/// <summary>
/// Returns an upper bound on the size of the PublicKey, as if it was written
/// to an output stream.
/// </summary>
/// <param name="comprMode">The compression mode</param>
/// <exception cref="ArgumentException">if the compression mode is not
/// supported</exception>
/// <exception cref="InvalidOperationException">if the size does not fit in
/// the return type</exception>
public long SaveSize(ComprModeType comprMode)
{
NativeMethods.PublicKey_SaveSize(
NativePtr, (byte)comprMode, out long outBytes);
return(outBytes);
}