API - mostrando asteriscos na edit do inputbox |
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const InputBoxMessage = WM_USER + 123; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); private { Private declarations } procedure InputBoxSetPasswordChar (var Msg: TMessage); message InputBoxMessage; public { Public declarations } end;
var Form1: TForm1;
implementation {$R *.DFM} procedure TForm1.InputBoxSetPasswordChar (var Msg: TMessage); var hInputForm, hEdit, hButton: HWND; begin hInputForm := Screen.Forms[0].Handle; if (hInputForm <> 0) then begin hEdit := FindWindowEx (hInputForm, 0, ‘TEdit’, nil); SendMessage (hEdit, EM_SETPASSWORDCHAR, Ord(‘*’), 0); end; end;
procedure TForm1.Button1Click(Sender: TObject); var InputString: string; begin PostMessage(Handle, InputBoxMessage, 0, 0); InputString := InputBox (‘The Club’, ‘Digite a senha’, ‘’); if InputString <> ‘’ then ShowMessage(‘Retorno do InputBox ‘ + InputString); end; |