ModifyStyleEx(WS_EX_APPWINDOW,WS_EX_TOOLWINDOW);
ShowWindow(SW_HIDE);
ModifyStyleEx(WS_EX_APPWINDOW,WS_EX_TOOLWINDOW);
WINDOWPLACEMENT wp; // 显示隐藏 ==
wp.length=sizeof(WINDOWPLACEMENT);
wp.flags=WPF_RESTORETOMAXIMIZED;
wp.showCmd=SW_SHOW;
SetWindowPlacement(&wp);