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DateTimePicker1.DateTime:=DateAndTime;
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ËÑË÷£ºTDateTimePicker.CNNotify(var Message: TWMNotify); ÔÚÕâ¸öº¯ÊýÖУ¬´úÂ룺
procedure TDateTimePicker.CNNotify(var Message: TWMNotify);
var
DT: TDateTime;
AllowChange: Boolean;
begin
with Message, NMHdr^ do
begin
Result := 0;
case code of
DTN_CLOSEUP:
begin
FDroppedDown := False;
SetDate(SystemTimeToDateTime(FLastChange));
if Assigned(FOnCloseUp) then FOnCloseUp(Self);
end;
DTN_DATETIMECHANGE:
begin
with PNMDateTimeChange(NMHdr)^ do
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procedure TForm1.Timer1Timer(Sender: TObject);
begin
Windows.Beep(1200+i_f,10+i_f);
if i_f<2000 then
begin
inc(i_f);
end
end;
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FindWindow(
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): HWND; {·µ»Ø´°¿ÚµÄ¾ä±ú; ʧ°Ü·µ»Ø 0}
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var s1:string;
var i:integer;
var n1:integer;
var tem1: string;
var tem2:integer;
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