[]
Gets or sets the length of the arrowhead at the beginning of the specified line.
Use this method to retrieve the current ArrowheadLength setting for the line's beginning arrowhead.
ArrowheadLength BeginArrowheadLength { get; set; }
Property BeginArrowheadLength As ArrowheadLength
IShape connector = worksheet.Shapes.AddConnector(ConnectorType.Straight, 10, 10, 200, 100);
ILineFormat line = connector.Line;
line.BeginArrowheadStyle = ArrowheadStyle.Triangle;
line.BeginArrowheadLength = ArrowheadLength.Long;
ArrowheadLength length = line.BeginArrowheadLength;