public int ValidNormLevelScaledGetBufferHostSize()
{
int bufferSize = 0;
status = NPPNativeMethods.NPPi.ImageProximity.nppiValidNormLevelGetBufferHostSize_8u_C3RSfs(_sizeRoi, ref bufferSize);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiValidNormLevelGetBufferHostSize_8u_C3RSfs", status));
NPPException.CheckNppStatus(status, this);
return bufferSize;
}