private void LayerAnnotation(IGeoFeatureLayer pGeoFeatLyr, string annoField)
{
IGeoFeatureLayer pGeoFeatLayer;
pGeoFeatLayer = pGeoFeatLyr;
IAnnotateLayerPropertiesCollection pAnnoProps;
pAnnoProps = pGeoFeatLyr.AnnotationProperties;
pAnnoProps.Clear();
IAnnotateLayerProperties pAnnoLayerProps;
ILabelEngineLayerProperties pLabelEngine;
ILineLabelPosition pPosition;
ILineLabelPlacementPriorities pPlacement;
IBasicOverposterLayerProperties pBasic;
//'定义标注的字体
ITextSymbol pTextSyl;
pTextSyl = new TextSymbol();
stdole.IFontDisp pFont;
pFont = new stdole.StdFont() as stdole.IFontDisp;
pFont.Name = "仿宋";
pFont.Size = 12;
pFont.Bold = true;
pTextSyl.Font = pFont;
IRgbColor pcolor = new RgbColorClass();
pcolor.Red = 255;
pcolor.Green = 10;
pcolor.Blue = 20;
pTextSyl.Color = pcolor;
pPosition = new LineLabelPosition();
pPosition.Parallel = false;
pPosition.Perpendicular = true;
pPlacement = new LineLabelPlacementPriorities();
pBasic = new BasicOverposterLayerProperties();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
pBasic.LineLabelPlacementPriorities = pPlacement;
pBasic.LineLabelPosition = pPosition;
pLabelEngine = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
pLabelEngine.Symbol = pTextSyl;
pLabelEngine.BasicOverposterLayerProperties = pBasic;
//field的形式必须是[fieldname]
pLabelEngine.Expression = annoField;
pAnnoLayerProps = (IAnnotateLayerProperties)pLabelEngine;
pAnnoProps.Add(pAnnoLayerProps);
pGeoFeatLyr.DisplayAnnotation = true;
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void button_dress_Click(object sender, EventArgs e)
{
//获取axPageLayoutControl1的图形容器
IGraphicsContainer graphicsContainer =
axPageLayoutControl1.GraphicsContainer;
//获取axPageLayoutControl1空间里面显示的地图图层
IMapFrame mapFrame =
(IMapFrame)graphicsContainer.FindFrame(axPageLayoutControl1.ActiveView.FocusMap);
if (mapFrame == null)
{
return;
}
//--------------创建图例------------
UID uID = new UIDClass(); //创建UID作为该图例的唯一标识符，方便创建之后进行删除、移动等操作
uID.Value = "esriCarto.Legend";
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);
if (mapSurroundFrame == null)
{
return;
}
if (mapSurroundFrame.MapSurround == null)
{
return;
}
mapSurroundFrame.MapSurround.Name = "图例";
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(16, 2, 18, 7);//设置图例摆放位置（原点在axPageLayoutControl左下角）
IElement element = (IElement)mapSurroundFrame;
element.Geometry = envelope;
//将图例转化为几何要素添加到axPageLayoutControl1,并刷新页面显示
axPageLayoutControl1.AddElement(element, Type.Missing, Type.Missing,
"Legend", 0);
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null,
null);
//-----------设置指北针--------
IMapSurround pMapSurround;
INorthArrow pNorthArrow;
pNorthArrow = new MarkerNorthArrowClass();//创建指北针的实例
pMapSurround = pNorthArrow;
pMapSurround.Name = "NorthArrow";
//定义UID
UID uid = new UIDClass();
uid.Value = "esriCarto.MarkerNorthArrow";
//定义MapSurroundFrame对象
IMapSurroundFrame pMapSurroundFrame = mapFrame.CreateSurroundFrame(uid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
IElement pDeletElement = axPageLayoutControl1.FindElementByName("NorthArrow");//获取PageLayout中的图例元素
if (pDeletElement != null)
{
graphicsContainer.DeleteElement(pDeletElement); //如果已经存在指北针，删除已经存在的指北针
}
//定义Envelope设置Element摆放的位置
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(16, 24, 21, 32);
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope;
graphicsContainer.AddElement(pElement, 0);
//刷新axPageLayoutControl1的内容
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
//-----------设置比例尺------------
IActiveView pActiveView = axPageLayoutControl1.PageLayout as IActiveView;
IMap pMap = pActiveView.FocusMap as IMap;
IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
//IMapSurround pMapSurround;
//设置比例尺样式
IScaleBar pScaleBar = new ScaleLineClass();
pScaleBar.Units = esriUnits.esriKilometers;
pScaleBar.Divisions = 4;
pScaleBar.Subdivisions = 3;
pScaleBar.DivisionsBeforeZero = 0;
pScaleBar.UnitLabel = "km";
pScaleBar.LabelPosition = esriVertPosEnum.esriBelow;
pScaleBar.LabelGap = 3.6;
pScaleBar.LabelFrequency = esriScaleBarFrequency.esriScaleBarDivisionsAndFirstMidpoint;
pScaleBar.LabelPosition = esriVertPosEnum.esriBelow;
ITextSymbol pTextsymbol = new TextSymbolClass();
pTextsymbol.Size = 1;
stdole.StdFont pFont = new stdole.StdFont();
pFont.Size = 3;
pFont.Name = "Arial";
pTextsymbol.Font = pFont as stdole.IFontDisp;
pTextsymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pScaleBar.UnitLabelSymbol = pTextsymbol;
pScaleBar.LabelSymbol = pTextsymbol;
INumericFormat pNumericFormat = new NumericFormatClass();
pNumericFormat.AlignmentWidth = 0;
pNumericFormat.RoundingOption = esriRoundingOptionEnum.esriRoundNumberOfSignificantDigits;
pNumericFormat.RoundingValue = 0;
pNumericFormat.UseSeparator = true;
pNumericFormat.ShowPlusSign = false;
//定义UID
pMapSurround = pScaleBar;
pMapSurround.Name = "ScaleBar";
// UID uid = new UIDClass();
uid.Value = "esriCarto.ScaleLine";
//定义MapSurroundFrame对象IMapSurroundFrame
pMapSurroundFrame = pMapFrame.CreateSurroundFrame(uid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
//定义Envelope设置Element摆放的位置
//IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(8, 2, 14, 4); //IElement
pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope; //IElement
pDeletElement = axPageLayoutControl1.FindElementByName("ScaleBar"); //获取PageLayout中的比例尺元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在比例尺，删除已经存在的比例尺
}
pGraphicsContainer.AddElement(pElement, 0);
//刷新axPageLayoutControl1的内容
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
//---------------添加标题-------------
//IGraphicsContainer graphicsContainer = axPageStation.PageLayout as IGraphicsContainer;
//IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(-14, 26, 35, 26);
IRgbColor pColor = new RgbColorClass()
{
Red = 0,
Blue = 0,
Green = 0
};
pFont.Name = "宋体";
pFont.Bold = true;
ITextSymbol pTextSymbol = new TextSymbolClass()
{
Color = pColor,
//Font = pFont,
Size = 30
};
ITextElement pTextElement = new TextElementClass()
{
Symbol = pTextSymbol,
ScaleText = true,
Text = "盗墓难度专题图"
};
element = pTextElement as ESRI.ArcGIS.Carto.IElement;
element.Geometry = envelope;
graphicsContainer.AddElement(element, 0);
axPageLayoutControl1.Refresh();
}
