C# Forms.ImageListViewItem类代码示例

		public void EditThumb(ImageListViewItem item)
		{
			mItem = item;
			var videoInfo = GetVideoDetails(mItem.FilePath);
			mDuration = (double)videoInfo[ColumnType.Duration];
			mWidth = (int)videoInfo[ColumnType.Width];
			mHeight = (int)videoInfo[ColumnType.Width];
			thumbSampler.Value = 0;
			thumbDurationLabel.Text = GalleryUtility.SecondsToTime((int)mDuration);
			string thumbName = ThumbUtility.GetThumbPath(mItem.FilePath);

			if (item.ThumbnailCacheState == CacheState.Cached)
			{
				thumbViewer.Image = (Image)mItem.ThumbnailImage;
			}
			else if (File.Exists(thumbName))
			{
				using (Image img = Image.FromFile(thumbName))
					thumbViewer.Image = new Bitmap(img);
			}
			else
			{
				MessageBox.Show("Thumbnail \"" + thumbName + "\" doesn't exist.");
			}
			CenterToScreen();
			Show(mParent);
			mParent.Enabled = false;
		}

		private void PopulateListView(DirectoryInfo dirPath)//, Func<FileInfo, Object> comp)
		{
			var infoList = dirPath.GetFiles("*.*").OrderByDescending(x => x.CreationTime);
			imageListView1.Items.Clear();
			imageListView1.SuspendLayout();
			foreach (FileInfo info in infoList)
			{
				if (ArchiveThumbEditor.CheckExtension(info.Name) || VideoThumbEditor.CheckExtension(info.Name))
				{
					ImageListViewItem item = new ImageListViewItem(info.FullName, Path.GetFileNameWithoutExtension(info.Name) + info.Name.ToUpperInvariant());
					imageListView1.Items.Add(item, mAdaptor);
				}
			}
			imageListView1.ResumeLayout();
			mFilter.Snapshot();
		}

		public void EditThumb(ImageListViewItem item)
		{
			string filePath = item.FilePath;
			if (VideoThumbEditor.CheckExtension(filePath))
			{
				if (mVideoThumbEditor == null)
					mVideoThumbEditor = new VideoThumbEditor(mForm);
				mVideoThumbEditor.EditThumb(item);
			}
			else if (ArchiveThumbEditor.CheckExtension(filePath))
			{
				if (mArchiveThumbEditor == null)
					mArchiveThumbEditor = new ArchiveThumbEditor(mForm);
				mArchiveThumbEditor.EditThumb(item);
			}
		}

		public void EditThumb(ImageListViewItem item)
		{
			if (File.Exists(item.FilePath))
			{
				long fileSize = new FileInfo(item.FilePath).Length;
				if (fileSize > mLargeFileThreshold)
				{
					DialogResult res = MessageBox.Show("This is a large file (" +
							fileSize / 1024 / 1024 / 1024
							+ "GB) and takes time to be decompressed. Continue?",
							"Confirm going on", MessageBoxButtons.YesNo);
					if (res == DialogResult.No)
						return;
				}
				if (item.ThumbnailCacheState == CacheState.Cached)
				{
					thumbViewer.Image = (Image)item.ThumbnailImage;
				}
				else
				{
					thumbViewer.Image = null;
				}
				mItem = item;
				this.Text = item.FilePath;

				CenterToScreen();
				Show(mParent);
				mParent.Enabled = false;

				ProgressDialog progress = new ProgressDialog("Extracting files...", ListArchiveContent);
				progress.ShowDialog();
				string[] fileNameList = (string[])progress.GetResult();
				if (fileNameList != null)
				{
					archiveViewer.Items.AddRange(fileNameList);
				}
				else
				{
					CloseEditor();
				}
				progress.Dispose();
			}
			else
			{
				MessageBox.Show("File " + item.FilePath + " does not exists!");
			}
		}

 public override void DrawItem(Graphics g, ImageListViewItem item, ItemState state, Rectangle bounds)
 {
     base.DrawItem(g, item, state, bounds);
     PhotoInfo p = item.Tag as PhotoInfo;
     if (ImageListView.View != View.Details && p != null && p.Flickr.Uploaded != null) {
         // Draw the image
         Image img = item.ThumbnailImage;
         if (img != null) {
             Size itemPadding = new Size(4, 4);
             Rectangle pos = GetSizedImageBounds(img, new Rectangle(bounds.Location + itemPadding, ImageListView.ThumbnailSize));
             Image overlayImage = Resource1.Uploaded;
             int w = Math.Min(overlayImage.Width, pos.Width);
             int h = Math.Min(overlayImage.Height, pos.Height);
             g.DrawImage(overlayImage, pos.Left, pos.Bottom - h, w, h);
         }
     }
 }

        /// <summary>
        /// Draws the specified item on the given graphics.
        /// </summary>
        /// <param name="g">The System.Drawing.Graphics to draw on.</param>
        /// <param name="item">The ImageListViewItem to draw.</param>
        /// <param name="state">The current view state of item.</param>
        /// <param name="bounds">The bounding rectangle of item in client coordinates.</param>
        public override void DrawItem(Graphics g, ImageListViewItem item, ItemState state, Rectangle bounds)
        {
            if (item.Index == mImageListView.layoutManager.FirstPartiallyVisible ||
                item.Index == mImageListView.layoutManager.LastPartiallyVisible)
            {
                using (Brush b = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Green, Color.Transparent))
                {
                    g.FillRectangle(b, bounds);
                }
            }
            if (item.Index == mImageListView.layoutManager.FirstVisible ||
                item.Index == mImageListView.layoutManager.LastVisible)
            {
                using (Brush b = new HatchBrush(HatchStyle.ForwardDiagonal, Color.Red, Color.Transparent))
                {
                    g.FillRectangle(b, bounds);
                }
            }

            base.DrawItem(g, item, state, bounds);
        }

		/// <summary>
		/// Raises the DropFiles event.
		/// </summary>
		/// <param name="e">A DropFileEventArgs that contains event data.</param>
		protected virtual void OnDropFiles(DropFileEventArgs e)
		{
			if (DropFiles != null)
				DropFiles(this, e);

			if (e.Cancel)
				return;

			int index = e.Index;
			int firstItemIndex = 0;
			mSelectedItems.Clear(false);

			// Add items
			bool first = true;
			foreach (string filename in e.FileNames)
			{
				ImageListViewItem item = new ImageListViewItem(filename);
				if (first || MultiSelect)
				{
					item.mSelected = true;
					first = false;
				}

				bool inserted = mItems.InsertInternal(index, item, defaultAdaptor);

				if (firstItemIndex == 0)
					firstItemIndex = item.Index;

				if (inserted)
					index++;
			}

			EnsureVisible(firstItemIndex);
			OnSelectionChangedInternal();
		}

 /// <summary>
 /// Determines whether the item is highlighted.
 /// </summary>
 public ItemHighlightState HighlightState(ImageListViewItem item)
 {
     bool highlighted = false;
     if (highlightedItems.TryGetValue(item, out highlighted))
     {
         if (highlighted)
             return ItemHighlightState.HighlightedAndSelected;
         else
             return ItemHighlightState.HighlightedAndUnSelected;
     }
     return ItemHighlightState.NotHighlighted;
 }

 /// <summary>
 /// Updates item details.
 /// This method is invoked from the item cache thread.
 /// </summary>
 internal void UpdateItemDetailsInternal(ImageListViewItem item, Utility.ShellImageFileInfo info)
 {
     item.UpdateDetailsInternal(info);
 }

 private void ShowSaved()
 {
     imageListView1.ShowCheckBoxes = false;
     var db = new SqLiteDatabase();
     var query = "SELECT * FROM arts_" + _seriesId;
     try
     {
         var dt = db.GetDataTable(query);
         imageListView1.Items.Clear();
         for (var i = 0; i < dt.Rows.Count; i++)
         {
             DataRow drow = dt.Rows[i];
             var img1 = new ImageListViewItem {FileName = @drow["image"].ToString()};
             imageListView1.Items.AddRange(new[] { img1 });
         }
     }
     catch(Exception e){
         Console.WriteLine(e.Message);
         var createTable = "CREATE TABLE " + "arts_" + _seriesId + "("
                     + "_id" + " INTEGER PRIMARY KEY,"
                     + "image" + " TEXT"
                     +
                     ")";
         var adb = new ArtsDatabaseEntry(
             "res/" + _seriesName + "_banner.jpg");
         var adb2 = new ArtsDatabaseEntry("res/" + _seriesName + "_poster.jpg");
         var adb3 = new ArtsDatabaseEntry(
             "res/" + _seriesName + "_fanart.jpg");
         try
         {
             db.CreateTable(createTable);
             db.InsertArts(adb, "arts_" + _seriesId);
             db.InsertArts(adb2, "arts_" + _seriesId);
             db.InsertArts(adb3, "arts_" + _seriesId);
             ShowSaved();
         }
         catch (Exception crap)
         {
             MessageBox.Show(crap.Message);
         }
     }
 }

 /// <summary>
 /// Initializes a new instance of the ThumbnailCachedEventArgs class.
 /// </summary>
 /// <param name="item">The item that is the target of this event.</param>
 /// <param name="thumbnail">The cached thumbnail image.</param>
 /// <param name="size">The size of the thumbnail request.</param>
 /// <param name="thumbnailImage">true if the cached image is a thumbnail image; otherwise false
 /// if the image is a large image for gallery or pane views.</param>
 public ThumbnailCachedEventArgs(ImageListViewItem item, Image thumbnail, Size size, bool thumbnailImage)
 {
     Item = item;
     Thumbnail = thumbnail;
     Size = size;
     IsThumbnail = thumbnailImage;
 }

 /// <summary>
 /// Initializes a new instance of the ItemEventArgs class.
 /// </summary>
 /// <param name="item">The item that is the target of this event.</param>
 public ItemEventArgs(ImageListViewItem item)
 {
     Item = item;
 }

 /// <summary>
 /// Draws the large preview image of the focused item in Gallery mode.
 /// </summary>
 /// <param name="g">The System.Drawing.Graphics to draw on.</param>
 /// <param name="item">The ImageListViewItem to draw.</param>
 /// <param name="image">The image to draw.</param>
 /// <param name="bounds">The bounding rectangle of the preview area.</param>
 public override void DrawGalleryImage(Graphics g, ImageListViewItem item, Image image, Rectangle bounds)
 {
     if (item != null && image != null)
     {
         Size itemMargin = MeasureItemMargin(ImageListView.View);
         Rectangle pos = Utility.GetSizedImageBounds(image, new Rectangle(bounds.X + itemMargin.Width, bounds.Y + itemMargin.Height, bounds.Width - 2 * itemMargin.Width, bounds.Height - 2 * itemMargin.Height - mReflectionSize), 50.0f, 100.0f);
         DrawImageWithReflection(g, image, pos, mReflectionSize);
     }
 }

            /// <summary>
            /// Draws the specified item on the given graphics.
            /// </summary>
            /// <param name="g">The System.Drawing.Graphics to draw on.</param>
            /// <param name="item">The ImageListViewItem to draw.</param>
            /// <param name="state">The current view state of item.</param>
            /// <param name="bounds">The bounding rectangle of item in client coordinates.</param>
            public override void DrawItem(Graphics g, ImageListViewItem item, ItemState state, Rectangle bounds)
            {
                if (ImageListView.View == Manina.Windows.Forms.View.Thumbnails)
                {
                    // Zoom on mouse over
                    if ((state & ItemState.Hovered) != ItemState.None)
                    {
                        bounds.Inflate((int)(bounds.Width * mZoomRatio), (int)(bounds.Height * mZoomRatio));
                        if (bounds.Bottom > ItemAreaBounds.Bottom)
                            bounds.Y = ItemAreaBounds.Bottom - bounds.Height;
                        if (bounds.Top < ItemAreaBounds.Top)
                            bounds.Y = ItemAreaBounds.Top;
                        if (bounds.Right > ItemAreaBounds.Right)
                            bounds.X = ItemAreaBounds.Right - bounds.Width;
                        if (bounds.Left < ItemAreaBounds.Left)
                            bounds.X = ItemAreaBounds.Left;
                    }

                    // Get item image
                    Image img = null;
                    if ((state & ItemState.Hovered) != ItemState.None)
                        img = GetImageAsync(item, new Size(bounds.Width - 8, bounds.Height - 8));
                    if (img == null) img = item.ThumbnailImage;

                    // Calculate image bounds
                    Rectangle pos = Utility.GetSizedImageBounds(img, Rectangle.Inflate(bounds, -4, -4));
                    int imageWidth = pos.Width;
                    int imageHeight = pos.Height;
                    int imageX = pos.X;
                    int imageY = pos.Y;

                    // Allocate space for item text
                    if ((state & ItemState.Hovered) != ItemState.None &&
                        (bounds.Height - imageHeight) / 2 < ImageListView.Font.Height + 8)
                    {
                        int delta = (ImageListView.Font.Height + 8) - (bounds.Height - imageHeight) / 2;
                        bounds.Height += 2 * delta;
                        imageY += delta;
                    }

                    // Paint background
                    using (Brush bBack = new SolidBrush(ImageListView.BackColor))
                    {
                        Utility.FillRoundedRectangle(g, bBack, bounds, 5);
                    }
                    using (Brush bItemBack = new SolidBrush(item.BackColor))
                    {
                        Utility.FillRoundedRectangle(g, bItemBack, bounds, 5);
                    }
                    if ((ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None)) ||
                        (!ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None) && ((state & ItemState.Hovered) != ItemState.None)))
                    {
                        using (Brush bSelected = new LinearGradientBrush(bounds, Color.FromArgb(16, SystemColors.Highlight), Color.FromArgb(64, SystemColors.Highlight), LinearGradientMode.Vertical))
                        {
                            Utility.FillRoundedRectangle(g, bSelected, bounds, 5);
                        }
                    }
                    else if (!ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
                    {
                        using (Brush bGray64 = new LinearGradientBrush(bounds, Color.FromArgb(16, SystemColors.GrayText), Color.FromArgb(64, SystemColors.GrayText), LinearGradientMode.Vertical))
                        {
                            Utility.FillRoundedRectangle(g, bGray64, bounds, 5);
                        }
                    }
                    if (((state & ItemState.Hovered) != ItemState.None))
                    {
                        using (Brush bHovered = new LinearGradientBrush(bounds, Color.FromArgb(8, SystemColors.Highlight), Color.FromArgb(32, SystemColors.Highlight), LinearGradientMode.Vertical))
                        {
                            Utility.FillRoundedRectangle(g, bHovered, bounds, 5);
                        }
                    }

                    // Draw the image
                    g.DrawImage(img, imageX, imageY, imageWidth, imageHeight);

                    // Draw image border
                    if (Math.Min(imageWidth, imageHeight) > 32)
                    {
                        using (Pen pGray128 = new Pen(Color.FromArgb(128, Color.Gray)))
                        {
                            g.DrawRectangle(pGray128, imageX, imageY, imageWidth, imageHeight);
                        }
                        if (System.Math.Min(imageWidth, imageHeight) > 32)
                        {
                            using (Pen pWhite128 = new Pen(Color.FromArgb(128, Color.White)))
                            {
                                g.DrawRectangle(pWhite128, imageX + 1, imageY + 1, imageWidth - 2, imageHeight - 2);
                            }
                        }
                    }

                    // Draw item text
                    if ((state & ItemState.Hovered) != ItemState.None)
//.........这里部分代码省略.........

 /// <summary>
 /// Draws the checkbox icon for the specified item on the given graphics.
 /// </summary>
 /// <param name="g">The System.Drawing.Graphics to draw on.</param>
 /// <param name="item">The ImageListViewItem to draw.</param>
 /// <param name="bounds">The bounding rectangle of the checkbox in client coordinates.</param>
 public override void DrawCheckBox(Graphics g, ImageListViewItem item, Rectangle bounds)
 {
     ;
 }