public static List<AttributeInfo> GetAttrRefs(BlockReference blRef)
{
List<AttributeInfo> resVal = new List<AttributeInfo>();
if (blRef?.AttributeCollection != null)
{
foreach (ObjectId idAttrRef in blRef.AttributeCollection)
{
if (idAttrRef.IsErased) continue;
using (var atrRef = idAttrRef.Open(OpenMode.ForRead, false, true) as AttributeReference)
{
if (atrRef.Visible)
{
AttributeInfo ai = new AttributeInfo(atrRef);
resVal.Add(ai);
}
}
}
}
return resVal;
}
public static List<AttributeInfo> GetAttrDefs(ObjectId idBtr)
{
List<AttributeInfo> resVal = new List<AttributeInfo>();
if (!idBtr.IsNull)
{
using (var btr = idBtr.Open(OpenMode.ForRead) as BlockTableRecord)
{
foreach (var idEnt in btr)
{
using (var attrDef = idEnt.Open(OpenMode.ForRead, false, true) as AttributeDefinition)
{
if (attrDef != null && attrDef.Visible)
{
var attrDefInfo = new AttributeInfo(attrDef);
resVal.Add(attrDefInfo);
}
}
}
}
}
return resVal;
}