C / C++ / MFC

void CMFCDlg::OnOK() <br />
{<br />
	// TODO: Add extra validation here<br />
	MessageBox("","",MB_OK);<br />
}

void CMainFrame::OnFileNew() <br />
{<br />
	// TODO: Add your command handler code here<br />
	HWND hWnd1,hWnd2;<br />
	hWnd1 = ::FindWindow(NULL,"MFC");// Here is the Main Window title.<br />
	hWnd2 = ::FindWindowEx(hWnd1,NULL,"#32770",NULL);<br />
	if(!hWnd2)<br />
	{<br />
			MessageBox("Get Window Handle is failed！");<br />
	}<br />
}

char str[16]="my name is %s";
char name[8]="xman";
char res[24];
sprintf(res,str,xman);
printf("%s",res);