WPF C#

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="PrintCustomPage" Height="300" Width="300">
    
      
        this is a test
      
      Print
    


//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Globalization;
namespace Printing
{
    public partial class PrintCustomPage : System.Windows.Window
    {
        public PrintCustomPage()
        {
            InitializeComponent();
        }
        private void cmdPrint_Click(object sender, RoutedEventArgs e)
        {           
            PrintDialog printDialog = new PrintDialog();
            if (printDialog.ShowDialog() == true)
            {
                DrawingVisual visual = new DrawingVisual();
                using (DrawingContext dc = visual.RenderOpen())
                {
                    FormattedText text = new FormattedText(txtContent.Text,
                        CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
                        new Typeface("Calibri"), 20, Brushes.Black);
                    text.MaxTextWidth = printDialog.PrintableAreaWidth / 2;
                    Point point = new Point(100,100);
                    dc.DrawText(text, point);
                    dc.DrawRectangle(null, new Pen(Brushes.Black, 1),
                        new Rect(200, 200, 50,50));
                }
                printDialog.PrintVisual(visual, "A Custom-Printed Page");
            }
        }
    }
}