private void unwireByLayerWireState(LayerWireState wireState)
{
IFeatureLayer layer = wireState.Layer;
if (wireState.Selected)
{
layer.SelectedFeatures.ListChanged -= GetSelectedChangedEventHandler();
}
if (wireState.Highlighted)
{
layer.HighlightedFeatures.ListChanged -= GetHighlightedChangedEventHandler();
}
}
private void unwireFeatureLayer(IFeatureLayer layer)
{
StringComparer comparer = StringComparer.CurrentCultureIgnoreCase;
Predicate <LayerWireState> findByName = delegate(LayerWireState match)
{
return(comparer.Equals(match.Layer.LayerName,
layer.LayerName));
};
LayerWireState wireState = _wiredLayers.Find(findByName);
if (wireState != null)
{
unwireByLayerWireState(wireState);
}
}
private void wireupFeatureLayer(IFeatureLayer layer)
{
StringComparer comparer = StringComparer.CurrentCultureIgnoreCase;
Predicate <LayerWireState> sameName = delegate(LayerWireState find)
{
return(comparer.Equals(layer.LayerName,
find.Layer.LayerName));
};
if (_wiredLayers.Exists(sameName))
{
return;
}
LayerWireState wireState = new LayerWireState(layer);
ListChangedEventHandler handler = GetSelectedChangedEventHandler();
if (handler != null)
{
layer.SelectedFeatures.ListChanged += handler;
wireState.Selected = true;
}
handler = GetHighlightedChangedEventHandler();
if (handler != null)
{
layer.HighlightedFeatures.ListChanged += handler;
wireState.Highlighted = true;
}
if (wireState.Highlighted || wireState.Selected)
{
_wiredLayers.Add(wireState);
}
}
