海康威视 NET_DVR_FindFile NET_DVR_PlayBackByTime 尝试读取或写入受保护的内存,这通常指示其他内存已损坏
从农民伯伯那下载的代码
NET_DVR_PlayBackByTime NET_DVR_FindFile 这两个方法执行不了
下面是我改的 经过测试了
[DllImport("HCNetSDK.dll")]
public static extern int NET_DVR_PlayBackByTime(int lUserID, int lChannel, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime, IntPtr hWnd);
[DllImport("HCNetSDK.dll")]
public static extern int NET_DVR_FindFile(int lUserID, int lChannel, uint dwFileType,ref NET_DVR_TIME lpStartTime,ref NET_DVR_TIME lpStopTime);
[DllImport("HCNetSDK.dll")] public static extern int NET_DVR_PlayBackByTime(int lUserID, int lChannel, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime, IntPtr hWnd); [DllImport("HCNetSDK.dll")] public static extern int NET_DVR_FindFile(int lUserID, int lChannel, uint dwFileType,ref NET_DVR_TIME lpStartTime,ref NET_DVR_TIME lpStopTime);
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