/// <summary>
/// Determines whether the specified parent of the layer is visible in the map.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="layer">The layer.</param>
/// <returns>Returns <see cref="bool" /> representing <c>true</c> when the parent layer is visible.</returns>
public static bool IsParentVisible(this IMap source, ILayer layer)
{
bool isLayerVisible;
bool isParentVisible;
IMapLayers2 layers = (IMapLayers2)source;
layers.IsLayerVisibleEx(layer, out isLayerVisible, out isParentVisible);
return(isParentVisible);
}
public void Refresh()
{
TableList.Clear();
RelationLookup.Clear();
IMap aMap = ArcMap.Document.FocusMap as IMap;
IMapLayers2 layers = ArcMap.Document.FocusMap as IMapLayers2;
IEnumLayer someLayers = layers.Layers;
ILayer aLayer = null;
while ((aLayer = someLayers.Next()) != null)
{
IFeatureLayer2 someFeatlayer = aLayer as IFeatureLayer2;
if (someFeatlayer != null)
{
IFeatureClass featClass = someFeatlayer.FeatureClass as IFeatureClass;
if (featClass != null)
{
IEnumRelationshipClass someRelationships = featClass.RelationshipClasses[esriRelRole.esriRelRoleAny] as IEnumRelationshipClass;
if (someRelationships != null)
{
IRelationshipClass aRelationship = someRelationships.Next();
while (aRelationship != null)
{
Debug.WriteLine(aRelationship.OriginClass.AliasName + " <--> " + aRelationship.DestinationClass.AliasName);
IDataset aDataset = aRelationship.OriginClass as IDataset;
IDataset anotherDataset = aRelationship.DestinationClass as IDataset;
AddDataset(new IDataset[] { aDataset, anotherDataset });
IDataset aDS = featClass as IDataset;
if (aDS != null)
{
Debug.WriteLine(aDS.Name + "," + aDataset.Name + "," + anotherDataset.Name);
string name = aDS.Name.Equals(aDataset.Name, StringComparison.InvariantCultureIgnoreCase) ? anotherDataset.Name : aDataset.Name;
if (RelationLookup.ContainsKey(name))
{
RelationLookup[name].Add(aRelationship);
}
else
{
RelationLookup.Add(name, new List <IRelationshipClass>()
{
aRelationship
});
}
}
aRelationship = someRelationships.Next();
}
}
}
}
}
TableList.Sort((a, b) => a.TableName.CompareTo(b.TableName));
}
public static void TraceLayerProperties(this IMap map)
{
string s = "Layer: {0} is visible: {1}";
string ms = "IMapLayers2: {0} is visible: {1}. Parent is visible:{2}";
IEnumLayer enumLayer = (IEnumLayer)map.get_Layers(null, true);
IMapLayers2 mapLayers = map as IMapLayers2;
ILayer layer = null;
while ((layer = enumLayer.Next()) != null)
{
bool isvis;
bool isparentvis;
mapLayers.IsLayerVisibleEx(layer, out isvis, out isparentvis);
ILayer2 layer2 = layer as ILayer2;
Trace.WriteLine(s.FormatString(layer2.Name, layer2.Visible));
Trace.WriteLine(ms.FormatString(layer2.Name, isvis, isparentvis));
}
}
public ILayer GetLayerFromFeature(IFeature feat)
{
IFeatureClass fc = feat.Class as IFeatureClass;
IMap aMap = ArcMap.Document.FocusMap as IMap;
IMapLayers2 layers = ArcMap.Document.FocusMap as IMapLayers2;
IEnumLayer someLayers = layers.Layers;
ILayer aLayer = null;
while ((aLayer = someLayers.Next()) != null)
{
IFeatureLayer2 someFeatlayer = aLayer as IFeatureLayer2;
if (someFeatlayer != null)
{
IDataset newDS = someFeatlayer.FeatureClass as IDataset;
IDataset ds = feat.Class as IDataset;
Debug.WriteLine($"{newDS.Name},{ds.Name}");
if (newDS.Name.Equals(ds.Name, StringComparison.InvariantCultureIgnoreCase))
{
return(aLayer);
}
}
}
return(null);
}
/// <summary>
/// Determines whether the specified layer is visible in the map.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="layer">The layer.</param>
/// <returns>Returns <see cref="bool" /> representing <c>true</c> when the layer is visible.</returns>
/// <remarks>
/// It does this by checking to see if the layer is not drawn due to scale ranges and also by validating whether
/// or not the layer is in a composite layer or group layer that is not visible.
/// </remarks>
public static bool IsLayerVisible(this IMap source, ILayer layer)
{
IMapLayers2 layers = (IMapLayers2)source;
return(layers.IsLayerVisible(layer));
}
private void method_2(IMapLayers2 imapLayers2_0, ILayer ilayer_0, bool bool_1)
{
Exception exception;
try
{
if (imapLayers2_0 is IScene)
{
try
{
imapLayers2_0.AddLayer(ilayer_0);
}
catch (Exception exception1)
{
exception = exception1;
if (!(exception is COMException))
{
MessageBox.Show(exception.Message);
}
else if ((exception as COMException).ErrorCode != -2147219200)
{
MessageBox.Show(exception.Message);
}
else
{
MessageBox.Show("无法添加具有未知空间参考的数据");
}
}
}
else if (!(imapLayers2_0 is IGlobe))
{
int layerIndex = -1;
layerIndex = CommonHelper.GetLayerIndex(imapLayers2_0 as IMap, ilayer_0);
imapLayers2_0.InsertLayer(ilayer_0, true, layerIndex);
}
else
{
try
{
imapLayers2_0.AddLayer(ilayer_0);
}
catch (Exception exception2)
{
exception = exception2;
if (!(exception is COMException))
{
MessageBox.Show(exception.Message);
}
else if ((exception as COMException).ErrorCode != -2147219200)
{
MessageBox.Show(exception.Message);
}
else
{
MessageBox.Show("无法添加具有未知空间参考的数据");
}
}
}
}
catch (Exception exception3)
{
}
}
