### Constructor

# GimpUi ChannelComboBox new

since: 2.2

#### Declaration [src]

    GtkWidget*
    gimp_channel_combo_box_new (
      GimpItemConstraintFunc constraint,
      gpointer data,
      GDestroyNotify data_destroy
    )

#### Description [src]

Creates a new `GimpIntComboBox` filled with all currently opened channels. See `gimp_drawable_combo_box_new()` for more information.

Available since: 2.2

#### Parameters

`constraint`

  Type: `GimpItemConstraintFunc`

  A `GimpItemConstraintFunc` or `NULL`.

  The argument can be `NULL`.

`data`

  Type: `gpointer`

  A pointer that is passed to `constraint`.

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

`data_destroy`

  Type: `GDestroyNotify`

  Destroy function for `data`.

#### Return value

Type: `GtkWidget`

A new `GimpIntComboBox`.

The data is owned by the called function.