求教editbox

请教各位大大怎样在程序中动态的控制使editbox不可编辑,或者是变灰

标准做法:SendMessage( hEditWnd, EM_SETREADONLY, (WPARAM)true, 0);
或者:EnableWindow(hEditWnd, false);

see the msdn about:
BOOL EnableWindow(
  HWND hWnd,     // handle to window
  BOOL bEnable   // enable or disable input
);