コード例 #1
0
ファイル: Navigation.cs プロジェクト: AlexanderSher/RTVS-Old
        /// <summary>
        /// Activates a text view for a text buffer, and sets the cursor to a specific location
        /// </summary>
        public static bool NavigateToTextBuffer(ITextBuffer textBuffer, int start, int length) {
            IProjectionSnapshot projectionSnapshot = textBuffer.CurrentSnapshot as IProjectionSnapshot;

            if (projectionSnapshot != null) {
                // Find the main buffer for the view

                SnapshotPoint sourcePoint = new SnapshotPoint();
                bool success = true;

                try {
                    sourcePoint = projectionSnapshot.MapToSourceSnapshot(start, PositionAffinity.Successor);
                } catch (ArgumentOutOfRangeException) {
                    success = false;
                } catch (InvalidOperationException) {
                    success = false;
                }

                if (success) {
                    return NavigateToTextBuffer(sourcePoint.Snapshot.TextBuffer, sourcePoint.Position, length);
                }
            } else {
                // This is the main buffer for the view

                IVsTextManager textManager = VsAppShell.Current.GetGlobalService<IVsTextManager>(typeof(SVsTextManager));
                IVsTextBuffer vsTextBuffer = textBuffer.QueryInterface<IVsTextBuffer>();
                Guid viewType = VSConstants.LOGVIEWID_TextView;

                if (vsTextBuffer != null &&
                    ErrorHandler.Succeeded(textManager.NavigateToPosition(vsTextBuffer, ref viewType, start, length))) {
                    return true;
                }
            }

            return false;
        }