public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
TypeConverter.StandardValuesCollection valuess = this._standardValues;
if (this._standardValues == null)
{
DataTable elements = new OleDbEnumerator().GetElements();
DataColumn column2 = elements.Columns["SOURCES_NAME"];
DataColumn column = elements.Columns["SOURCES_TYPE"];
List <string> values = new List <string>(elements.Rows.Count);
foreach (DataRow row in elements.Rows)
{
int num = (int)row[column];
if ((1 == num) || (3 == num))
{
string item = (string)row[column2];
if (!OleDbConnectionString.IsMSDASQL(item.ToLower(CultureInfo.InvariantCulture)) && (0 > values.IndexOf(item)))
{
values.Add(item);
}
}
}
valuess = new TypeConverter.StandardValuesCollection(values);
this._standardValues = valuess;
}
return(valuess);
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
StandardValuesCollection dataSourceNames = _standardValues;
if (null == _standardValues)
{
// Get the sources rowset for the SQLOLEDB enumerator
DataTable table = (new OleDbEnumerator()).GetElements();
DataColumn column2 = table.Columns["SOURCES_NAME"];
DataColumn column5 = table.Columns["SOURCES_TYPE"];
//DataColumn column4 = table.Columns["SOURCES_DESCRIPTION"];
System.Collections.Generic.List <string> providerNames = new System.Collections.Generic.List <string>(table.Rows.Count);
foreach (DataRow row in table.Rows)
{
int sourceType = (int)row[column5];
if (DBSOURCETYPE_DATASOURCE_TDP == sourceType || DBSOURCETYPE_DATASOURCE_MDP == sourceType)
{
string progid = (string)row[column2];
if (!OleDbConnectionString.IsMSDASQL(progid.ToLowerInvariant()))
{
if (0 > providerNames.IndexOf(progid))
{
providerNames.Add(progid);
}
}
}
}
// Create the standard values collection that contains the sources
dataSourceNames = new StandardValuesCollection(providerNames);
_standardValues = dataSourceNames;
}
return(dataSourceNames);
}