C# ItemState类代码示例

        public OpenPullRequestMonitor(TimeSpan timespan, ItemState state=ItemState.Open)
        {
            var pollingPeriod = timespan.TotalMilliseconds;
            _timer = new Timer(pollingPeriod) {AutoReset = true};
            _timer.Elapsed += (sender, eventArgs) =>
            {
                var prs = 0;
                Task.Run(async () =>
                {
                    var requests = await PollGitHub(state);
                    prs = requests.Count;
                    _pr = requests.FirstOrDefault();
                    Console.WriteLine("Polled PR count:" + prs);
                }).Wait();

                if (prs > OpenPrs)
                {
                    var soundPlayer = new SoundPlayer("fanfare3.wav");
                    soundPlayer.PlaySync();
                    if (_pr != null)
                    {
                        var speech = new SpeechSynthesizer();
                        speech.Speak("New pull request.");
                        speech.Speak(_pr.Title);
                    }

                    OpenPrs = prs;
                }
                else if (prs < OpenPrs)
                {
                    OpenPrs = prs;
                }
            };
        }

 public PullRequest(Uri url, Uri htmlUrl, Uri diffUrl, Uri patchUrl, Uri issueUrl, Uri statusesUrl, int number, ItemState state, string title, string body, DateTimeOffset createdAt, DateTimeOffset updatedAt, DateTimeOffset? closedAt, DateTimeOffset? mergedAt, GitReference head, GitReference @base, User user, User assignee, bool? mergeable, User mergedBy, int comments, int commits, int additions, int deletions, int changedFiles)
 {
     Url = url;
     HtmlUrl = htmlUrl;
     DiffUrl = diffUrl;
     PatchUrl = patchUrl;
     IssueUrl = issueUrl;
     StatusesUrl = statusesUrl;
     Number = number;
     State = state;
     Title = title;
     Body = body;
     CreatedAt = createdAt;
     UpdatedAt = updatedAt;
     ClosedAt = closedAt;
     MergedAt = mergedAt;
     Head = head;
     Base = @base;
     User = user;
     Assignee = assignee;
     Mergeable = mergeable;
     MergedBy = mergedBy;
     Comments = comments;
     Commits = commits;
     Additions = additions;
     Deletions = deletions;
     ChangedFiles = changedFiles;
 }

 public static Icon GetIcon(string path, ItemType type, IconSize size, ItemState state)
 {
     var flags = (uint)(Interop.SHGFI_ICON | Interop.SHGFI_USEFILEATTRIBUTES);
     var attribute = (uint)(object.Equals(type, ItemType.Folder) ? Interop.FILE_ATTRIBUTE_DIRECTORY : Interop.FILE_ATTRIBUTE_FILE);
     if (object.Equals(type, ItemType.Folder) && object.Equals(state, ItemState.Open))
     {
         flags += Interop.SHGFI_OPENICON;
     }
     if (object.Equals(size, IconSize.Small))
     {
         flags += Interop.SHGFI_SMALLICON;
     }
     else
     {
         flags += Interop.SHGFI_LARGEICON;
     }
     var shfi = new SHFileInfo();
     var res = Interop.SHGetFileInfo(path, attribute, out shfi, (uint)Marshal.SizeOf(shfi), flags);
     if (object.Equals(res, IntPtr.Zero)) throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
     try
     {
         Icon.FromHandle(shfi.hIcon);
         return (Icon)Icon.FromHandle(shfi.hIcon).Clone();
     }
     catch
     {
         throw;
     }
     finally
     {
         Interop.DestroyIcon(shfi.hIcon);
     }
 }

 public static ImageSource GetImageSource(string directory, Size size, ItemState folderType)
 {
     using (var icon = ShellManager.GetIcon(directory, ItemType.Folder, IconSize.Large, folderType))
     {
         return Imaging.CreateBitmapSourceFromHIcon(icon.Handle, System.Windows.Int32Rect.Empty, BitmapSizeOptions.FromWidthAndHeight((int)size.Width, (int)size.Height));
     }
 }

 public Item(string name, string description, Texture2D image)
 {
     this.name = name;
     this.description = description;
     this.image = image;
     quantity = 1;
     state = ItemState.Positioned;
 }

 public async Task<IReadOnlyList<PullRequest>> PollGitHub(ItemState state = ItemState.Open)
 {
     var gitHubClient = new GitHubClient(new ProductHeaderValue("CalPEATS"));
     gitHubClient.Credentials = new Credentials("***email**", "******");
     var openPullRequests = new PullRequestRequest {State = state };
     var prs = await gitHubClient.PullRequest.GetAllForRepository("calicosol", "CalPEATS", openPullRequests);
     return prs;
 }

 public static void SetupSearch(this Mock<IGitHubClient> github, ItemState state, params Issue[] result)
 {
     github.Setup(x => x.Search.SearchIssues(It.Is<SearchIssuesRequest>(s => s.State == state)))
         .Returns(Task.FromResult(new SearchIssuesResult
         {
             Items = result.ToList(),
             TotalCount = result.Length
         }));
 }

 public TasklistItem(string taskId, string name, ItemState state, int total, int completed)
 {
     this.TaskId = taskId;
     this.Name = name;
     this.Description = String.Empty;
     this.State = state;
     this.Total = total;
     this.Completed = completed;
 }

 /// <summary>Create <see cref="ItemPaintEventArgs"/>.</summary>
 /// <param name="graphics">Graphics surface to draw the item on.</param>
 /// <param name="clipRectangle">Clipping rectangle.</param>
 /// <param name="bounds">Rectangle that represents the bounds of the item that is being drawn.</param>
 /// <param name="index">Index value of the item that is being drawn.</param>
 /// <param name="state">State of the item being drawn.</param>
 /// <param name="hoveredPart">Hovered part of the item.</param>
 /// <param name="hostControlFocused">Host control is focused.</param>
 public SubItemPaintEventArgs(
     Graphics graphics, Rectangle clipRectangle, Rectangle bounds, int index,
     ItemState state, int hoveredPart, bool hostControlFocused,
     int columnIndex, CustomListBoxColumn column)
     : base(graphics, clipRectangle, bounds, index, state, hoveredPart, hostControlFocused)
 {
     _columnIndex = columnIndex;
     _column = column;
 }

 public static ImageSource GetImageSource(string directory, ItemState folderType)
 {
     try
     {
         return GetImageSource(directory, new Size(16, 16), folderType);
     }
     catch
     {
         throw;
     }
 }

        public virtual void DrawButton(Graphics g, Rectangle rectangle, string text, Font font, StringFormat fmt, ItemState state, bool hasBorder, bool enabled)
        {
            float angle = 90;

            if (rectangle.Width > 0 && rectangle.Height > 0)
            {
                if (!enabled)
                {
                    using (Brush backBrush = new LinearGradientBrush(rectangle, Office2003Colors.Default[Office2003Color.Button1], Office2003Colors.Default[Office2003Color.Button2], angle))
                    {
                        g.FillRectangle(backBrush, rectangle);
                    }
                }
                else
                {
                    switch (state)
                    {
                        case ItemState.Normal:
                            using (Brush backBrush = new LinearGradientBrush(rectangle, Office2003Colors.Default[Office2003Color.Button1], Office2003Colors.Default[Office2003Color.Button2], angle))
                                g.FillRectangle(backBrush, rectangle);
                            break;
                        case ItemState.HotTrack:
                            using (Brush trackBrush = new LinearGradientBrush(rectangle, Office2003Colors.Default[Office2003Color.Button1Hot], Office2003Colors.Default[Office2003Color.Button2Hot], angle))
                                g.FillRectangle(trackBrush, rectangle);
                            break;
                        case ItemState.Open:
                        case ItemState.Pressed:
                            using (Brush trackBrush = new LinearGradientBrush(rectangle, Office2003Colors.Default[Office2003Color.Button1Pressed], Office2003Colors.Default[Office2003Color.Button2Pressed], angle))
                                g.FillRectangle(trackBrush, rectangle);
                            break;
                        default:
                            break;
                    }
                }

                if (!string.IsNullOrEmpty(text))
                {
                    if (enabled)
                    {
                        using (SolidBrush br = new SolidBrush(Office2003Colors.Default[Office2003Color.Text]))
                            g.DrawString(text, font, br, rectangle, fmt);
                    }
                    else
                    {
                        using (SolidBrush br = new SolidBrush(Office2003Colors.Default[Office2003Color.TextDisabled]))
                            g.DrawString(text, font, br, rectangle, fmt);
                    }
                }

                if(hasBorder)
                    DrawBorder(g, new Rectangle(rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1), enabled);
            }
        }

 public Milestone(Uri url, int number, ItemState state, string title, string description, User creator, int openIssues, int closedIssues, DateTimeOffset createdAt, DateTimeOffset? dueOn)
 {
     Url = url;
     Number = number;
     State = state;
     Title = title;
     Description = description;
     Creator = creator;
     OpenIssues = openIssues;
     ClosedIssues = closedIssues;
     CreatedAt = createdAt;
     DueOn = dueOn;
 }

        public static void StateSwitch(PointerEventData data, ItemState state,
		                               System.Action<PointerEventData> attachedAction,  
		                               System.Action<PointerEventData> attachedHighlightedAction,  
		                               System.Action<PointerEventData> draggingAction,  
		                               System.Action<PointerEventData> floatingAction,
		                               System.Action<PointerEventData> instantiateAction,
		                               System.Action<PointerEventData> noInstantiateAction)
        {
            switch (state)
            {
            case ItemState.Attached:
                if (attachedAction != null)
                {
                    attachedAction(data);
                }
                break;
            case ItemState.AttachedHighlighted:
                if (attachedHighlightedAction != null)
                {
                    attachedHighlightedAction(data);
                }
                break;
            case ItemState.Dragging:
                if (draggingAction != null)
                {
                    draggingAction(data);
                }
                break;
            case ItemState.Floating:
                if (floatingAction != null)
                {
                    floatingAction(data);
                }
                break;
            case ItemState.Instantiate:
                if (instantiateAction != null)
                {
                    instantiateAction(data);
                }
                break;
            case ItemState.NoInstantiate:
                if (noInstantiateAction != null)
                {
                    noInstantiateAction(data);
                }
                break;
            }
        }

 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);
         }
     }
 }

 public void loadEventItemState(ItemState state)
 {
     itemId = state.id;
     type = EVENT_TYPE;
     level = state.level;
     requiredItems = state.requiredItems;
     restrictedItems = state.restrictedItems;
     leadItems = state.leadItems;
     hideItems = state.hideItems;
     unhideItems = state.unhideItems;
     eventDialogue = state.eventDialogue;
     defaultDialogue = state.defaultDialogue;
     idleDialogue = state.idleDialogue;
     endingPoints = state.endingPoints;
     isInitiallyHidden = state.isInitiallyHidden;
     pt2DefaultDialogue = state.pt2DefaultDialogue;
     pt2EventDialogue = state.pt2EventDialogue;
 }