类似Access查找中的记忆功能

procedure TComLocateFrm.LocateBtnClick(Sender: TObject); var setLoOptions : TLocateOptions; i : integer; slKeys : TStrings; begin if ComboBox1.Items.IndexOf(ComboBox1.Text)0 then try slKeys := TStringList.Create; slKeys.AddStrings(ComboBox

procedure TComLocateFrm.LocateBtnClick(Sender: TObject);
var
setLoOptions : TLocateOptions;
i : integer;
slKeys : TStrings;
begin

if ComboBox1.Items.IndexOf(ComboBox1.Text) try
slKeys := TStringList.Create;
slKeys.AddStrings(ComboBox1.Items);
ComboBox1.Items.Clear;
ComboBox1.Items.Add(ComboBox1.Text);
for i := 0 to 8 do
if i ComboBox1.Items.Add(slKeys.Strings[i]);
finally
slKeys.Free;
end
else begin
i := ComboBox1.Items.IndexOf(ComboBox1.Text);
ComboBox1.Items.Insert(0,ComboBox1.Text);
ComboBox1.Items.Delete(i+1);
ComboBox1.ItemIndex := 0;
end;

if rdoExactly.Checked then
setLoOptions := []
else
setLoOptions := [loPartialKey];
if Not DesDataSet.Locate('ZTM', ComboBox1.Text, setLoOptions) then
MessageBox(Handle, '没有找到符合条件的记录。', '提示', 0+64);
end;

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