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Gets or sets whether the object is visible.
Use this property to check whether the line for the shape is currently displayed.
bool Visible { get; set; }
Property Visible As Boolean
IShape connector = worksheet.Shapes.AddConnector(ConnectorType.Straight, 10, 10, 200, 100);
ILineFormat line = connector.Line;
line.Visible = false;
bool visible = line.Visible;