public void LabelQueryInfo(string name, string strContent, IPoint pt, IMap pMap, bool isRemoveLast)
{
//获取并激活Graphic标注图层
if (pt == null)
{
return;
}
IActiveView pActiveView = pMap as IActiveView;
ICompositeGraphicsLayer pCompositeGraphicsLayer = pMap.BasicGraphicsLayer as ICompositeGraphicsLayer;
//WeatherLabel标记组，通过ArcMap的Layers Properties的Annotation group可以看到
IGraphicsLayer pGraphicsLayer = pCompositeGraphicsLayer.FindLayer("WeatherLabel");
pMap.ActiveGraphicsLayer = pGraphicsLayer as ILayer;
pGraphicsLayer.Activate(pActiveView.ScreenDisplay);
IGraphicsContainer pGraphicsContainer = pGraphicsLayer as IGraphicsContainer;//转换到图形容器接口
IElementCollection pElementCollection = new ElementCollectionClass();
AddBalloonCalloutLabel(name, strContent, pt, pElementCollection);//我们需要一个新的私有函数来实现设置标签元素背景，BalloonCallout对象
//添加标注
if (isRemoveLast == true)
{
pGraphicsContainer.DeleteAllElements();
}
pGraphicsContainer.AddElements(pElementCollection, 1000);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, pActiveView.ScreenDisplay.DisplayTransformation.VisibleBounds);
}
public static void ConvertLabels2Anno(IMap imap_0, IGeoFeatureLayer igeoFeatureLayer_0, string string_0,
double double_0)
{
int i;
IAnnotateLayerProperties igeoFeatureLayer0;
IElementCollection elementCollection;
IElementCollection elementCollection1;
IElementCollection elementCollection2;
IElement element;
int num;
IActiveView imap0 = imap_0 as IActiveView;
int j = 0;
int count = 0;
IAnnotateLayerPropertiesCollection annotateLayerPropertiesCollectionClass =
new AnnotateLayerPropertiesCollection();
IAnnotateLayerPropertiesCollection annotationProperties = igeoFeatureLayer_0.AnnotationProperties;
for (i = 0; i < annotationProperties.Count; i++)
{
annotationProperties.QueryItem(i, out igeoFeatureLayer0, out elementCollection, out elementCollection1);
if (igeoFeatureLayer0 != null)
{
annotateLayerPropertiesCollectionClass.Add(
(igeoFeatureLayer0 as IClone).Clone() as IAnnotateLayerProperties);
}
}
igeoFeatureLayer0 = null;
IOverposterProperties overposterProperties = (imap_0 as IMapOverposter).OverposterProperties;
IGraphicsLayer double0 = (imap_0.BasicGraphicsLayer as ICompositeGraphicsLayer).AddLayer(string_0,
igeoFeatureLayer_0);
(double0 as IGraphicsLayerScale).ReferenceScale = double_0;
double0.Activate(imap0.ScreenDisplay);
for (i = 0; i < annotateLayerPropertiesCollectionClass.Count; i++)
{
annotateLayerPropertiesCollectionClass.QueryItem(i, out igeoFeatureLayer0, out elementCollection,
out elementCollection1);
if (igeoFeatureLayer0 != null)
{
igeoFeatureLayer0.FeatureLayer = igeoFeatureLayer_0;
igeoFeatureLayer0.GraphicsContainer = double0 as IGraphicsContainer;
igeoFeatureLayer0.AddUnplacedToGraphicsContainer = false;
igeoFeatureLayer0.CreateUnplacedElements = true;
igeoFeatureLayer0.DisplayAnnotation = true;
igeoFeatureLayer0.FeatureLinked = false;
igeoFeatureLayer0.LabelWhichFeatures = esriLabelWhichFeatures.esriAllFeatures;
igeoFeatureLayer0.UseOutput = true;
((igeoFeatureLayer0 as ILabelEngineLayerProperties2).OverposterLayerProperties as
IOverposterLayerProperties2).TagUnplaced = true;
}
}
annotateLayerPropertiesCollectionClass.Sort();
IAnnotateMapProperties annotateMapPropertiesClass = new AnnotateMapProperties()
{
AnnotateLayerPropertiesCollection = annotateLayerPropertiesCollectionClass
};
ITrackCancel cancelTrackerClass = new CancelTracker();
(imap_0.AnnotationEngine as IAnnotateMap2).Label(overposterProperties, annotateMapPropertiesClass, imap_0,
cancelTrackerClass);
for (i = 0; i < annotateLayerPropertiesCollectionClass.Count; i++)
{
annotateLayerPropertiesCollectionClass.QueryItem(i, out igeoFeatureLayer0, out elementCollection,
out elementCollection2);
if (igeoFeatureLayer0 != null)
{
count = count + elementCollection2.Count;
if (elementCollection2.Count > 0)
{
IOverflowGraphicsContainer overflowGraphicsContainer = double0 as IOverflowGraphicsContainer;
for (j = 0; j < elementCollection2.Count; j++)
{
elementCollection2.QueryItem(j, out element, out num);
overflowGraphicsContainer.AddOverflowElement(element);
}
}
igeoFeatureLayer0.FeatureLayer = null;
}
}
igeoFeatureLayer_0.DisplayAnnotation = false;
imap0.ContentsChanged();
imap0.Refresh();
}