SPECIAL OFFER        Order and save right now!
20% off with the 729824315 dicscount code for Ultimate Pack and any another product for Delphi from Greatis Programming!

⤷ Simulate KeyDown event

Use SendMessage procedure or Perform method for sending WM_CHAR message:

procedure TForm1.Button1Click(Sender: TObject);
begin
  SendMessage(Memo1.Handle,WM_CHAR,Ord('A'),0);
end;
More for developers
Databases for Amazon Associates
Amazon Categories
Amazon Nodes