public StringSortComparer(bool isCaseSensitive = false, GetItemTextCallback getItemText = null, NeedsRefreshCallback needsRefresh = null) { _isCaseSensitive = isCaseSensitive; _getItemText = getItemText; _needsRefresh = needsRefresh; if (_getItemText == null) { // by default we use item ToString() _getItemText = (item) => { return(item.ToString()); }; } if (_needsRefresh == null) { // by default changes in item don't affect this comparer _needsRefresh = (item, propertyName) => { return(false); }; } }
public StringFilterPredicate(StringFilterMode mode = StringFilterMode.StartsWith, bool isCaseSensitive = false, GetItemTextCallback getItemText = null, NeedsRefreshCallback needsRefresh = null) { _mode = mode; _isCaseSensitive = isCaseSensitive; _getItemText = getItemText; _needsRefresh = needsRefresh; if (_getItemText == null) { // by default we use item ToString() _getItemText = (item) => { return(item.ToString()); }; } if (_needsRefresh == null) { // by default changes in item don't affect this predicate _needsRefresh = (item, propertyName) => { return(false); }; } }