/// <summary>Initializes a new instance of the <see cref="SafeByteArray"/> class by copying the bytes from another unmanaged array.</summary>
/// <param name="src">Another unmanaged array.</param>
/// <exception cref="System.ArgumentNullException">src</exception>
/// <exception cref="System.ArgumentException">Invalid source object. - src</exception>
public SafeByteArray(SafeByteArray src) : base(src?.Count ?? 0)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
if (src.IsInvalid)
{
throw new ArgumentException(@"Invalid source object.", nameof(src));
}
CopyMemory(src.handle, handle, src.Count);
}
// write to a UTF8 stream
public static HRESULT IStream_ReadToBuffer(IStream pstm, uint uMaxSize, out byte[] ppBytes)
{
ppBytes = null;
var hr = IStream_Size(pstm, out var uli);
if (hr.Succeeded)
{
hr = (uli < uMaxSize) ? HRESULT.S_OK : HRESULT.E_FAIL;
if (hr.Succeeded)
{
var uliLowPart = (uint)(uli & uint.MaxValue);
using (var pdata = new SafeByteArray((int)uliLowPart))
{
hr = IStream_Read(pstm, (IntPtr)pdata, uliLowPart);
if (hr.Succeeded)
{
ppBytes = pdata.ToArray();
}
}
}
}
return(hr);
}