Hex.Buffer.read_async
Description: Reference for Hex.Buffer.read_async

### Virtual Method

# Hex Bufferread_async

#### Declaration

    void
    read_async (
      HexBuffer* self,
      GCancellable* cancellable,
      GAsyncReadyCallback callback,
      gpointer user_data
    )

#### Description

Read the `GFile`, previously set, into the buffer. This is the non-blocking version of `hex_buffer_read()`.

#### Parameters

`cancellable`

  Type: `GCancellable`

  A `GCancellable`.

  The argument can be `NULL`.
  The data is owned by the caller of the function.

`callback`

  Type: `GAsyncReadyCallback`

  Function to be called when the operation is complete.

`user_data`

  Type: `gpointer`

  No description available.

  The argument can be `NULL`.
  The data is owned by the caller of the function.