internal void setLayer(BaseLayer layer)
{
MyParent = layer;
}
/// <summary>
/// 增加层
/// </summary>
/// <param name="layer">层对象</param>
/// <param name="zindex">Z轴坐标</param>
public void AddLayer(BaseLayer layer, int zindex)
{
layer.setZIndex(zindex);
layers.Add(layer);
rootCanvas.Children.Add(layer);
}