C# IVwSelection.EndPoint方法代码示例

		/// <summary>
		/// Return a word selection based on the beginning of the current selection.
		/// Here the "beginning" of the selection is the offset corresponding to word order,
		/// not the selection anchor.
		/// </summary>
		/// <returns>null if we couldn't handle the selection</returns>
		private static IVwSelection SelectionBeginningGrowToWord(IVwSelection sel)
		{
			if (sel == null)
				return null;
			var sel2 = sel.EndBeforeAnchor ? sel.EndPoint(true) : sel.EndPoint(false);
			if (sel2 == null)
				return null;
			var sel3 = sel2.GrowToWord();
			return sel3;
		}

		public void FindInDictionary(IOleDbEncap ode, IFwMetaDataCache mdc, IVwOleDbDa oleDbAccess, IVwSelection sel)
		{
			using (FdoCache cache = new FdoCache(ode, mdc, oleDbAccess))
			{
				if (sel == null)
					return;
				IVwSelection sel2 = sel.EndPoint(false);
				if (sel2 == null)
					return;
				IVwSelection sel3 = sel2.GrowToWord();
				if (sel3 == null)
					return;
				ITsString tss;
				int ichMin, ichLim, hvo, tag, ws;
				bool fAssocPrev;
				sel3.TextSelInfo(false, out tss, out ichMin, out fAssocPrev, out hvo, out tag, out ws);
				sel3.TextSelInfo(true, out tss, out ichLim, out fAssocPrev, out hvo, out tag, out ws);
				// TODO (TimS): need to supply help information (last 2 params)
				LexEntryUi.DisplayOrCreateEntry(cache, hvo, tag, ws, ichMin, ichLim, null, null, null, string.Empty);
				return;
			}
		}

		/// <summary>
		/// Return a word selection based on the beginning of the current selection.
		/// Here the "beginning" of the selection is the offset corresponding to word order,
		/// not the selection anchor.
		/// </summary>
		/// <returns>null if we couldn't handle the selection</returns>
		private IVwSelection SelectionBeginningGrowToWord(IVwSelection sel)
		{
			if (sel == null)
				return null;
			// REVISIT (EricP) Need to check if Ws is IsRightToLeft?
			var sel2 = sel.EndBeforeAnchor ? sel.EndPoint(true) : sel.EndPoint(false);
			if (sel2 == null)
				return null;
			var sel3 = sel2.GrowToWord();
			return sel3;
		}

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Assuming the selection can be expanded to a word and a corresponding LexEntry can
		/// be found, show the related words dialog with the words related to the selected one.
		/// </summary>
		/// <param name="cache">The cache.</param>
		/// <param name="sel">The sel.</param>
		/// <param name="owner">The owner.</param>
		/// <param name="mediatorIn"></param>
		/// <param name="helpProvider"></param>
		/// <param name="helpFileKey"></param>
		/// ------------------------------------------------------------------------------------
		public static void DisplayRelatedEntries(FdoCache cache, IVwSelection sel, IWin32Window owner,
			Mediator mediatorIn, IHelpTopicProvider helpProvider, string helpFileKey)
		{
			if (sel == null)
				return;
			IVwSelection sel2 = sel.EndPoint(false);
			if (sel2 == null)
				return;
			IVwSelection sel3 = sel2.GrowToWord();
			if (sel3 == null)
				return;
			ITsString tss;
			int ichMin, ichLim, hvo, tag, ws;
			bool fAssocPrev;
			sel3.TextSelInfo(false, out tss, out ichMin, out fAssocPrev, out hvo, out tag, out ws);
			sel3.TextSelInfo(true, out tss, out ichLim, out fAssocPrev, out hvo, out tag, out ws);
			if (tss.Text == null)
				return;
			ITsString tssWf = tss.GetSubstring(ichMin, ichLim);
			using (LexEntryUi leui = FindEntryForWordform(cache, tssWf))
			{
				// This doesn't work as well (unless we do a commit) because it may not see current typing.
				//LexEntryUi leui = LexEntryUi.FindEntryForWordform(cache, hvo, tag, ichMin, ichLim);
				if (leui == null)
				{
					if (tssWf != null && tssWf.Length > 0)
						RelatedWords.ShowNotInDictMessage(owner);
					return;
				}
				int hvoEntry = leui.Object.Hvo;
				int[] domains;
				int[] lexrels;
				IVwCacheDa cdaTemp;
				if (!RelatedWords.LoadDomainAndRelationInfo(cache, hvoEntry, out domains, out lexrels, out cdaTemp, owner))
					return;
				StringTable stOrig;
				Mediator mediator;
				IVwStylesheet styleSheet;
				bool fRestore = EnsureFlexTypeSetup(cache, mediatorIn, out stOrig, out mediator, out styleSheet);
				using (RelatedWords rw = new RelatedWords(cache, sel3, hvoEntry, domains, lexrels, cdaTemp, styleSheet, mediatorIn, false))
				{
					rw.ShowDialog(owner);
				}
				if (fRestore)
					mediator.StringTbl = stOrig;
			}
		}