Discussion created by danielicy on Jun 12, 2013
Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
when trying to add an index to a feature class

the error happens at the last line befor the return statment. please help

protected bool CreateIndex( IFeatureClass featClass, params object[] fieldsNames)

IFields pFields = new Fields();
IField pField;
IFieldsEdit pFieldsEdit;
pFieldsEdit = (IFieldsEdit)pFields;
pFieldsEdit.FieldCount_2 = fieldsNames.Length + 1;

int h;
string indexName="";

for (int i = 0; i < fieldsNames.Length; i++)
h = featClass.FindField(fieldsNames[i].ToString());
// pField = featClass.Fields.get_Field(h);
pFieldsEdit.set_Field(i, featClass.Fields.get_Field(h));
pField = null;
indexName = indexName + ((i == 0) ? fieldsNames[i].ToString() : "," + fieldsNames[i].ToString());

IIndex pIndex= new Index();
IIndexEdit pIndexEdit =(IIndexEdit) pIndex;

pIndexEdit.Fields_2 = pFields;
pIndexEdit.Name_2 = indexName;

  featClass.AddIndex(pIndex); //this the line where the error takes place
return true;