Tips (1541)

Tip Rating (11):

uses
  RichEdit;

// Using the Paragraph property
procedure RE_AlignText1(ARichEdit: TRichEdit; alignment: TAlignment);
begin
  ARichEdit.Paragraph.Alignment := alignment;
end;

// Using PARAFORMAT2; nonVCL
procedure RE_AlignText2(ARichEdit: TRichEdit; alignment: TAlignment);
var
  pf2: PARAFORMAT2;
begin
  FillChar(pf2, SizeOf(pf2), 0);
  pf2.cbSize := SizeOf(PARAFORMAT2);
  SendMessage(ARichEdit.Handle, EM_GETPARAFORMAT, 0, Longint(@pf2));
  pf2.dwMask := PFM_ALIGNMENT;
  case alignment of
    taLeftJustify: pf2.wAlignment := PFA_LEFT;
    taCenter: pf2.wAlignment := PFA_CENTER;
    taRightJustify: pf2.wAlignment := PFA_RIGHT;
  end;
  SendMessage(ARichEdit.Handle, EM_SETPARAFORMAT, 0, Longint(@pf2));
end;

// Example: Right align text
// Beispiel: Text rechtsbündig ausrichten
procedure TForm1.Button1Click(Sender: TObject);
begin
  RE_AlignText2(RichEdit1, taRightJustify);
end;