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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.Button2Click(Sender: TObject);
var
name:String ;
begin
name := edit2.Text ;
name := '%' + name ;
query1.Close ;
query1.SQL.Clear ;
query1.SQL.Add('select * from gjh_t where name like '''+name+'''') ;
&nb ......
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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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