/// <summary>
/// 初始化默认图层过滤器
/// </summary>
private void InitializeBasicLayerFilters()
{
//添加默认过滤器
//最顶图层
LayerFilterProperties topMostLayerProperty = new LayerFilterProperties();
//topMostLayerProperty.HeaderImage = null;
topMostLayerProperty.LayerCategory = string.Empty;
topMostLayerProperty.LayerFeatureType = LayerFeatureType.None;
topMostLayerProperty.LayerFilterName = TopMostLayer;
topMostLayerProperty.TargetLayer = null;
//topMostLayerProperty.MapWindow = associateMapWindow;
//可见图层
LayerFilterProperties visibleLayerProperty = new LayerFilterProperties();
//visibleLayerProperty.HeaderImage = null;
visibleLayerProperty.LayerCategory = string.Empty;
visibleLayerProperty.LayerFeatureType = LayerFeatureType.None;
visibleLayerProperty.LayerFilterName = VisibleLayers;
visibleLayerProperty.TargetLayer = null;
//visibleLayerProperty.MapWindow = associateMapWindow;
//可选图层
LayerFilterProperties selectableLayerProperty = new LayerFilterProperties();
//selectableLayerProperty.HeaderImage = null;
selectableLayerProperty.LayerCategory = string.Empty;
selectableLayerProperty.LayerFeatureType = LayerFeatureType.None;
selectableLayerProperty.LayerFilterName = SelectableLayers;
selectableLayerProperty.TargetLayer = null;
//selectableLayerProperty.MapWindow = associateMapWindow;
//所有图层
LayerFilterProperties allLayerProperty = new LayerFilterProperties();
//allLayerProperty.HeaderImage = null;
allLayerProperty.LayerCategory = string.Empty;
allLayerProperty.LayerFeatureType = LayerFeatureType.None;
allLayerProperty.LayerFilterName = AllLayers;
allLayerProperty.TargetLayer = null;
//allLayerProperty.MapWindow = associateMapWindow;
//保存图层引用
layerFilterSet.Add(topMostLayerProperty);
layerFilterSet.Add(visibleLayerProperty);
layerFilterSet.Add(selectableLayerProperty);
layerFilterSet.Add(allLayerProperty);
}
/// <summary>
/// 加载地图窗口中的图层
/// </summary>
private void DisplayLayersFromMapControl()
{
IMap map = pAxMapControl.Map;
if (map.LayerCount < 1) return;
//获取指定类型图层
UID uid = new UIDClass();
//表示搜索的是IDataLayer
uid.Value = "{6CA416B1-E160-11D2-9F4E-00C04F6BC78E}";
//布尔参数表示要搜索GroupLayer中的图层
IEnumLayer layers = map.get_Layers(uid, true);
layers.Reset(); ILayer layer = layers.Next();
while (layer != null)
{
LayerFilterProperties layerProperty = new LayerFilterProperties();
//layerProperty.HeaderImage = null;
layerProperty.LayerCategory = string.Empty;
layerProperty.LayerFilterName = layer.Name;
layerProperty.LayerFeatureType = GetLayerFeatureType(layer);
layerProperty.TargetLayer = layer;
//保存引用
layerFilterSet.Add(layerProperty);
layer = layers.Next();
}
//释放Com对象
System.Runtime.InteropServices.Marshal.ReleaseComObject(layers);
}