private void __mousedown()
{
_down = true;
Stage.inst.onMouseUp.Add(__mouseup);
if (_mode == ButtonMode.Common)
{
SetState(DOWN);
}
if (linkedPopup != null)
{
if (linkedPopup is Window)
{
((Window)linkedPopup).ToggleStatus();
}
else
{
GRoot r = this.root;
if (r != null)
{
r.TogglePopup(linkedPopup, this);
}
}
}
}