private PropListItem ensureProperty(int propType)
{
PropListItem item = lookupProperty (propType);
if (item == null) {
item = new PropListItem ();
item.Type = propType;
item.next = propListHead;
propListHead = item;
}
return item;
}
public void removeProp(int propType)
{
PropListItem x = propListHead;
if (x != null) {
PropListItem prev = null;
while (x.Type != propType) {
prev = x;
x = x.next;
if (x == null) {
return;
}
}
if (prev == null) {
propListHead = x.next;
}
else {
prev.next = x.next;
}
}
}
