EnableMenuItem(GetSystemMenu(Handle, FALSE), SC_CLOSE,MF_BYCOMMAND or MF_GRAYED); 如果要把整个标题栏去掉,则在OnCreate中写: SetWindowLong(handle,GWL_STYLE,GetWindowLong(handle,GWL_STYLE) and not WS_CAPTION); 本文来自Delphi之窗,原文地址:http://www.52delphi.com