Developer, Former MVP, now at Microsoft - Best of 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Win32Api.SendMessage( new HandleRef(textBox1, textBox1.Handle), Win32Api.EM_SETCUEBANNER, IntPtr.Zero, "some prompt. click in the textbox to make me go away");
internal const uint ECM_FIRST = 0x1500;internal const uint EM_SETCUEBANNER = ECM_FIRST + 1;