NombreBD.db;Version=3;New=False;Compress=True;"
            providerName="System.Data.SQLite" />
    </connectionStrings>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />

RicardoACS

//referencias 
//System.configuration;
//System.Data.SQLite;
//System.Windows.Forms;


using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;

RicardoACS

<Button Content="Button" HorizontalAlignment="Left" Margin="35,219,0,0" VerticalAlignment="Top" Width="93" RenderTransformOrigin="0.471,0.432" Height="41">
        <Button.Background>
            <SolidColorBrush Color="Brown"/>
        </Button.Background>
    </Button>

RicardoACS

    <Button Margin="3">
        <StackPanel>
            <TextBlock Margin="3" Text="Texto del boton"></TextBlock>
            <Image Source="C:\Users\Ricardo\Desktop\link.jpg" Stretch="None" Height="120"></Image>
        </StackPanel>
    </Button>

RicardoACS

<Button Margin="3">
        <Grid>
            <Polygon Points="100,25 125,0 200,25 125, 50"
                     Fill="Blue"></Polygon>
            <Polygon Points="100,25 75,0 0,25 75, 50"
                     Fill="White"></Polygon>
        </Grid>
    </Button>

RicardoACS

    <Canvas>
        <Rectangle Fill="Blue" Stroke="Black" Canvas.Left="40"
                   Canvas.Top="40" Height="40" Width="40">
            
        </Rectangle>
        <Ellipse Fill="Green" Stroke="Blue" StrokeThickness="2"
                 Canvas.Left="60" Canvas.Top="120" Height="55" Width="55">          
        </Ellipse>
        <Path Stroke="DarkBlue" StrokeThickness="3">
            <Path.Data>

RicardoACS

#include <stdio.h>
#include <Windows.h>
#include <conio.h>
#include <stdlib.h>
#include <list>
#include <mmsystem.h>
using namespace std;

#define ARRIBA 72
#define IZQUIERDA 75

RicardoACS

 public bool validarRut(string rut ) {           
             bool validacion = false;
             try 
             {
                rut =  rut.ToUpper();
                rut = rut.Replace(".", "");
                rut = rut.Replace("-", "");
                int rutAux = int.Parse(rut.Substring(0, rut.Length - 1));
 
                char dv = char.Parse(rut.Substring(rut.Length - 1, 1));