Adapt Height of a form depending on a TMemo text content

On a TForm I have a TMemo
I fill in the TMemo lines with some text (variable) (wordwrap is true)
I want to programmatically adapt the height of the form so that the entire text is visible (no scrollbars and anchor is adapted)
Thanks
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LeTayAsked:
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Sinisa VukSoftware architectCommented:
I made simple example...
procedure TForm1.Button1Click(Sender: TObject);
var
  rc: TRect;
  dc: HDC;
  SaveFont: HFont;
  s: String;
begin
  ZeroMemory(@rc, SizeOf(TRect));
  //get dc
  dc := GetDC(Memo1.Handle);
  //font
  SaveFont := SelectObject(dc, Memo1.Font.Handle);
  //get calculated rect
  s := Memo1.Text;
  DrawText(dc , PAnsiChar(s), Length(s), rc, DT_CALCRECT or DT_NOCLIP );   
  //restore old
  SelectObject(dc, SaveFont);
  //
  ReleaseDC(Memo1.Handle, dc);
  //set memo size
  Memo1.ClientHeight := (rc.Bottom  - rc.Top);
  Memo1.ClientWidth := (rc.Right  - rc.Left);

  Form1.ClientHeight := Memo1.Top + Memo1.Height + 5;
end;

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Note... text is already word-wrapped.

More extended (and complex) example could be find here in a one old similar EE topic...
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Geert GOracle dbaCommented:
what happens if the text doesn't fit on the entire screen ?

wanting the form to be larger than the screen might give problems
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