RE: [DUG]: Designing Component, Sender to Component, Hiding Stringgrid Colum

[Kyley Harris]

procedure TSoftShare.SetUseHDSerial(AState: Boolean);
begin
  FUseHDSerial := AState;
  FUseDateTime := not FUseHDSerial;
end;

procedure TSoftShare.SetUseDateTime(AState: Boolean);
begin
  FUseDateTime := AState;
  FUseHDSerial := not FUseDateTime;
end;

-----Original Message-----
From: Alistair George [mailto:[EMAIL PROTECTED]]
Sent: Monday, 16 December 2002 8:02 a.m.
To: Multiple recipients of list delphi
Subject: [DUG]: Designing Component, Sender to Component, Hiding
Stringgrid Colum


Hi. I have a bunch of questions. Answers to any appreciated:
Q1 altering a registration component. On the components property form, I want to
have two properties: UseHdSerialNumber & UseDateTime, each exclusive. Thus if
one is selected True, the other is forced to False (and displays False).
Please; how to alter the other Property at design-time. I did the following but
not correct:

procedure TSoftShare.SetUseHDSerial(AState: Boolean);
begin
  FUseHDSerial := AState;
  if AState then SetUseDateTime(false);
end;

procedure TSoftShare.SetUseDateTime(AState: Boolean);
begin
  FUseDateTime := AState;
  if AState then SetUseHDSerial(false);
end;


Q2: I want to pass some parameters to a showmodal form; How to do please:
procedure TMainform.About1Click(Sender: TObject);
begin
  with Tb4winForm.Create(nil) do
  try
    ShowModal;
  finally
    release;
  end;
end;

Should I just declare a global variable from within the caller routine, or can I
(preferably) pass the parameter within the above code?

Q3: I have a non-standard stringgrid. I have to include column data which should
not be displayed. There seems to be no hidecolum function in stringgrids is this
correct? (Or any other alternative suggestion - I dont want the column to
display, not just make the contents invisible).

Thanks very much.
Alistair+

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