IMap.SelectionCount Property

Number of selected features.

[Visual Basic 6.0]
Property SelectionCount As Long

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

[C#]
public int SelectionCount {get;}

[Java]
public  getSelectionCount (
    Long Count
)

[C++]
HRESULT get_SelectionCount(
  long* 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.

EDN: ESRI Developer Network