C# IVwRootBox.PropChanged方法代码示例

		// Simiulate inserting and deleting the paragraph to get it redisplayed.
		private static void UpdateDisplayOfPara(IStTxtPara para, IVwRootBox sourceRootBox)
		{
			if (sourceRootBox != null)
				sourceRootBox.PropChanged(para.Owner.Hvo, para.OwningFlid, para.IndexInOwner, 1, 1);
		}

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Toggle the expansion state of the given item
		/// </summary>
		/// <param name="hvo">The ID of the object to expand/collapse</param>
		/// <param name="rootbox">The rootbox of the caller, which will be notified of the change
		/// (hence causing the appropriate fragments in this VC to get laid out)</param>
		/// <returns>true if the item is expanded. Otherwise, false.</returns>
		/// ------------------------------------------------------------------------------------
		public bool ToggleItemExpansion(int hvo, IVwRootBox rootbox)
		{
			if (m_expandTable.ContainsKey(hvo))
				m_expandTable.Remove(hvo);
			else
			{
				m_expandTable[hvo] = true;
				OpenNoteFieldsWithContent(hvo, rootbox);
			}

			rootbox.PropChanged(hvo, m_expansionTag, 0, 0, 0);
			return m_expandTable.ContainsKey(hvo);
		}

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Expand the item if it is collapsed.
		/// </summary>
		/// <param name="hvo">hvo of the item to expand</param>
		/// <param name="root">The rootbox.</param>
		/// ------------------------------------------------------------------------------------
		public void ExpandItem(int hvo, IVwRootBox root)
		{
			if (!m_expandTable.ContainsKey(hvo))
			{
				m_expandTable[hvo] = true;
				root.PropChanged(hvo, m_expansionTag, 0, 0, 0);
			}
		}

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Notifies a paragraph that needs to have its highlighting refreshed.
		/// </summary>
		/// <param name="para"></param>
		/// <param name="rootBox"></param>
		/// ------------------------------------------------------------------------------------
		private void NotifyParagraph(IScrTxtPara para, IVwRootBox rootBox)
		{
			// Paragraph may have been deleted and no longer be valid
			if (para.IsValidObject && rootBox != null)
				rootBox.PropChanged(para.Hvo, StParaTags.kflidStyleRules, 0, 1, 1);
		}