public static Reference GetSpecialFamilyReference(
FamilyInstance inst,
SpecialReferenceType refType)
{
Reference indexRef = null;
int idx = (int)refType;
if (inst != null)
{
Document dbDoc = inst.Document;
Options geomOptions = dbDoc.Application.Create
.NewGeometryOptions();
if (geomOptions != null)
{
geomOptions.ComputeReferences = true;
geomOptions.DetailLevel = ViewDetailLevel.Undefined;
geomOptions.IncludeNonVisibleObjects = true;
}
GeometryElement gElement = inst.get_Geometry(
geomOptions);
GeometryInstance gInst = gElement.First()
as GeometryInstance;
String sampleStableRef = null;
if (gInst != null)
{
GeometryElement gSymbol = gInst
.GetSymbolGeometry();
if (gSymbol != null)
{
foreach (GeometryObject geomObj in gSymbol)
{
if (geomObj is Solid)
{
Solid solid = geomObj as Solid;
if (solid.Faces.Size > 0)
{
Face face = solid.Faces.get_Item(0);
sampleStableRef = face.Reference
.ConvertToStableRepresentation(
dbDoc);
break;
}
}
else if (geomObj is Curve)
{
Curve curve = geomObj as Curve;
sampleStableRef = curve.Reference
.ConvertToStableRepresentation(dbDoc);
break;
}
else if (geomObj is Point)
{
Point point = geomObj as Point;
sampleStableRef = point.Reference
.ConvertToStableRepresentation(dbDoc);
break;
}
}
}
if (sampleStableRef != null)
{
String[] refTokens = sampleStableRef.Split(
new char[] { ':' });
String customStableRef = refTokens[0] + ":"
+ refTokens[1] + ":" + refTokens[2] + ":"
+ refTokens[3] + ":" + idx.ToString();
indexRef = Reference
.ParseFromStableRepresentation(
dbDoc, customStableRef);
GeometryObject geoObj = inst
.GetGeometryObjectFromReference(
indexRef);
if (geoObj != null)
{
String finalToken = "";
if (geoObj is Edge)
{
finalToken = ":LINEAR";
}
if (geoObj is Face)
{
finalToken = ":SURFACE";
}
customStableRef += finalToken;
indexRef = Reference
.ParseFromStableRepresentation(
dbDoc, customStableRef);
}
else
{
indexRef = null;
}
}
}
else
{
throw new Exception("No Symbol Geometry found...");
}
}
return(indexRef);
}
public static Reference GetSpecialFamilyReference(
FamilyInstance inst,
SpecialReferenceType refType)
{
Reference indexRef = null;
int idx = (int) refType;
if( inst != null )
{
Document dbDoc = inst.Document;
Options geomOptions = dbDoc.Application.Create
.NewGeometryOptions();
if( geomOptions != null )
{
geomOptions.ComputeReferences = true;
geomOptions.DetailLevel = ViewDetailLevel.Undefined;
geomOptions.IncludeNonVisibleObjects = true;
}
GeometryElement gElement = inst.get_Geometry(
geomOptions );
GeometryInstance gInst = gElement.First()
as GeometryInstance;
String sampleStableRef = null;
if( gInst != null )
{
GeometryElement gSymbol = gInst
.GetSymbolGeometry();
if( gSymbol != null )
{
foreach( GeometryObject geomObj in gSymbol )
{
if( geomObj is Solid )
{
Solid solid = geomObj as Solid;
if( solid.Faces.Size > 0 )
{
Face face = solid.Faces.get_Item( 0 );
sampleStableRef = face.Reference
.ConvertToStableRepresentation(
dbDoc );
break;
}
}
else if( geomObj is Curve )
{
Curve curve = geomObj as Curve;
sampleStableRef = curve.Reference
.ConvertToStableRepresentation( dbDoc );
break;
}
else if( geomObj is Point )
{
Point point = geomObj as Point;
sampleStableRef = point.Reference
.ConvertToStableRepresentation( dbDoc );
break;
}
}
}
if( sampleStableRef != null )
{
String[] refTokens = sampleStableRef.Split(
new char[] { ':' } );
String customStableRef = refTokens[0] + ":"
+ refTokens[1] + ":" + refTokens[2] + ":"
+ refTokens[3] + ":" + idx.ToString();
indexRef = Reference
.ParseFromStableRepresentation(
dbDoc, customStableRef );
GeometryObject geoObj = inst
.GetGeometryObjectFromReference(
indexRef );
if( geoObj != null )
{
String finalToken = "";
if( geoObj is Edge )
{
finalToken = ":LINEAR";
}
if( geoObj is Face )
{
finalToken = ":SURFACE";
}
customStableRef += finalToken;
indexRef = Reference
.ParseFromStableRepresentation(
dbDoc, customStableRef );
}
else
{
indexRef = null;
}
}
}
else
{
throw new Exception( "No Symbol Geometry found..." );
}
}
return indexRef;
}