public void RemoveFilterInstance(IFilterInstance instance)
{
this.filterInstances.Remove(instance);
for (int i = 0; i < this.filterInstances.Count; i++)
{
if (this.filterInstances[i].FamilyMask == instance.FamilyMask &&
this.filterInstances[i].FilterLevel > instance.FilterLevel &&
this.filterInstances[i].CheckFilterRequirements(this) == false)
{
this.filterInstances.RemoveAt(i);
--i;
}
}
this.RefreshResult();
}
private bool IdentifyFilter(string keywords)
{
string lowerKeywords = keywords.ToLower();
for (int i = 0; i < this.availableFilters.Count; i++)
{
IFilterInstance instance = this.availableFilters[i].Identify(this, keywords, lowerKeywords);
if (instance != null)
{
this.filterInstances.Add(instance);
return(true);
}
}
return(false);
}