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Gets or sets the style of the arrowhead at the beginning of the specified line.
Use this method to retrieve the current ArrowheadStyle applied to the beginning of a connector or shape line.
ArrowheadStyle BeginArrowheadStyle { get; set; }
Property BeginArrowheadStyle As ArrowheadStyle
IShape connector = worksheet.Shapes.AddConnector(ConnectorType.Straight, 10, 10, 200, 100);
ILineFormat line = connector.Line;
line.BeginArrowheadStyle = ArrowheadStyle.Triangle;
ArrowheadStyle style = line.BeginArrowheadStyle;