private void button2_Click(object sender, EventArgs e) { VoiceCallBack = new VOICEAUDIOSTART(MyRealDataCallBack); bool bolResul = NET_DVR_ClientAudioStart_V30(VoiceCallBack, IntPtr.Zero); }
public static extern bool NET_DVR_ClientAudioStart_V30(VOICEAUDIOSTART fVoiceAudioStart, IntPtr pUser);