public UInt32 LoadChecksumDll(string dllPath, byte[] pBuffer, UInt32 u32Size)
{
UInt32 CheckSumResult = 0;
IntPtr hModule = NativeMethod.LoadLibrary(dllPath);
if (hModule == IntPtr.Zero)
{
return(CheckSumResult); //如果dll文件不存在，返回空
}
IntPtr intPtr = NativeMethod.GetProcAddress(hModule, "CalcChecksum");
CalcChecksum calcChecksum = (CalcChecksum)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcChecksum));
CheckSumResult = calcChecksum(ref pBuffer[0], u32Size);
return(CheckSumResult);
}
public static extern bool CalcChecksums(
IntPtr pPacket,
uint packetLen,
out Address address,
CalcChecksum calcChecksumFlags);
