GLib.DateTime.add_weeks

### Method

# GLib DateTimeadd_weeks

since: 2.26

#### Declaration [src]

    GDateTime*
    g_date_time_add_weeks (
      GDateTime* datetime,
      gint weeks
    )

#### Description [src]

Creates a copy of `datetime` and adds the specified number of weeks to the copy. Add negative values to subtract weeks.

Available since: 2.26

#### Parameters

`weeks`

  Type: `gint`

  The number of weeks.

#### Return value

Type: `GDateTime`

The newly created `GDateTime` which should be freed with g_date_time_unref(), or `NULL`.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.
The return value can be `NULL`.