private void button_Click(object sender, RoutedEventArgs e) { //FileInfo file = new FileInfo(@"E:\Users\douglas\Documents\GitHub\WordToHtmlConverterTool\WordToHtmlConverter\Example.docx"); FileInfo file = new FileInfo(FileToConvertTextBox.Text); if (file.Exists) { DirectoryInfo outputDir = new DirectoryInfo(Environment.CurrentDirectory + @"/outDir"); if (!outputDir.Exists) { Directory.CreateDirectory(outputDir.FullName); } var htmlFile = Converter.ToHtml(file.FullName, outputDir.FullName); var uri = new Uri(htmlFile.FullName); PreviewWindow.Navigate(uri); } else { MessageBox.Show("That file does not exist"); } }