Get Map from ArcMap.
[C#]
///<summary>Get Map from ArcMap</summary>
///  
///<param name="application">An IApplication interface that is the ArcMap application.</param>
///   
///<returns>An IMap interface.</returns>
///   
///<remarks></remarks>
public ESRI.ArcGIS.Carto.IMap GetMapFromArcMap(ESRI.ArcGIS.Framework.IApplication application)
{
  if (application == null)
  {
    return null;
  }
  ESRI.ArcGIS.ArcMapUI.IMxDocument mxDocument = ((ESRI.ArcGIS.ArcMapUI.IMxDocument)(application.Document)); // Explicit Cast
  ESRI.ArcGIS.Carto.IActiveView activeView = mxDocument.ActiveView;
  ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap;
  return map;
  
}
[Visual Basic .NET]
'''<summary>Get Map from ArcMap</summary> ''' '''<param name="application">An IApplication interface that is the ArcMap application.</param> ''' '''<returns>An IMap interface.</returns> ''' '''<remarks></remarks> Public Function GetMapFromArcMap(ByVal application As ESRI.ArcGIS.Framework.IApplication) As ESRI.ArcGIS.Carto.IMap Dim mxDocument As ESRI.ArcGIS.ArcMapUI.IMxDocument = CType(application.Document, ESRI.ArcGIS.ArcMapUI.IMxDocument) ' Explicit Cast Dim activeView As ESRI.ArcGIS.Carto.IActiveView = mxDocument.ActiveView Dim map As ESRI.ArcGIS.Carto.IMap = activeView.FocusMap Return map End Function