private void checkedComboBox1_ItemCheck(object sender, ItemCheckEventArgs e)
{
if (_stopEvent)
{
return;
}
var result = BaseIndex.SpecialFunction;
if (e.Index == 0)
{
if (e.NewValue == CheckState.Unchecked)
{
//не даем снять галку с первого
e.NewValue = CheckState.Checked;
return;
}
if (e.NewValue == CheckState.Checked)
{
//снимаем все галки кроме первой
_stopEvent = true;
for (var i = 1; i < _specialFunctions.Count; i++)
{
SpecialFunctionCheckedComboBox.SetItemChecked(i, false);
}
_stopEvent = false;
result = SpecialFunction.NotSelected;
}
}
else if (e.NewValue == CheckState.Checked)
{
//снимаем галку с первого если выделили новое
_stopEvent = true;
SpecialFunctionCheckedComboBox.SetItemChecked(0, false);
_stopEvent = false;
result = EnumHelper.RemoveFlag(result, SpecialFunction.NotSelected);
result = result | _specialFunctions[e.Index];
}
else if (e.NewValue == CheckState.Unchecked)
{
result = EnumHelper.RemoveFlag(result, _specialFunctions[e.Index]);
if (result == SpecialFunction.None)
{
//сняли галки со всех, значит ничего не выбрано
_stopEvent = true;
SpecialFunctionCheckedComboBox.SetItemChecked(0, true);
_stopEvent = false;
result = SpecialFunction.NotSelected;
}
}
BaseIndex.SpecialFunction = result;
}
protected void CheckItems()
{
var i = 0;
var sf = BaseIndex.SpecialFunction;
_stopEvent = true;
foreach (var f in _specialFunctions)
{
SpecialFunctionCheckedComboBox.SetItemChecked(i, sf.HasFlag(f));
i++;
}
_stopEvent = false;
}
