IDSTR(WM_CAP_SET_CALLBACK_FRAME),"在應(yīng)用程序中指定回調(diào)函數(shù)(當(dāng)預(yù)覽圖像幀被捕獲了的時(shí)候就調(diào)用它),宏:capSetCallbackOnFrame", IDSTR(WM_CAP_SET_CALLBACK_STATUS),"在應(yīng)用程序中指定回調(diào)函數(shù)(當(dāng)狀態(tài)改變時(shí)就調(diào)用它),宏:capSetCallbackOnStatus", IDSTR(WM_CAP_SET_CALLBACK_VIDEOSTREAM),"在應(yīng)用程...
www.dbjr.com.cn/article/666...htm 2025-6-10