Point ComputeStartPoint(IConnectable firstPoint, IConnectable nextPoint, ref double startPointRelativePos, ref ConnectorDocking docking, ref ulong connectorStartPort)
{
var start = _startPointHint;
if (docking == ConnectorDocking.Undefined)
{
start = firstPoint.GetPreferredConnectorStart(start, out startPointRelativePos, out docking, out connectorStartPort);
if (connectorStartPort == 0)
{
start = ConnectorUtilities.ComputeCenter(nextPoint.Bounds);
start = firstPoint.GetPreferredConnectorStart(start, out startPointRelativePos, out docking, out connectorStartPort);
}
}
else
{
start = firstPoint.GetConnectorPoint(docking, startPointRelativePos, connectorStartPort);
}
return(start);
}
