转载别人（ZZ）创建要素集

感觉写的很实在且内容较多，转来，可以用于以后检索

3月19日

public IFeatureClass createFeatureClass( string strBrowseName)

{

IWorkspaceFactory pWSF;

pWSF = new AccessWorkspaceFactoryClass();

IWorkspace pWS;

pWS = pWSF.OpenFromFile(@"E:\T.mdb", 0);

IFeatureWorkspace pFWS;

pFWS = pWS as IFeatureWorkspace;

IGeometryDefEdit pGeomDef;

pGeomDef = new GeometryDefClass();

pGeomDef.GeometryType_2 = esriGeometryType.esriGeometryPolygon;

pGeomDef.SpatialReference_2 = new UnknownCoordinateSystemClass();

pGeomDef.SpatialReference.SetDomain(0, 10000000, 0, 10000000);

pGeomDef.SpatialReference.SetZDomain(0, 100);//创建要素类一定要加上空间阈，否则不会创建成功！！！

IFieldEdit pField;

IFieldsEdit pFieldsEdit;

pFieldsEdit = new FieldsClass();

pField = new FieldClass();

pField.Type_2 = esriFieldType.esriFieldTypeGeometry;

pField.GeometryDef_2 = pGeomDef;

pField.Name_2 = "shape";

pFieldsEdit.AddField(pField);

pField = new FieldClass();

pField.Type_2 = esriFieldType.esriFieldTypeDouble;

pField.Name_2 = "ID";

pFieldsEdit.AddField(pField);

pField = new FieldClass();

pField.Name_2 = "OBJECTID";

pField.Type_2 = esriFieldType.esriFieldTypeOID;

pFieldsEdit.AddField(pField);

MessageBox.Show("Cuole");

return pFWS.CreateFeatureClass(strBrowseName, pFieldsEdit, null, null, esriFeatureType.esriFTSimple, "Shape", "");

}

private void button4_Click(object sender, EventArgs e)

{

// string s=@"E:\T.mdb";

string t="Had";

IFeatureClass pFeature = createFeatureClass(t);

MessageBox.Show("Cuole");

}