private void KillExistingFeatureclass(string strFilename)
{
try
{
IGxCatalogDefaultDatabase Defaultgdb = ArcMap.Application as IGxCatalogDefaultDatabase;
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.FileGDBWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IWorkspace pWorkspace = workspaceFactory.OpenFromFile(Defaultgdb.DefaultDatabaseName.PathName, 0);
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(strFilename);
IDataset pDataset = pFeatureLayer.FeatureClass as IDataset;
if (pDataset.CanDelete())
{
pDataset.Delete();
}
}
catch { }
}
private IFeatureClass MakePointFC()
{
string strFCName;
try
{
IGxCatalogDefaultDatabase Defaultgdb = ArcMap.Application as IGxCatalogDefaultDatabase;
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.FileGDBWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IWorkspace pWorkspace = workspaceFactory.OpenFromFile(Defaultgdb.DefaultDatabaseName.PathName, 0);
IFeatureWorkspace workspace = pWorkspace as IFeatureWorkspace;
UID CLSID = new UID();
CLSID.Value = "esriGeodatabase.Feature";
IFields pFields = new FieldsClass();
IFieldsEdit pFieldsEdit = pFields as IFieldsEdit;
pFieldsEdit.FieldCount_2 = 6;
IGeoDataset geoDataset = ArcMap.Document.ActiveView.FocusMap.get_Layer(0) as IGeoDataset;
IGeometryDef pGeomDef = new GeometryDef();
IGeometryDefEdit pGeomDefEdit = pGeomDef as IGeometryDefEdit;
pGeomDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
pGeomDefEdit.SpatialReference_2 = geoDataset.SpatialReference;
IField pField;
IFieldEdit pFieldEdit;
//pField = new FieldClass();
//pFieldEdit = pField as IFieldEdit;
//pFieldEdit.AliasName_2 = "ObjectID";
//pFieldEdit.Name_2 = "ObjectID";
//pFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
//pFieldsEdit.set_Field(0, pFieldEdit);
pField = new FieldClass();
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "SHAPE";
pFieldEdit.Name_2 = "SHAPE";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
pFieldEdit.GeometryDef_2 = pGeomDef;
pFieldsEdit.set_Field(0, pFieldEdit);
pField = new FieldClass();
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "LineOID";
pFieldEdit.Name_2 = "LineOID";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.set_Field(1, pFieldEdit);
pField = new FieldClass();
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "Distance";
pFieldEdit.Name_2 = "Distance";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldsEdit.set_Field(2, pFieldEdit);
pField = new FieldClass();
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "Elevation";
pFieldEdit.Name_2 = "Elevation";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldsEdit.set_Field(3, pFieldEdit);
pField = new FieldClass();
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "X";
pFieldEdit.Name_2 = "X";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldsEdit.set_Field(4, pFieldEdit);
pField = new FieldClass();
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "Y";
pFieldEdit.Name_2 = "Y";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldsEdit.set_Field(5, pFieldEdit);
strFCName = System.IO.Path.GetFileNameWithoutExtension(System.IO.Path.GetRandomFileName());
char[] chars = strFCName.ToCharArray();
if (Char.IsDigit(chars[0]))
{
strFCName = strFCName.Remove(0, 1);
}
KillExistingFeatureclass(strFCName);
IFeatureClass pFeatureClass = workspace.CreateFeatureClass(strFCName, pFieldsEdit, CLSID, null, esriFeatureType.esriFTSimple, "SHAPE", "");
return(pFeatureClass);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
MessageBox.Show(ex.StackTrace);
return(null);
}
}
