public static void CreateShapeFile(string strShapeFolder, string strShapeName, string wkt)

{

//打开工作空间

const string strShapeFieldName = "shape";

IWorkspaceFactory pWSF = new ShapefileWorkspaceFactoryClass();

IFeatureWorkspace pWS = (IFeatureWorkspace)pWSF.OpenFromFile(strShapeFolder, 0);

//设置字段集

IFields pFields = new FieldsClass();

IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;

//设置字段

IField pField = new FieldClass();

IFieldEdit pFieldEdit = (IFieldEdit)pField;

//创建类型为几何类型的字段

pFieldEdit.Name_2 = strShapeFieldName;

pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;

//为esriFieldTypeGeometry类型的字段创建几何定义，包括类型和空间参照

IGeometryDef pGeoDef = new GeometryDefClass(); //The geometry definition for the field if IsGeometry is TRUE.

IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;

pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;

pGeoDefEdit.SpatialReference_2 = new UnknownCoordinateSystemClass();

//ISpatialReferenceFactory2 pSpaRefFactory = new SpatialReferenceEnvironmentClass();

//pSpaRefFactory.CreateESRISpatialReferenceFromPRJFile(@"E:\temp\Suzhou_1954_3_Degree_GK_CM_120E.prj");

pFieldEdit.GeometryDef_2 = pGeoDef;

pFieldsEdit.AddField(pField);

//添加其他的字段

pField = new FieldClass();

pFieldEdit = (IFieldEdit)pField;

pFieldEdit.Name_2 = "wkt";

pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;

pFieldsEdit.AddField(pField);

IField pField2 = new FieldClass();

IFieldEdit pFieldEdit2 = (IFieldEdit)pField2;

pFieldEdit2.Type_2 = esriFieldType.esriFieldTypeOID;

pFieldsEdit.AddField(pField2);

IField pField3 = new FieldClass();

IFieldEdit pFieldEdit3 = (IFieldEdit)pField3;

pFieldEdit3.Name_2 = "str1";

pFieldEdit3.Type_2 = esriFieldType.esriFieldTypeString;

pFieldsEdit.AddField(pField3);

IField pField4 = new FieldClass();

IFieldEdit pFieldEdit4 = (IFieldEdit)pField4;

pFieldEdit4.Name_2 = "str2";

pFieldEdit4.Type_2 = esriFieldType.esriFieldTypeString;

pFieldsEdit.AddField(pField4);

//创建shapefile

pWS.CreateFeatureClass(strShapeName, pFields, null, null, esriFeatureType.esriFTSimple, strShapeFieldName, "");

//IFeatureClass pointFC = Common.CreateFeatureClass(pointfeatureClassName, pointtype, sr, pFWS, fieldList);

}