BExplorer.Shell.ToolTip.DelayTimer_Tick C# (CSharp) Method

		void DelayTimer_Tick(object sender, EventArgs e) {
			_DelayTimer.Stop();

			var t = new Thread(() => {
				var clonedCurrentItem = this.CurrentItem.Clone();
				var tooltip = clonedCurrentItem.ToolTipText;
				if (String.IsNullOrEmpty(tooltip) && Type == 1) {
					Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Background, (ThreadStart)(this.Hide));
					return;
				}
				Contents = Type == 0 ? $"{clonedCurrentItem.DisplayName}\r\n{clonedCurrentItem.ToolTipText}" : clonedCurrentItem.ToolTipText;
				RaisePropertyChanged("Contents");

				// BE-557: clonedCurrentItem.GetPropertyValue returned VT_EMPTY, edge case included to handle this
				var perceivedTypeProperty = clonedCurrentItem.GetPropertyValue(
					SystemProperties.PerceivedType,
					typeof(PerceivedType));
				if (perceivedTypeProperty.VarType != VarEnum.VT_EMPTY
					&& ((PerceivedType)perceivedTypeProperty.Value) == PerceivedType.Image && !clonedCurrentItem.IsFolder)
				{
					var image = clonedCurrentItem.ThumbnailSource(
						350,
						ShellThumbnailFormatOption.Default,
						ShellThumbnailRetrievalOption.Default);
					image.Freeze();
					this.Image = image;
					RaisePropertyChanged("Image");
					this.FileNameWidth = this.Image.Width - 110;
					RaisePropertyChanged("FileNameWidth");

					try
					{
						var ratingValue = clonedCurrentItem.GetPropertyValue(MediaProperties.Rating, typeof(Double)).Value;
						var rating = ratingValue == null ? 0 : Convert.ToDouble(ratingValue) / 20D;
						this.Rating = rating;
						RaisePropertyChanged("Rating");
						this.Dimentions =
							((Math.Ceiling(
									Convert.ToDouble(clonedCurrentItem.GetPropertyValue(SystemProperties.FileSize, typeof(double)).Value))
								/ 1024).ToString("# ### ### ##0") + " KB ("
								+ clonedCurrentItem.GetPropertyValue(MediaProperties.Dimensions, typeof(String)).Value.ToString()
								+ " px )").Trim();
						RaisePropertyChanged("Dimentions");
					}
					catch (NullReferenceException)
					{
					}
					this.FileName = Path.GetFileName(clonedCurrentItem.ParsingName)?.Trim();
					RaisePropertyChanged("FileName");
				}
				else
				{
					var image = clonedCurrentItem.ThumbnailSource(
						64,
						ShellThumbnailFormatOption.Default,
						ShellThumbnailRetrievalOption.Default);
					image.Freeze();
					this.Image = image;
					RaisePropertyChanged("Image");
				}


				Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Background, (ThreadStart)(() => {
					var lvi = new LVITEMINDEX();
					lvi.iItem = this.ItemIndex;
					lvi.iGroup = this._View.GetGroupIndex(this.ItemIndex);
					var bounds = new User32.RECT();
					User32.SendMessage(this._View.LVHandle, MSG.LVM_GETITEMINDEXRECT, ref lvi, ref bounds);
					var rect = new System.Drawing.Rectangle(bounds.Left, bounds.Top, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
					var posm = User32.GetCursorPosition();
					var mousePos = this._View.PointToClient(posm);
					var isInsideItem = rect.Contains(mousePos);

					if (isInsideItem)
						this.Show();
					else
						this.Hide();

				}));
			});
			t.SetApartmentState(ApartmentState.STA);
			t.Start();
		}