来自：https://community.esri.com/t5/arcgis-pro-sdk-questions/about-text-annotation-format/m-p/835389
internal class ChangeSymbol : Button
{
protected async override void OnClick()
{
var annoLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType().FirstOrDefault();
if (annoLayer == null)
return;
await QueuedTask.Run(() => {
var select = annoLayer.GetSelection();
if (select.GetObjectIDs().Count() > 0)
{
var oid = select.GetObjectIDs().First();
QueryFilter qf = new QueryFilter()
{
WhereClause = $"OBJECTID = {oid}"
};
var rowCursor = annoLayer.GetTable().Search(qf, false);
rowCursor.MoveNext();
var annoFeature = rowCursor.Current as ArcGIS.Core.Data.Mapping.AnnotationFeature;
var graphic = annoFeature.GetGraphic();
var textGraphic = graphic as CIMTextGraphic;
var op = new EditOperation();
op.Name = "Change Anno";
op.Callback((context) => {
//make the callout for the circle
var callOut = new CIMPointSymbolCallout();
callOut.PointSymbol = new CIMPointSymbol();
//Circle outline
var circle_outline = SymbolFactory.Instance.ConstructMarker(40, "ESRI Default Marker") as CIMCharacterMarker;
circle_outline.Size = 30;
//eliminate the outline
foreach (var layer in circle_outline.Symbol.SymbolLayers)
{
if (layer is CIMSolidStroke) {
((CIMSolidStroke) layer).Width = 0;
}
}
//Circle fill
var circle_fill = SymbolFactory.Instance.ConstructMarker(172, "ESRI Default Marker") as CIMCharacterMarker;
circle_fill.Size = 30;
//eliminate the outline, make sure the fill is white
foreach (var layer in circle_fill.Symbol.SymbolLayers) {
if (layer is CIMSolidFill) {
((CIMSolidFill)layer).Color = ColorFactory.Instance.WhiteRGB;
}
else if (layer is CIMSolidStroke)
{
((CIMSolidStroke)layer).Width = 0;
}
}
var calloutLayers = new List();
calloutLayers.Add(circle_outline);
calloutLayers.Add(circle_fill);
//set the layers on the callout
callOut.PointSymbol.SymbolLayers = calloutLayers.ToArray();
//set the callout on the text symbol
var textSym = textGraphic.Symbol.Symbol as CIMTextSymbol;
textSym.Callout = callOut;
textSym.Height = 8;//adjust as needed
//now set the text
textGraphic.Text = "12 00";
annoFeature.SetGraphic(textGraphic);
annoFeature.Store();
context.Invalidate(annoFeature);
}, annoLayer.GetTable());
op.Execute();
}
});
}
}
Original: https://www.cnblogs.com/gisoracle/p/16277911.html
Author: gisoracle
Title: ArcGIS Pro SDK修改注记文本为下面特殊的
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