protected override void OnItemCheck(ItemCheckEventArgs e)
{
base.OnItemCheck(e);
if (this.isUpdatingCheckStates)
{
return;
}
BitmaskItem item = base.Items[e.Index] as BitmaskItem;
if (item.Value == 0)
{
this.BitmaskValue = 0;
}
else if (e.NewValue == CheckState.Checked)
{
this.BitmaskValue |= item.Value;
}
else if (e.NewValue == CheckState.Unchecked)
{
this.BitmaskValue &= ~item.Value;
}
this.Accept();
}
public void OnKeyDown(KeyEventArgs e)
{
if (e.KeyCode == Keys.ControlKey)
{
this.EmitInvalidate();
}
if (e.KeyCode == Keys.Return || e.KeyCode == Keys.Right || (e.KeyCode == Keys.Down && e.Control))
{
this.ShowDropDown();
e.Handled = true;
}
else if (e.Control && e.KeyCode == Keys.C)
{
DataObject data = new DataObject();
data.SetText(this.bitmaskStr);
data.SetData(ClipboardDataFormat, this.bitmask);
Clipboard.SetDataObject(data);
e.Handled = true;
}
else if (e.Control && e.KeyCode == Keys.V)
{
bool success = false;
ulong pasteValue = 0;
if (Clipboard.ContainsData(ClipboardDataFormat))
{
pasteValue = (ulong)Clipboard.GetData(ClipboardDataFormat);
success = true;
}
else if (Clipboard.ContainsText())
{
string[] pasteObj = Clipboard.GetText().Split(new [] { ", " }, StringSplitOptions.RemoveEmptyEntries);
foreach (string p in pasteObj)
{
if (p == null)
{
continue;
}
BitmaskItem item = this.dropdownItems.FirstOrDefault(obj => obj != null && p == obj.ToString());
if (item != null)
{
pasteValue |= item.Value;
success = true;
}
}
}
if (success)
{
this.bitmask = pasteValue;
this.bitmaskStr = this.DefaultValueStringGenerator(this.bitmask);
this.EmitInvalidate();
this.EmitEdited(this.bitmask);
}
else
{
System.Media.SystemSounds.Beep.Play();
}
e.Handled = true;
}
}