prepend_page

Description:

public int prepend_page (Widget child, Widget? tab_label = null)

Prepends a page to this.

Parameters:

this

a `GtkNotebook`
child

the `GtkWidget` to use as the contents of the page
tab_label

the `GtkWidget` to be used as the label for the page, or null to use the default label, “page N”

Returns:

the index (starting from 0) of the prepended page in the notebook, or -1 if function fails