ArcGIS Developer Help

IMSegmentation3.QueryFirstLastM Method

Returns the first and last defined M value for the curve.

[Visual Basic .NET]
Public Sub QueryFirstLastM ( _
    ByRef firstM As Double, _
    ByRef lastM As Double _
)

[C#]
public void QueryFirstLastM (
    ref double firstM,
    ref double lastM
);

[C++]
HRESULT QueryFirstLastM(
  System.Double* firstM,
  System.Double* lastM
);

[C++]
Parameters
firstM [out]

  firstM is a parameter of type double*
lastM [out]

  lastM is a parameter of type double*

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

QueryFirstLastM returns the first and the last Non-NAN Ms on the polyline. If all the vertex attributes are NANs then NANs are returned.

Note : NAN stands for Not A Number.