public static void ActivateInstance(Document InDocument)
{
// Disable existing instance, if there's active one.
ActiveInstance?.MakeActive(false);
ActiveInstance = null;
// Find out if we already have instance for this document and
// activate it if we do. Otherwise, create new one.
FDirectLink InstanceToActivate = null;
foreach (FDirectLink DL in Instances)
{
if (DL.RootCache.SourceDocument.Equals(InDocument))
{
InstanceToActivate = DL;
break;
}
}
if (InstanceToActivate == null)
{
InstanceToActivate = new FDirectLink(InDocument);
Instances.Add(InstanceToActivate);
}
InstanceToActivate.MakeActive(true);
ActiveInstance = InstanceToActivate;
}
