//---------------------------------------------------------------------
// CHANGED: CR31 (Switching between GIS layers)
// Enable the user to switch between different HLU layers, where
// there is more than one valid layer in the current document.
// Pass the layer to be switched to so that the event handlers
// can be linked to that layer.
private void SetupSelectionChangedEvent(IFeatureLayer layer)
{
if (layer == null) return;
try
{
// Remove the previous event handler if present
if (_hluLayerSelectionChangedHandler != null)
_hluLayerSelectionChangedHandler.FeatureLayerSelectionChanged -=
_hluLayerSelectionEvent_FeatureLayerSelectionChanged;
_hluFeatureSelection = (IFeatureSelection)layer;
_hluLayerSelectionChangedHandler = (IFeatureLayerSelectionEvents_Event)layer;
_hluLayerSelectionChangedHandler.FeatureLayerSelectionChanged +=
new IFeatureLayerSelectionEvents_FeatureLayerSelectionChangedEventHandler(
_hluLayerSelectionEvent_FeatureLayerSelectionChanged);
}
catch (Exception ex) { string s = ex.Message; }
}
private void SetupSelectionChangedEvent()
{
if (_hluLayer == null) return;
try
{
_hluFeatureSelection = (IFeatureSelection)_hluLayer;
_hluLayerSelectionChangedHandler = (IFeatureLayerSelectionEvents_Event)_hluLayer;
_hluLayerSelectionChangedHandler.FeatureLayerSelectionChanged +=
new IFeatureLayerSelectionEvents_FeatureLayerSelectionChangedEventHandler(
_hluLayerSelectionEvent_FeatureLayerSelectionChanged);
}
catch (Exception ex) { string s = ex.Message; }
}
