dbgrid中下拉框的问题

Question

dbgrid中某个字段是下拉框，怎样在不用鼠标的情况用键盘选择下拉框中值
因为快速输入是不用鼠标的（程序中如何做）

Answer 1

试试alt+光标下键
droped or dropdowned

Answer 2

在OnColEnter事件中写
with DbGrid1 do
  if Columns[selectedindex].picklist.count > 0 then
  begin
    keybd_event(VK_MENU,0,0,0);
    keybd_event(VK_DOWN,0,0,0);
    keybd_event(VK_DOWN,0,KEYEVENTF_KEYUP,0);
    keybd_event(VK_MENU,0,KEYEVENTF_KEYUP,0);
  end;