Creates a new row buffer instance in memory.
This method must be called on the MCT. Use QueuedTask.Run.
Public Overloads Function CreateRowBuffer() As RowBuffer
Return Value
An
RowBuffer used to set the field values when calling CreateRow.
Creating a Row
public async Task CreatingARow()
{
string message = String.Empty;
bool creationResult = false;
EditOperation editOperation = new EditOperation();
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (Geodatabase geodatabase = new Geodatabase(
new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
using (Table enterpriseTable = geodatabase.OpenDataset<Table>("LocalGovernment.GDB.piCIPCost"))
{
//var geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uri)) for a File GDB
//
//var shapeFileConnPath = new FileSystemConnectionPath(uri, FileSystemDatastoreType.Shapefile);
//var shapefile = new FileSystemDatastore(shapeFileConnPath);
//var table = shapefile.OpenDataset<Table>(strShapeFileName); for a Shape file
//declare the callback here. We are not executing it .yet.
editOperation.Callback(context =>
{
TableDefinition tableDefinition = enterpriseTable.GetDefinition();
int assetNameIndex = tableDefinition.FindField("ASSETNA");
using (RowBuffer rowBuffer = enterpriseTable.CreateRowBuffer())
{
// Either the field index or the field name can be used in the indexer.
rowBuffer[assetNameIndex] = "wMain";
rowBuffer["COST"] = 700;
rowBuffer["ACTION"] = "Open Cut";
// subtype value for "Abandon".
rowBuffer[tableDefinition.GetSubtypeField()] = 3;
using (Row row = enterpriseTable.CreateRow(rowBuffer))
{
// To Indicate that the attribute table has to be updated.
context.Invalidate(row);
}
}
}, enterpriseTable);
try
{
creationResult = editOperation.Execute();
if (!creationResult) message = editOperation.ErrorMessage;
}
catch (GeodatabaseException exObj)
{
message = exObj.Message;
}
}
});
if (!string.IsNullOrEmpty(message))
MessageBox.Show(message);
}
Creating a Feature
public async Task CreatingAFeature()
{
string message = String.Empty;
bool creationResult = false;
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
using (FeatureClass enterpriseFeatureClass = geodatabase.OpenDataset<FeatureClass>("LocalGovernment.GDB.FacilitySite"))
{
//var geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uri)) for a File GDB
//
//var shapeFileConnPath = new FileSystemConnectionPath(uri, FileSystemDatastoreType.Shapefile);
//var shapefile = new FileSystemDatastore(shapeFileConnPath);
//var table = shapefile.OpenDataset<Table>(strShapeFileName); for a Shape file
//declare the callback here. We are not executing it yet
EditOperation editOperation = new EditOperation();
editOperation.Callback(context =>
{
FeatureClassDefinition facilitySiteDefinition = enterpriseFeatureClass.GetDefinition();
int facilityIdIndex = facilitySiteDefinition.FindField("FACILITYID");
using (RowBuffer rowBuffer = enterpriseFeatureClass.CreateRowBuffer())
{
// Either the field index or the field name can be used in the indexer.
rowBuffer[facilityIdIndex] = "wMain";
rowBuffer["NAME"] = "Griffith Park";
rowBuffer["OWNTYPE"] = "Municipal";
rowBuffer["FCODE"] = "Park";
// Add it to Public Attractions Subtype.
rowBuffer[facilitySiteDefinition.GetSubtypeField()] = 820;
List<Coordinate2D> newCoordinates = new List<Coordinate2D>
{
new Coordinate2D(1021570, 1880583),
new Coordinate2D(1028730, 1880994),
new Coordinate2D(1029718, 1875644),
new Coordinate2D(1021405, 1875397)
};
rowBuffer[facilitySiteDefinition.GetShapeField()] = new PolygonBuilderEx(newCoordinates).ToGeometry();
using (Feature feature = enterpriseFeatureClass.CreateRow(rowBuffer))
{
//To Indicate that the attribute table has to be updated
context.Invalidate(feature);
}
}
}, enterpriseFeatureClass);
try
{
creationResult = editOperation.Execute();
if (!creationResult) message = editOperation.ErrorMessage;
}
catch (GeodatabaseException exObj)
{
message = exObj.Message;
}
}
});
if (!string.IsNullOrEmpty(message))
MessageBox.Show(message);
}
Writing a Blob field
public async Task WriteBlobField(Table table, string blobFieldName, string imageFileName)
{
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
// Read the image file into a MemoryStream
MemoryStream memoryStream = new MemoryStream(); ;
using (FileStream imageFile = new FileStream(imageFileName, FileMode.Open, FileAccess.Read))
{
imageFile.CopyTo(memoryStream);
}
// Create a new row in the table, and write the Memory Stream into a blob fiele
using (RowBuffer rowBuffer = table.CreateRowBuffer())
{
rowBuffer[blobFieldName] = memoryStream;
table.CreateRow(rowBuffer).Dispose();
}
});
}
Creating a new Annotation Feature in an Annotation FeatureClass using a RowBuffer
public async Task CreatingAnAnnotationFeature(Geodatabase geodatabase)
{
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (AnnotationFeatureClass annotationFeatureClass = geodatabase.OpenDataset<AnnotationFeatureClass>("Annotation // feature // class // name"))
using (AnnotationFeatureClassDefinition annotationFeatureClassDefinition = annotationFeatureClass.GetDefinition())
using (RowBuffer rowBuffer = annotationFeatureClass.CreateRowBuffer())
using (AnnotationFeature annotationFeature = annotationFeatureClass.CreateRow(rowBuffer))
{
annotationFeature.SetAnnotationClassID(0);
annotationFeature.SetStatus(AnnotationStatus.Placed);
// Get the annotation labels from the label collection
IReadOnlyList<CIMLabelClass> labelClasses =
annotationFeatureClassDefinition.GetLabelClassCollection();
// Setup the symbol reference with the symbol id and the text symbol
CIMSymbolReference cimSymbolReference = new CIMSymbolReference();
cimSymbolReference.Symbol = labelClasses[0].TextSymbol.Symbol;
cimSymbolReference.SymbolName = labelClasses[0].TextSymbol.SymbolName;
// Setup the text graphic
CIMTextGraphic cimTextGraphic = new CIMTextGraphic();
cimTextGraphic.Text = "Charlotte, North Carolina";
cimTextGraphic.Shape = new MapPointBuilderEx(new Coordinate2D(-80.843, 35.234), SpatialReferences.WGS84).ToGeometry();
cimTextGraphic.Symbol = cimSymbolReference;
// Set the symbol reference on the graphic and store
annotationFeature.SetGraphic(cimTextGraphic);
annotationFeature.Store();
}
});
}
Creating a row buffer from a template row
public void CreateRowBufferFromARow(Table table)
{
using (RowCursor rowCursor = table.Search())
{
if (rowCursor.MoveNext())
{
using (Row templateRow = rowCursor.Current)
{
RowBuffer rowBuffer = table.CreateRowBuffer(templateRow);
// Manipulate row buffer
// Doesn't allow copying values of ObjectID and GlobalID
//
// rowBuffer["Field"] = "Update";
//
// create a new row
table.CreateRow(rowBuffer);
}
}
}
}
Creating a row buffer from a template row
public void CreateRowBufferFromARow(Table table)
{
using (RowCursor rowCursor = table.Search())
{
if (rowCursor.MoveNext())
{
using (Row templateRow = rowCursor.Current)
{
RowBuffer rowBuffer = table.CreateRowBuffer(templateRow);
// Manipulate row buffer
// Doesn't allow copying values of ObjectID and GlobalID
//
// rowBuffer["Field"] = "Update";
//
// create a new row
table.CreateRow(rowBuffer);
}
}
}
}
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.