Convert a resource hash to a byte array for noteStore.getResourceByHash

gistfile1.cs

/// To be used alongside our Cloud SDK: https://github.com/evernote/evernote-cloud-sdk-ios

/// "hashCode" below is the "hash=" value extracted from the en-media tag
byte[] bytes = ConvertStringToByteArray(hashCode);
Resource resrc = enNoteStore.getResourceByHash(authToken, noteGuid, bytes, true, false, false);
string resourceContent = Convert.ToBase64String(resrc.Data.Body);

/// The function convertStringToByteArray is:
private byte[] ConvertStringToByteArray(string stringToConvert)
{
    int length = stringToConvert.Length;
    int upperBound = length / 2;
    if (length % 2 == 0) {
        upperBound -= 1;
    } else {
        stringToConvert = "0" + stringToConvert;
    }
    byte[] bytes = new byte[upperBound];
    for (int i = 0; i <= upperBound; i++) {
        bytes(i) = Convert.ToByte(stringToConvert.Substring(i * 2, 2), 16);
    }
    return bytes;
}