FSpot.MainWindow.HandleIconViewDragBegin C# (CSharp) Méthode

		public void HandleIconViewDragBegin (object sender, DragBeginArgs args)
		{
			Photo[] photos = SelectedPhotos ();

			if (photos.Length > 0) {
				int len = Math.Min (photos.Length, 4);
				int size = 48;
				int border = 2;
				int csize = size / 2 + len * size / 2 + 2 * border;

				Pixbuf container = new Pixbuf (Gdk.Colorspace.Rgb, true, 8, csize, csize);
				container.Fill (0x00000000);

				bool use_icon = false;
				;
				while (len-- > 0) {
					FSpot.PixbufCache.CacheEntry entry = icon_view.Cache.Lookup (photos [len].DefaultVersion.Uri);

					Pixbuf thumbnail = null;
					if (entry != null) {
						Cms.Profile screen_profile;
						if (FSpot.ColorManagement.Profiles.TryGetValue (Preferences.Get<string> (Preferences.COLOR_MANAGEMENT_DISPLAY_PROFILE), out screen_profile)) {
							thumbnail = entry.Pixbuf.Copy ();
							FSpot.ColorManagement.ApplyProfile (thumbnail, screen_profile);
						} else
							thumbnail = entry.ShallowCopyPixbuf ();
					}

					if (thumbnail != null) {
						Pixbuf small = thumbnail.ScaleToMaxSize (size, size);

						int x = border + len * (size / 2) + (size - small.Width) / 2;
						int y = border + len * (size / 2) + (size - small.Height) / 2;
						Pixbuf box = new Pixbuf (container, x - border, y - border,
							             small.Width + 2 * border, small.Height + 2 * border);

						box.Fill (0x000000ff);
						small.CopyArea (0, 0, small.Width, small.Height, container, x, y);

						thumbnail.Dispose ();
						small.Dispose ();
						use_icon = true;
					}
				}
				if (use_icon)
					Gtk.Drag.SetIconPixbuf (args.Context, container, 0, 0);
				container.Dispose ();
			}
		}