private void AddRecipeClick(object sender, RoutedEventArgs e)
        {
            EditRecipeWindow editWin = new EditRecipeWindow();
            (editWin.FindName("titleBox") as TextBox).Text = "";
            (editWin.FindName("authorBox") as TextBox).Text = "";
            (editWin.FindName("categoryBox") as TextBox).Text = "";
            (editWin.FindName("timeToCookBox") as TextBox).Text = "";
            (editWin.FindName("ingredientsBox") as TextBox).Text = "";
            (editWin.FindName("wayToCookBox") as TextBox).Text = "";

            editWin.parentWindow = this;
            editWin.isNew = true;
            editWin.selectedRecipe = null;//selectedRecipe;

            editWin.Show();
        }
        private void EditRecipeClick(object sender, RoutedEventArgs e)
        {
            EditRecipeWindow editWin = new EditRecipeWindow();
            (editWin.FindName("titleBox") as TextBox).Text = selectedRecipe.Title;
            (editWin.FindName("authorBox") as TextBox).Text = selectedRecipe.Author;
            (editWin.FindName("categoryBox") as TextBox).Text = selectedRecipe.Category;
            (editWin.FindName("timeToCookBox") as TextBox).Text = selectedRecipe.TimeToCook;
            (editWin.FindName("ingredientsBox") as TextBox).Text = selectedRecipe.Ingredients;
            (editWin.FindName("wayToCookBox") as TextBox).Text = selectedRecipe.WayToCook;

            editWin.parentWindow = this;
            editWin.isNew = false;
            editWin.selectedRecipe = selectedRecipe;

            editWin.Show();
        }