public PropertyValue this[ 
   int index
]; {get; set;}

PropertyValue oProperty = m_oTestProject.Pages[0].Functions[0].Properties[ FUNC_INDEXED_PROPERTY ];
if(oProperty.IsIndexed && oProperty.MaxIndex > 2)
{
// oP_2 points to indexed property, so there is needed index to fetch logic value.
PropertyValue oP_2 = oProperty[ 1 ]; // now oP_2 points to first index of property FUNC_INDEXED_PROPERTY
string xxx = oP_2.ToString();
if ( oProperty.MaxIndex < 100 )
{
	string xxxx = oProperty[ 100 ];	 // there will be thrown an exception : InvalidIndexException.
	string xxxx2 = oProperty[ 0 ]; // there also.
}
	
string xxx2 = oProperty; // there will be thrown an exception : IndexedPropertyException, because there wasn't set index.
}