using System;
using System.Threading;
using System.Windows.Forms;
using Microsoft.Web.WebView2.Core;
using Microsoft.Web.WebView2.WinForms;

namespace ConsoleApp1
{
	internal class Program
	{
		[STAThread]
		static void Main(string[] args)
		{
			var filePath = "C:\\Temp\\test.pdf";
			var printerName = "Microsoft Print to PDF";

			Console.WriteLine("Initialize WebView2 ...");
			var webView2 = new WebView2();
			var createEnvironmentTask = CoreWebView2Environment.CreateAsync();
			while (!createEnvironmentTask.IsCompleted)
			{
				Application.DoEvents();
			}
			var environment = createEnvironmentTask.Result;
			var initTask = webView2.EnsureCoreWebView2Async(environment);
			while (!initTask.IsCompleted)
			{
				Application.DoEvents();
			}
			if (initTask.IsFaulted)
			{
				Console.WriteLine(initTask.Exception?.ToString());
				Console.ReadKey();
			}
			Console.WriteLine("  ... done.");
			Console.WriteLine("SDK version: " + webView2.ProductVersion);
			Console.WriteLine("Browser Version: " + webView2.CoreWebView2.Environment.BrowserVersionString);

			Console.WriteLine($"Navigate to file '{filePath}' ...");
			var navigationCompletedEvent = new ManualResetEventSlim(false);
			webView2.CoreWebView2.NavigationCompleted += (sender, eventArgs) =>
			{
				navigationCompletedEvent.Set();
				Console.WriteLine("    - NavigationCompleted");
			};
			webView2.CoreWebView2.Navigate(filePath);
			while (!navigationCompletedEvent.IsSet)
			{
				Application.DoEvents();
			}
			Console.WriteLine("  ... done.");

			Console.WriteLine("Sleep ...");
			Thread.Sleep(500);
			Console.WriteLine("  ... done.");

			Console.WriteLine("Create print settings ...");
			CoreWebView2PrintSettings printSettings = null;
			printSettings = webView2.CoreWebView2.Environment.CreatePrintSettings();
			printSettings.PrinterName = printerName;
			printSettings.Copies = 1;
			printSettings.Duplex = CoreWebView2PrintDuplex.OneSided;
			printSettings.Orientation = CoreWebView2PrintOrientation.Portrait;
			printSettings.PageHeight = 11.7; // A4 in inch
			printSettings.PageWidth = 8.3; // A4 in inch
			printSettings.MarginTop = 0.5;
			printSettings.MarginBottom = 0.5;
			printSettings.MarginLeft = 0.5;
			printSettings.MarginRight = 0.5;
			Console.WriteLine("  ... done.");

			Console.WriteLine($"Print file to printer '{printerName}' ...");
			var printTask = webView2.CoreWebView2.PrintAsync(printSettings);
			while (!printTask.IsCompleted)
			{
				Application.DoEvents();
			}
			var printStatus = printTask.Result;
			Console.WriteLine("  ... done.");

			Console.WriteLine("Print status: " + printStatus);
			webView2.Dispose();
		}
	}
}