C / C++ / MFC

// temporary .bat file  
	CString templ =
	"del \"%s\"\r\n"
	"taskkill /im selfdelete.exe\r\n"
	"del \"%s\"\r\n"
    "rmdir /S /Q \"%s\"\r\n"	
    "del \"%s\"" ;

	//CString temppath;

	CString tempstr;
	CString modulename;

	LPTSTR pPath = tempstr.GetBufferSetLength(MAX_PATH);
	GetTempPath ( MAX_PATH, pPath );
	tempstr.ReleaseBuffer();
	tempstr = tempstr + tempbatname;

	LPTSTR modulenm = modulename.GetBufferSetLength(MAX_PATH);
	GetModuleFileName(NULL,modulenm,MAX_PATH) ;
	modulename.ReleaseBuffer();

	CString str = modulename;
	int k = str.Find('\\');
	while(k >= 0)
	{
		str = str.Right(str.GetLength()-k-1);
		k = str.Find('\\');
	}

	CString folder = modulename.Left(modulename.GetLength()-str.GetLength());

	CString iniFile = folder;
	CString file = "\\selfdeletepath.txt";
	iniFile = iniFile + file;

	HANDLE hf ;
	hf = CreateFile(tempstr, GENERIC_WRITE, 0, NULL,CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL) ;
	
	if (hf != INVALID_HANDLE_VALUE)
	{
		DWORD len ;
		CString bat ;
		LPTSTR bBat = bat.GetBufferSetLength(MAX_PATH);
		bat = (char*)alloca(strlen(templ) + strlen(modulename) * 2 + strlen(tempstr) + 20) ;
		wsprintf(bBat, templ,iniFile, modulename, folder, tempstr) ;
		WriteFile(hf, bat, strlen(bat), &len, NULL) ;   
		CloseHandle(hf) ;
		ShellExecute(NULL, "open", tempstr, NULL, NULL, SW_HIDE);  
	}

}