public FrmOverView()
{
InitializeComponent();
m_OverMap = this.axMapControl.Map;
m_GraphContainer = (ESRI.ArcGIS.Carto.IGraphicsContainer)m_OverMap;
m_ActiveView = (ESRI.ArcGIS.Carto.IActiveView)m_OverMap;
}
/// <summary>
/// Get the index number for the specified layer name
/// </summary>
/// <param name="activeView">An IActiveView interface</param>
/// <param name="layerName">A System.String that is the layer name in the active view. Example: "states"</param>
/// <returns>
/// A System.Int32 representing a layer number.
/// Return values of 0 and greater are valid layers. A return value of -1 means the layer name was not found.
/// </returns>
public static Int32 GetIndexNumberFromLayerName(ESRI.ArcGIS.Carto.IActiveView activeView, System.String layerName)
{
if (activeView == null || layerName == null)
{
return(-1);
}
ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap;
// Get the number of layers
int numberOfLayers = map.LayerCount;
// Loop through the layers and get the correct layer index
for (System.Int32 i = 0; i < numberOfLayers; i++)
{
if (layerName == map.get_Layer(i).Name)
{
// Layer was found
return(i);
}
}
// No layer was found
return(-1);
}
/// <summary>
/// ViewRefreshed Event handler
/// </summary>
/// <param name="view"></param>
/// <param name="phase"></param>
/// <param name="data"></param>
/// <param name="envelope"></param>
/// <remarks></remarks>
private void OnActiveViewEventsViewRefreshed(ESRI.ArcGIS.Carto.IActiveView view, ESRI.ArcGIS.Carto.esriViewDrawPhase phase, System.Object data, ESRI.ArcGIS.Geometry.IEnvelope envelope)
{
// TODO: Add your code here
// System.Windows.Forms.MessageBox.Show("ViewRefreshed");
}