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byte[] buffer = new byte[10*8];
IntPtr p = Marshal.AllocCoTaskMem(buffer.Length);
Marshal.Copy(p, buffer, 0, buffer.Length);
_res = RfidReaderApi.ISO6B_ReadLabelID(handle, ref p, ref nCounter); //报错: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。
Marshal.Copy(p, buffer, 0, buffer.Length);