printer.cs

这是一个小型的相片管理器

using System;
using VirtualPhotoOrganizer.Photo;

namespace VirtualPhotoOrganizer.Util
{
	/// <summary>
	/// handles the printing of photos
	/// </summary>
	internal class Printer
	{
		// the photos we're going to print
		Photos _Photos;

		public Printer(Photos photos) {
			_Photos = photos;
		}

		public Photos Photos {
			get { return _Photos; }
			set { _Photos = value; }
		}

		/// <summary>
		/// prints the list of photos
		/// </summary>
		public void Print() {
			// create the vector COM object
			WiaInterop.VectorClass vector = new WiaInterop.VectorClass();

			// add the paths or our photos to the vector object
			foreach (Photo.Photo p in _Photos) {
				object path = (object) p.Path;
				vector.Add(ref path, 0);
			}

			// create and show the printing wizard dialog
			WiaInterop.CommonDialogClass dlg = new WiaInterop.CommonDialogClass();
			object vec = (object) vector;
			dlg.ShowPhotoPrintingWizard(ref vec);

			// mark the com objects for deletion from heap
			dlg = null;
			vector = null;
		}
	}
}