public FlagCheckedListBoxItem Add(FlagCheckedListBoxItem item)
{
Items.Add(item);
return item;
}
public bool IsMemberFlag(FlagCheckedListBoxItem item)
{
return (IsFlag && ((_value & item._value) == _value));
}
public FlagCheckedListBoxItem Add(int value, string caption)
{
FlagCheckedListBoxItem item = new FlagCheckedListBoxItem(value, caption);
Items.Add(item);
return item;
}
protected void UpdateCheckedItems(FlagCheckedListBoxItem item, CheckState checkState)
{
if (item._value == 0)
UpdateCheckedItems(0);
int sumValue = 0;
for (int x = 0; x < Items.Count; x++)
{
FlagCheckedListBoxItem i = Items[x] as FlagCheckedListBoxItem;
if (GetItemChecked(x))
sumValue |= i._value;
}
if (checkState == CheckState.Unchecked)
sumValue = sumValue & (~item._value);
else
sumValue |= item._value;
UpdateCheckedItems(sumValue);
}