procedure TForm1.FormCreate(Sender: TObject);
begin
if not Table1.Exists then
begin
Table1.CreateTable;
end;
Table1.Open;
end;
procedure TForm1.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
if (gdFocused in State) and
(Column.Field = Table1Senior) then
begin
DBCheckBox1.SetBounds (
Rect.Left + DBGrid1.Left + 1,
Rect.Top + DBGrid1.Top + 1,
Rect.Right - Rect.Left + 1,
Rect.Bottom - Rect.Top + 1);
end;
end;
procedure TForm1.DBGrid1ColEnter(Sender: TObject);
begin
if DBGrid1.Columns [DBGrid1.SelectedIndex].
Field = Table1Senior then
DBCheckBox1.Visible := True
else
DBCheckBox1.Visible := False;
end;
procedure TForm1.DBGrid1KeyPress(Sender: TObject; var Key: Char);
begin
if DBCheckBox1.Visible and (Ord (Key) > 31) then
begin
Key := #0;
Table1.Edit;
DBCheckBox1.Checked := not
DBCheckBox1.Checked;
DBCheckBox1.Field.AsBoolean :=
DBCheckBox1.Checked;
end;
end;