CodePudding user response:

 using System; 
using System.Collections.Generic; 
Using System.Com ponentModel; 
Using System. The Data; 
Using System. Drawing; 
Using System. Linq; 
Using System. The Text; 
Using System. The Threading. The Tasks; 
Using System. Windows. Forms; 
. Using ESRI ArcGIS. Carto; 
. Using ESRI ArcGIS. Controls; 
. Using ESRI ArcGIS. DataSourcesFile; 
. Using ESRI ArcGIS. DataSourcesGDB; 
. Using ESRI ArcGIS. Display; 
. Using ESRI ArcGIS. EsriSystem; 
. Using ESRI ArcGIS. Geodatabase; 
. Using ESRI ArcGIS. Geometry; 
. Using ESRI ArcGIS. Output; 
. Using ESRI ArcGIS. SystemUI; 

The namespace WindowsFormsApplication1 
{
Public partial class Form1: Form 
{
Public _click () 
{
InitializeComponent(); 
} 

//sure 
Private void button1_Click (object sender, EventArgs e) 
{
//create some layer 
IFeatureClass pPointFeatureClass=CreateShapefile (@ "E: \ Users \ DSF \ Desktop \ point SHP", esriGeometryType. EsriGeometryPoint); 

//create map layer 
IFeatureClass pPolylineFeatureClass=CreateShapefile (@ "E: \ Users \ DSF \ Desktop \ polyline SHP", esriGeometryType. EsriGeometryPolyline); 

//create faceted layer 
IFeatureClass pPolygonFeatureClass=CreateShapefile (@ "E: \ Users \ DSF \ Desktop \ polygon SHP", esriGeometryType. EsriGeometryPolygon); 
} 

//create the SHP file 
Private IFeatureClass CreateShapefile (string filePath, esriGeometryType geometryType) 
{
ISpatialReferenceFactory pSpatialReferenceFactory=new SpatialReferenceEnvironment (); 
IGeographicCoordinateSystem pGeographicCoordinateSystem=pSpatialReferenceFactory. CreateGeographicCoordinateSystem ((int) esriSRGeoCSType. EsriSRGeoCS_WGS1984); 

//geometry type 
IGeometryDef pGeometryDef=new GeometryDef (); 
IGeometryDefEdit pGeometryDefEdit=pGeometryDef as IGeometryDefEdit; 
PGeometryDefEdit. GeometryType_2=geometryType; 
PGeometryDefEdit. HasM_2=false; 
PGeometryDefEdit. HasZ_2=false; 
PGeometryDefEdit. SpatialReference_2=pGeographicCoordinateSystem; 

//field collection 
IFields pFields=new Fields (); 
IFieldsEdit pFieldsEdit=pFields as IFieldsEdit; 

//Shape field 
IField pField=new Field (); 
IFieldEdit pFieldEdit=pField as IFieldEdit; 
PFieldEdit. Type_2=esriFieldType. EsriFieldTypeGeometry; 
PFieldEdit. GeometryDef_2=pGeometryDef; 
PFieldEdit. AliasName_2="Shape"; 
PFieldEdit. Name_2="Shape"; 
PFieldEdit. IsNullable_2=false; 
PFieldEdit. Required_2=true; 
PFieldsEdit. AddField (pField); 

//A field 
PField=new Field (); 
PFieldEdit=pField as IFieldEdit; 
PFieldEdit. Type_2=esriFieldType. EsriFieldTypeString; 
PFieldEdit. AliasName_2="A"; 
PFieldEdit. Name_2="A"; 
PFieldEdit. Length_2=254; 
PFieldsEdit. AddField (pField); 

//create the SHP 
IWorkspaceFactory pWorkspaceFactory=new ShapefileWorkspaceFactory (); 
IWorkspace pWorkspace=pWorkspaceFactory. OpenFromFile (System. IO. Path. GetDirectoryName (filePath), 0). 
IFeatureWorkspace pFeatureWorkspace=pWorkspace as IFeatureWorkspace; 
Return pFeatureWorkspace. CreateFeatureClass (System. IO. Path. GetFileName (filePath), pFields, null, null, esriFeatureType. EsriFTSimple, "Shape", ""); 
} 
} 
}