nw::io::FileStream::ReadAsync Member Function

virtual bool ReadAsync(
     void*            buf,
     u32 length,
     IOStreamCallback callback,
     void*           arg
);

	Name	Description
out	buf	Pointer to the buffer where data to be read is stored. The alignment of this data must match the alignment obtained using the GetBufferAlign function.
in	length	Data size to be read. The alignment of this data must match the alignment obtained using the GetSizeAlign function.
in	callback	Registers the callback function to be used when asynchronous processing has finished. If this is NULL, no callback is invoked.
in	arg	Registers parameters returned by the callback function as arguments when asynchronous processing has completed.

Returns TRUE if the command was executed normally.
Returns FALSE if the command was not issued.
If the command could not be issued, no callback is invoked.

Reads data from the stream (asynchronous process).