private void ClearLayers()
{
while (Map.Layers.Count > 0)
{
ILayer l = Map.Layers[0];
if (l.DataSource.IsOpen)
{
l.DataSource.Close();
}
Map.Layers.Remove(l);
l.DataSource.Dispose();
l.Dispose();
}
Map.Layers.Clear();
}
public void Remove(ILayer featureLayer)
{
if (_layers == null)
{
return;
}
if (_layers.Contains(featureLayer))
{
_layers.Remove(featureLayer);
if (_onRemoveLayer != null)
{
_onRemoveLayer(this, featureLayer);
}
featureLayer.Dispose();
_layerIsChanged = true;
}
}
protected override void UpdateElement(Input oldElement, Context oldContext)
{
var childContext = child.Context;
if (oldContext != Context)
{
if (Context.Layer != oldContext.Layer)
{
layer.Dispose();
layer = Context.Layer.AddChild(this);
}
childContext = new Context(Context, Layer);
}
child = child.UpdateElement(Element.Child, childContext);
if (oldElement != Element)
{
ElementChanged?.Invoke(this, EventArgs.Empty);
}
}