String Zeichen einzeln ausgeben

[DeddyH]

Ungetestet:

Delphi-Quellcode:

procedure TForm2.DoOnEditChange(Sender: TObject);
begin
  if Sender is TEdit then
    if TEdit(Sender).Text = 'A' then
      ShowMessage('Aha');
end;

procedure TForm2.NewEdit(Index: integer; const DisplayText: string);
begin
  Assert((Index >= Low(EditArray)) and (Index <= High(EditArray), 'Ungültiger Index');
  EditArray[Index] := TEdit.Create(Self);
  EditArray[Index].Parent := Self;
  EditArray[Index].Left := 16 + (EditArray[Index].Left + 32) * i;
  EditArray[Index].Top := 380;
  EditArray[Index].Width := 30;
  EditArray[Index].Font.Name := 'Comic Sans MS';
  EditArray[Index].Font.Size := 14;
  EditArray[Index].MaxLength := 1;
  EditArray[Index].Alignment := taCenter;
  EditArray[Index].OnChange := DoOnEditChange;
  EditArray[Index].Text := DisplayText;
end;

procedure TForm2.RecreateEdits(const TextToDisplay: string);
var
  i: integer;
begin
  for i := Low(EditArray) to High(EditArray) do
    EditArray[i].Free;
  SetLength(EditArray, Length(TextToDisplay));
  for i := Low(EditArray) to High(EditArray) do
    NewEdit(i, TextToDisplay[i + 1]);
end;

procedure TForm2.BtnStartClick(Sender: TObject);
var
  i: Integer;
begin
  EditText.Visible := false;
  BtnStart.Visible := false;
  BtnClear.Visible := false;

  RecreateEdits(EditText.Text);
end;