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The spatial reference of the source data used by the router object.
[Visual Basic .NET]
Public ReadOnly Property ProjectionString As String
[C#]
public string ProjectionString {get;}
[C++]
HRESULT get_ProjectionString(
void
);
Returns the projection string that corresponds to projection information of the routing data which the router object was created on.
Projection string is returned in the same format as the CreateESRISpatialReferenceFromPRJ() method of the ISpatialReferenceFactory.