ArcGIS Developer Help

IMap.SelectionCount Property

Number of selected features.

[Visual Basic .NET]
Public ReadOnly Property SelectionCount As Integer

[C#]
public int SelectionCount {get;}

[C++]
HRESULT get_SelectionCount(
  System.Int32* Count
);

[C++]
Parameters
Count [out, retval]

  Count is a parameter of type long*

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

Returns the total number of selected features in the Map. The selection total is calculated from all layers that implement IFeatureLayer.