/// <summary>
/// Adds the layer lable.
/// </summary>
/// <param name="pMap">The p map.</param>
/// <param name="layer">The layer.</param>
/// <param name="fieldName">Name of the field.</param>
/// <param name="pTextSymbol">The p text symbol.</param>
/// <param name="dRefScale">The d reference scale.</param>
public static void AddLayerLable(IMap pMap, ILayer layer, string fieldName, ITextSymbol pTextSymbol, double dRefScale)
{
IGeoFeatureLayer geoFeatureLayer = layer as IGeoFeatureLayer;
IAnnotateLayerPropertiesCollection annotationProperties = geoFeatureLayer.AnnotationProperties;
annotationProperties.Clear();
ILineLabelPosition lineLabelPosition = new LineLabelPositionClass
{
Parallel = false,
Perpendicular = false,
InLine = true,
OnTop = true,
Above = false,
Horizontal = true
};
LineLabelPlacementPrioritiesClass lineLabelPlacementPrioritiesClass = new LineLabelPlacementPrioritiesClass();
lineLabelPlacementPrioritiesClass.AboveStart = 5;
lineLabelPlacementPrioritiesClass.BelowAfter = 4;
IBasicOverposterLayerProperties basicOverposterLayerProperties = new BasicOverposterLayerPropertiesClass
{
LineLabelPosition = lineLabelPosition
};
ILabelEngineLayerProperties labelEngineLayerProperties;
if (pMap.AnnotationEngine.Name.Equals("Esri Maplex Label Engine", System.StringComparison.CurrentCultureIgnoreCase))
{
labelEngineLayerProperties = new MaplexLabelEngineLayerPropertiesClass();
IMaplexOverposterLayerProperties maplexOverposterLayerProperties = new MaplexOverposterLayerPropertiesClass();
IFeatureLayer featureLayer = layer as IFeatureLayer;
switch (featureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPoint:
maplexOverposterLayerProperties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
maplexOverposterLayerProperties.PointPlacementMethod = esriMaplexPointPlacementMethod.esriMaplexAroundPoint;
break;
case esriGeometryType.esriGeometryPolyline:
maplexOverposterLayerProperties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
maplexOverposterLayerProperties.LinePlacementMethod = esriMaplexLinePlacementMethod.esriMaplexCenteredStraightOnLine;
break;
case esriGeometryType.esriGeometryPolygon:
maplexOverposterLayerProperties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
maplexOverposterLayerProperties.PolygonPlacementMethod = esriMaplexPolygonPlacementMethod.esriMaplexHorizontalInPolygon;
break;
}
maplexOverposterLayerProperties.CanRemoveOverlappingLabel = false;
maplexOverposterLayerProperties.RepeatLabel = false;
(labelEngineLayerProperties as ILabelEngineLayerProperties2).OverposterLayerProperties = (maplexOverposterLayerProperties as IOverposterLayerProperties);
IMapOverposter mapOverposter = pMap as IMapOverposter;
IOverposterProperties overposterProperties = mapOverposter.OverposterProperties;
IMaplexOverposterProperties maplexOverposterProperties = overposterProperties as IMaplexOverposterProperties;
maplexOverposterProperties.LabelLargestPolygon = false;
}
else
{
labelEngineLayerProperties = new LabelEngineLayerPropertiesClass();
labelEngineLayerProperties.BasicOverposterLayerProperties = basicOverposterLayerProperties;
}
labelEngineLayerProperties.Symbol = pTextSymbol;
labelEngineLayerProperties.IsExpressionSimple = true;
labelEngineLayerProperties.Expression = "[" + fieldName + "]";
IAnnotateLayerProperties item = labelEngineLayerProperties as IAnnotateLayerProperties;
if (dRefScale != -1.0)
{
IAnnotateLayerTransformationProperties annotateLayerTransformationProperties = labelEngineLayerProperties as IAnnotateLayerTransformationProperties;
annotateLayerTransformationProperties.ReferenceScale = dRefScale;
}
annotationProperties.Add(item);
geoFeatureLayer.DisplayAnnotation = true;
}
private void method_3(IMap imap_1, ILayer ilayer_0, string string_0, double double_1, IWorkspace iworkspace_1,
bool bool_0, bool bool_1, esriLabelWhichFeatures esriLabelWhichFeatures_1)
{
if ((iworkspace_1.Type != esriWorkspaceType.esriFileSystemWorkspace) && (ilayer_0 is IGeoFeatureLayer))
{
int num;
IAnnotateLayerProperties properties;
IElementCollection elements;
IElementCollection elements2;
ILabelEngineLayerProperties2 properties2;
IAnnotationLayer layer2;
IGeoFeatureLayer layer = ilayer_0 as IGeoFeatureLayer;
IFeatureClass featureClass = layer.FeatureClass;
IAnnotationLayerFactory factory = new FDOGraphicsLayerFactoryClass();
ISymbolCollection2 lcs = new SymbolCollectionClass();
IAnnotateLayerPropertiesCollection propertiess = new AnnotateLayerPropertiesCollectionClass();
IAnnotateLayerPropertiesCollection annotationProperties = layer.AnnotationProperties;
for (num = 0; num < annotationProperties.Count; num++)
{
annotationProperties.QueryItem(num, out properties, out elements, out elements2);
if (properties != null)
{
ISymbolIdentifier2 identifier;
propertiess.Add(properties);
properties2 = properties as ILabelEngineLayerProperties2;
IClone symbol = properties2.Symbol as IClone;
lcs.AddSymbol(symbol.Clone() as ISymbol, properties.Class + " " + num.ToString(), out identifier);
properties2.SymbolID = identifier.ID;
}
}
properties = null;
properties2 = null;
IGraphicsLayerScale scale = new GraphicsLayerScaleClass
{
ReferenceScale = double_1,
Units = imap_1.MapUnits
};
IFeatureClassDescription description = new AnnotationFeatureClassDescriptionClass();
IObjectClassDescription description2 = description as IObjectClassDescription;
IFields requiredFields = description2.RequiredFields;
IGeometryDefEdit geometryDef =
requiredFields.get_Field(requiredFields.FindField(description.ShapeFieldName)).GeometryDef as
IGeometryDefEdit;
IGeoDataset dataset = featureClass as IGeoDataset;
geometryDef.SpatialReference_2 = dataset.SpatialReference;
IMapOverposter overposter = imap_1 as IMapOverposter;
IOverposterProperties overposterProperties = overposter.OverposterProperties;
if (bool_1)
{
this.method_2(iworkspace_1 as IFeatureWorkspaceAnno, featureClass.FeatureDataset, featureClass,
scale.ReferenceScale, scale.Units, propertiess, lcs as ISymbolCollection, string_0);
layer2 = factory.OpenAnnotationLayer(iworkspace_1 as IFeatureWorkspace, featureClass.FeatureDataset,
string_0);
}
else
{
this.method_2(iworkspace_1 as IFeatureWorkspaceAnno, featureClass.FeatureDataset, null,
scale.ReferenceScale, scale.Units, propertiess, lcs as ISymbolCollection, string_0);
layer2 = factory.OpenAnnotationLayer(iworkspace_1 as IFeatureWorkspace, featureClass.FeatureDataset,
string_0);
}
IActiveView view = imap_1 as IActiveView;
IScreenDisplay screenDisplay = view.ScreenDisplay;
(layer2 as IGraphicsLayer).Activate(screenDisplay);
for (num = 0; num < propertiess.Count; num++)
{
propertiess.QueryItem(num, out properties, out elements, out elements2);
if (properties != null)
{
properties.FeatureLayer = layer;
properties.GraphicsContainer = layer2 as IGraphicsContainer;
properties.AddUnplacedToGraphicsContainer = bool_0;
properties.CreateUnplacedElements = true;
properties.DisplayAnnotation = true;
properties.FeatureLinked = bool_1;
properties.LabelWhichFeatures = esriLabelWhichFeatures_1;
properties.UseOutput = true;
properties2 = properties as ILabelEngineLayerProperties2;
properties2.SymbolID = num;
properties2.AnnotationClassID = num;
IOverposterLayerProperties2 overposterLayerProperties =
properties2.OverposterLayerProperties as IOverposterLayerProperties2;
overposterLayerProperties.TagUnplaced = true;
}
}
propertiess.Sort();
IAnnotateMapProperties annoMapCmdProps = new AnnotateMapPropertiesClass
{
AnnotateLayerPropertiesCollection = propertiess
};
ITrackCancel trackCancel = new CancelTrackerClass();
(imap_1.AnnotationEngine as IAnnotateMap2).Label(overposterProperties, annoMapCmdProps, imap_1,
trackCancel);
for (num = 0; num < propertiess.Count; num++)
{
propertiess.QueryItem(num, out properties, out elements, out elements2);
if (properties != null)
{
properties.FeatureLayer = null;
}
}
imap_1.AddLayer(layer2 as ILayer);
layer.DisplayAnnotation = false;
view.Refresh();
}
}