internal void OnTaggerAdded(AsynchronousTagger <TTag> tagger)
{
// this should be only called from UI thread.
// in unit test, must be called from same thread as OnTaggerDisposed
Contract.ThrowIfTrue(_disposed);
Contract.ThrowIfFalse(_taggers >= 0);
_taggers++;
DebugRecordCurrentThread();
}
internal void OnTaggerDisposed(AsynchronousTagger <TTag> tagger)
{
// this should be only called from UI thread.
// in unit test, must be called from same thead as OnTaggerAdded
Contract.ThrowIfFalse(_taggers > 0);
_taggers--;
if (_taggers == 0)
{
this.Dispose();
DebugVerifyThread();
}
}
