小問題,多幫忙(10分)

J

jhh1004

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GUEST, unregistred user!

• 2004-01-05

• #1

如何,實現
在combobox1獲得輸入焦點時按下向下方向鍵就打開combobox

 

A

archonwang

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GUEST, unregistred user!

• 2004-01-05

• #2

keypress事件吧？

 

J

jhh1004

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2004-01-05

• #3

可是如何打開COMBOBOX

 

J

jackchin

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2004-01-05

• #4

ComboBox1的OnEnter事件
procedure TForm1.ComboBox1Enter(Sender: TObject);
begin
PostMessage(ComboBox1.Handle, CB_SHOWDROPDOWN, 1, 0);
end;

 

J

jhh1004

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2004-01-05

• #5

多人接受答案了。