/// <summary>
/// Creates, fills and submits an asynchronous <see cref="UsbTransfer"/> context.
/// </summary>
/// <remarks>
/// <note type="tip">This is a non-blocking asynchronous transfer function. This function returns immediately after the context is created and submitted.</note>
/// </remarks>
/// <param name="buffer">A caller-allocated buffer for the data that is transferred.</param>
/// <param name="offset">Position in buffer that transferring begins.</param>
/// <param name="length">Number of bytes, starting from thr offset parameter to transfer.</param>
/// <param name="timeout">Maximum time to wait for the transfer to complete.</param>
/// <param name="transferContext">On <see cref="ErrorCode.Success"/>, a new transfer context.</param>
/// <returns><see cref="ErrorCode.Success"/> if the transfer context was created and <see cref="UsbTransfer.Submit"/> succeeded.</returns>
/// <seealso cref="SubmitAsyncTransfer(object,int,int,int,out LibUsbDotNet.Main.UsbTransfer)"/>
/// <seealso cref="NewAsyncTransfer"/>
public virtual ErrorCode SubmitAsyncTransfer(IntPtr buffer, int offset, int length, int timeout, out UsbTransfer transferContext)
{
transferContext = CreateTransferContext();
transferContext.Fill(buffer, offset, length, timeout);
ErrorCode ec = transferContext.Submit();
if (ec != ErrorCode.None)
{
transferContext.Dispose();
transferContext = null;
UsbError.Error(ec, 0, "SubmitAsyncTransfer Failed", this);
}
return(ec);
}
/// <summary>
/// Creates, fills and submits an asynchronous <see cref="UsbTransfer"/> context.
/// </summary>
/// <remarks>
/// <note type="tip">This is a non-blocking asynchronous transfer function. This function returns immediately after the context is created and submitted.</note>
/// </remarks>
/// <param name="buffer">A caller-allocated buffer for the data that is transferred.</param>
/// <param name="offset">Position in buffer that transferring begins.</param>
/// <param name="length">Number of bytes, starting from thr offset parameter to transfer.</param>
/// <param name="timeout">Maximum time to wait for the transfer to complete.</param>
/// <param name="transferContext">On <see cref="ErrorCode.Success"/>, a new transfer context.</param>
/// <returns><see cref="ErrorCode.Success"/> if the transfer context was created and <see cref="UsbTransfer.Submit"/> succeeded.</returns>
/// <seealso cref="SubmitAsyncTransfer(object,int,int,int,out LibUsbDotNet.Main.UsbTransfer)"/>
/// <seealso cref="NewAsyncTransfer"/>
public virtual ErrorCode SubmitAsyncTransfer(IntPtr buffer, int offset, int length, int timeout, out UsbTransfer transferContext)
{
transferContext = CreateTransferContext();
transferContext.Fill(buffer, offset, length, timeout);
ErrorCode ec = transferContext.Submit();
if (ec != ErrorCode.None)
{
transferContext.Dispose();
transferContext = null;
UsbError.Error(ec, 0, "SubmitAsyncTransfer Failed", this);
}
return ec;
}