AE+C# 图层中增加相应属性标注

时间：2024-01-06 12:55:14

原文 AE+C# 图层中增加相应属性标注

if (axMapControl1.LayerCount > )

{

IGeoFeatureLayer pGeoFeatureLayer;

ILineLabelPosition pLineLabelPosition;

ILabelEngineLayerProperties pLabelEngineLayerProperties;

IAnnotateLayerProperties pAnnotateLayerProperties;

pGeoFeatureLayer = (IGeoFeatureLayer)axMapControl1.get_Layer();

pGeoFeatureLayer.AnnotationProperties.Clear();

pLineLabelPosition = new LineLabelPosition();

pLineLabelPosition.Above = false;

pLineLabelPosition.AtEnd = false;

pLineLabelPosition.Below = false;

pLineLabelPosition.Horizontal = false;

pLineLabelPosition.InLine = true;

pLineLabelPosition.OnTop = true;

pLineLabelPosition.Parallel = true;

pLineLabelPosition.ProduceCurvedLabels = true;

ITextSymbol pTextSymbol = new TextSymbol();

IColor pColor = new RgbColor();

pColor.RGB = ;

pTextSymbol.Size = ;

pTextSymbol.Font.Name = "宋体";

pTextSymbol.Color = pColor;

pLabelEngineLayerProperties = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;

pLabelEngineLayerProperties.Symbol = pTextSymbol;

pLabelEngineLayerProperties.IsExpressionSimple = true;

pLabelEngineLayerProperties.Expression = "[NAME]";//需要中括号,这里显示NAME字段属性

pLabelEngineLayerProperties.BasicOverposterLayerProperties.LineLabelPosition = pLineLabelPosition;

pAnnotateLayerProperties = (IAnnotateLayerProperties)pLabelEngineLayerProperties;

pAnnotateLayerProperties.DisplayAnnotation = true;

pAnnotateLayerProperties.FeatureLayer = pGeoFeatureLayer;

pAnnotateLayerProperties.LabelWhichFeatures = esriLabelWhichFeatures.esriAllFeatures;

pAnnotateLayerProperties.WhereClause = "";

pGeoFeatureLayer.AnnotationProperties.Add(pAnnotateLayerProperties);

pGeoFeatureLayer.DisplayAnnotation = true;

axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

}

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