/// <summary>
/// Create a new buffer with allocations for a specified set of attributes.
/// </summary>
/// <param name="flags">The attributes to allocate.</param>
/// <returns>The allocated buffed.</returns>
public static SafeAlpcMessageAttributesBuffer Create(AlpcMessageAttributeFlags flags)
{
NtStatus status = NtAlpcNativeMethods.AlpcInitializeMessageAttribute(flags, Null, 0, out int size);
if (status != NtStatus.STATUS_BUFFER_TOO_SMALL)
{
throw new NtException(status);
}
SafeAlpcMessageAttributesBuffer buffer = new SafeAlpcMessageAttributesBuffer(size);
NtAlpcNativeMethods.AlpcInitializeMessageAttribute(flags, buffer, buffer.Length, out size).ToNtException();
return(buffer);
}
/// <summary>
/// Get a pointer to an allocated attribute. Returns NULL if not available.
/// </summary>
/// <param name="attribute">The attribute to get.</param>
/// <returns>The pointer to the attribute buffer, IntPtr.Zero if not found.</returns>
public IntPtr GetAttributePointer(AlpcMessageAttributeFlags attribute)
{
return(NtAlpcNativeMethods.AlpcGetMessageAttribute(this, attribute));
}
