CoInitialize(NULL);  //for ListView_SetBkImage. start of program
	LVBKIMAGE lv;
	char szFileName[MAX_PATH] = "D:\\back.bmp";
	ZeroMemory(&lv, sizeof(lv));
	lv.ulFlags = LVBKIF_STYLE_NORMAL | LVBKIF_SOURCE_URL;
	lv.pszImage = szFileName; //full path required
	lv.cchImageMax = MAX_PATH;
	BOOL bResult = ListView_SetBkImage(m_hWnd, &lv);
	CoUninitialize();  //end of program