ICSharpCode.TextEditor.Document.SelectionManager.GetSelectionAtLine C# (CSharp) 메소드

        public ColumnRange GetSelectionAtLine(int lineNumber)
        {
            foreach (ISelection selection in selectionCollection) {
                int startLine = selection.StartPosition.Y;
                int endLine   = selection.EndPosition.Y;
                if (startLine < lineNumber && lineNumber < endLine) {
                    return ColumnRange.WholeColumn;
                }

                if (startLine == lineNumber) {
                    LineSegment line = document.GetLineSegment(startLine);
                    int startColumn = selection.StartPosition.X;
                    int endColumn   = endLine == lineNumber ? selection.EndPosition.X : line.Length + 1;
                    return new ColumnRange(startColumn, endColumn);
                }

                if (endLine == lineNumber) {
                    int endColumn   = selection.EndPosition.X;
                    return new ColumnRange(0, endColumn);
                }
            }

            return ColumnRange.NoColumn;
        }