EDataServer.Source.mail_signature_replace

### Method

# EDataServer Sourcemail_signature_replace

since: 3.6

#### Declaration [src]

    void
    e_source_mail_signature_replace (
      ESource* source,
      const gchar* contents,
      gsize length,
      gint io_priority,
      GCancellable* cancellable,
      GAsyncReadyCallback callback,
      gpointer user_data
    )

#### Description [src]

Asynchrously replaces the signature file for `source` with the given `contents` of `length` bytes. The signature file for `source` is given by e_source_mail_signature_get_file().

When the operation is finished, `callback` will be called. You can then call `e_source_mail_signature_replace_finish()` to get the result of the operation.

Available since: 3.6

This method completes asynchronously. Use `e_source_mail_signature_replace_finish()` inside the `GAsyncReadyCallback` to obtain the result of the operation.

#### Parameters

`contents`

  Type: `const gchar*`

  The signature contents.

  The data is owned by the caller of the method.
  The value is a NUL terminated UTF-8 string.

`length`

  Type: `gsize`

  The length of `contents` in bytes.

`io_priority`

  Type: `gint`

  The I/O priority of the request.

`cancellable`

  Type: `GCancellable`

  Optional `GCancellable` object, or `NULL`.

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

`callback`

  Type: `GAsyncReadyCallback`

  A `GAsyncReadyCallback` to call when the request is satisfied.

  The argument can be `NULL`.

`user_data`

  Type: `gpointer`

  Data to pass to the callback function.

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