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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,
Boolean* prevSetByUser,
IPoint* nextTangent,
Boolean* 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 bool* nextTangent
nextTangent is a parameter of type IPoint* nextSetByUser [in, out]
nextSetByUser is a parameter of type bool*