AcMapTopology:: GetForwardEdge Method
Retrieves the half edge with the specified object ID from this topology model.
AcMap::EErrCode GetForwardEdge(
AcMapTopoHalfEdge*& pHalfEdge,
long lFullEdgeId
);|
Parameters |
Description |
|
pHalfEdge |
Output AcMapTopoHalfEdgehalf edge object. This value points to a copy of the half edge referenced by the specified half edge object ID. The caller is responsible for freeing this object. |
|
lFullEdgeId |
Input full edge ID. |
Returns
Returns AcMap::EErrCode kOk if successful. Returns AcMap::kErrWrongType if the topology is not a polygon. Returns AcMap::kErrBadInput if the full edge ID is invalid.
Remarks
The direction of the half edge is from the start node to the end node of the full edge.
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