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Returns whether the end of the connector is connected to a shape.
Returns true if the end of the specified connector is connected to a shape.
Use this property after EndConnect(IShape, int) to determine whether the
connector's end point is currently attached.
bool EndConnected { get; }
ReadOnly Property EndConnected As Boolean
IShape connectedShape = worksheet.Shapes.AddShape(AutoShapeType.Rectangle, 200, 20, 100, 60);
IShape connector = worksheet.Shapes.AddConnector(ConnectorType.Straight, 70, 50, 180, 50);
connector.ConnectorFormat.EndConnect(connectedShape, 1);
bool endConnected = connector.ConnectorFormat.EndConnected;