ArcObjects Library Reference (Geometry)

ISpatialReference.GetMDomain Method

[Visual Basic .NET]
Public Sub GetMDomain ( _
    ByRef outMMin As Double, _
    ByRef outMMax As Double _
)

[C#]
public void GetMDomain (
    ref double outMMin,
    ref double outMMax
);

[C++]
HRESULT GetMDomain(
  double* outMMin,
  double* outMMax
);

[C++]
Parameters
outMMin [out]
  outMMin is a parameter of type double
outMMax [out]
  outMMax is a parameter of type double

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

[C#]

//This code example shows how to get the M domain extent of a dataset.
//Make sure that a M domain exists
private void GetMDomain(IFeatureClass featureClass)
{
    IGeoDataset geoDataset = featureClass as IGeoDataset;
    //get access to SpatialReference through IGeoDataset
    ISpatialReference spatialReference = geoDataset.SpatialReference;
    //get the M domain extent of the dataset
    double mMin;
    double mMax;
    spatialReference.GetMDomain(out mMin, out mMax);
    System.Windows.Forms.MessageBox.Show(mMin + ", " + mMax);
}

[Visual Basic .NET]

    'This code example shows how to get the M domain of a dataset.
    'This example assumes that a valid workspace object has already been 'established.
    Sub GetMDomain_Example(ByVal pWorkspace As IWorkspace)
        Dim pFeatWS As IFeatureWorkspace
        pFeatWS = pWorkspace
        Dim pFeatDS As IFeatureDataset
        pFeatDS = pFeatWS.OpenFeatureDataset("railroad")
        Dim pGeoDataset As IGeoDataset
        pGeoDataset = pFeatDS

        'get access to SpatialReference through IGeoDataset
        Dim pSpatRef As ISpatialReference
        pSpatRef = pGeoDataset.SpatialReference
        'dimension variables that will be used to store the
        'M domain of the dataset
        Dim dMmin As Double
        Dim dMmax As Double
        'get the M domain of the dataset
        pSpatRef.GetMDomain(dMmin, dMmax)
        Debug.Print(dMmin & ", ", dMmax)
    End Sub