| private AttachLayerEventHandlers ( GraphicsLayer layer ) : void | ||
| layer | GraphicsLayer | |
| Résultat | void | |
private static void OnMapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Map oldMap = e.OldValue as Map;
Map newMap = e.NewValue as Map;
EditorWidget widget = (EditorWidget)d;
if (widget != null)
{
widget.editor.Map = newMap;
if (oldMap != null && oldMap.Layers != null)
{
List <GraphicsLayer> oldGraphicsLayers = new List <GraphicsLayer>();
foreach (Layer layer in oldMap.Layers)
{
if (layer is GraphicsLayer)
{
oldGraphicsLayers.Add(layer as GraphicsLayer);
}
}
widget.DetachLayerEventHandlers(oldGraphicsLayers);
oldMap.Layers.CollectionChanged -= widget.Layers_CollectionChanged;
}
if (newMap != null && newMap.Layers != null)
{
newMap.Layers.CollectionChanged += widget.Layers_CollectionChanged;
widget.AttachLayerEventHandlers(widget.editor.GraphicsLayers);
}
}
}
private static void OnLayerIdsPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
EditorWidget widget = (d as EditorWidget);
if (widget != null)
{
widget.DetachLayerEventHandlers(widget.editor.GraphicsLayers);
widget.editor.LayerIDs = widget.LayerIDs;
widget.AttachLayerEventHandlers(widget.editor.GraphicsLayers);
}
}
