ArcObjects Library Reference (Geometry)  

IPath.QueryChordLengthTangents Method

Returns tangent vectors (relative to corresponding endpoint) at both sides of a Bezier end point; and whether they have been set by user or by smoothing process.

[Visual Basic .NET]
Public Sub QueryChordLengthTangents ( _
    ByVal pointIndex As Integer, _
    ByVal prevTangent As IPoint, _
    ByRef prevSetByUser As Boolean, _
    ByVal nextTangent As IPoint, _
    ByRef nextSetByUser As Boolean _
)
[C#]
public void QueryChordLengthTangents (
    int pointIndex,
    IPoint prevTangent,
    ref bool prevSetByUser,
    ref IPoint nextTangent,
    ref bool nextSetByUser
);
[C++]
HRESULT QueryChordLengthTangents(
  long pointIndex,
  IPoint* prevTangent,
  VARIANT_BOOL* prevSetByUser,
  IPoint* nextTangent,
  VARIANT_BOOL* nextSetByUser
);
[C++]

Parameters

pointIndex   pointIndex is a parameter of type long prevTangent

  prevTangent is a parameter of type IPoint

prevSetByUser [in, out]   prevSetByUser is a parameter of type VARIANT_BOOL nextTangent

  nextTangent is a parameter of type IPoint

nextSetByUser [in, out]   nextSetByUser is a parameter of type VARIANT_BOOL

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

See Also

IPath Interface