[quote user="Paul Connelly"]auto map = attr->GetValue(value, L"ValueMap", i);
ECValue integer, displayString;
map->GetValue(integer, L"Value");[/quote]
Thanks for the hint: you set me off on the right track. Unfortunately, that doesn't compile — ECValue (auto's type) doesn't have a GetValue() method.
For those <ValueMap><ValueMap>pair1</ValueMap><ValueMap>pair2</ValueMap></ValueMap> structures we need to use ECValue.GetStruct() to obtain an ECInstance that we can then query for the pair1, pair2 values.
ECN::ECClassCP formatClass { schema->GetClassCP (L"ClassName") };
ECPropertyIterable props { formatClass->GetProperties () };
for (ECPropertyCP prop: props)
{
IECInstancePtr standardVals = prop->GetCustomAttribute (L"EditorCustomAttributes", L"StandardValues");
ECValue valuesArray;
standardVals->GetValue (valuesArray, L"ValueMap");
if (valuesArray.IsArray ())
{
ECValue valueMap;
for (uint32_t i = 0; i < valuesArray.GetArrayInfo().GetCount(); ++i)
{
standardVals->GetValue (valueMap, L"ValueMap", i);
if (valueMap.IsStruct ())
{
IECInstancePtr pair = valueMap.GetStruct ();
ECValue integer, displayString;
pair->GetValue (integer, L"Value");
pair->GetValue (displayString, L"DisplayString");
}
}
}
Here's an extract for AreaClass/Units...
US Survey Inches=1124 US Survey Feet=1099 US Survey Miles=1049 Micrometers=2150 Millimeters=2125 Centimeters=2100 Meters=2075 Kilometers=2050 MicroInches=1175 Mils=1150 Inches=1125 Feet=1100 Yards=1075 Miles=1050 Acres=-3 (Use Active Sub Units)=-2 (Use Active Master Units)=-1 'Units' valuesArray count=17