private bool _raiseSelectionChange(BplClass[] newClasses, BplClass[] oldClasses) {
var handler1 = SelectedClassesChanging;
var handler2 = SelectedClassesChanged;
if (newClasses.Length > 0 || oldClasses.Length > 0) {
if (handler1 != null) {
handler1(this, EventArgs.Empty);
}
newClasses.Apply(c => _selectedClasses.Add(c));
oldClasses.Apply(c => _selectedClasses.Remove(c));
if (handler2 != null) {
handler2(this, new ClassSelectionEventArgs(newClasses, oldClasses));
}
_refreshFocus();
return true;
} else {
return false;
}
}
