utils

func IsApplicationWindow(obj glib.IObject) (*gtk.ApplicationWindow, error)

func IsBox(obj glib.IObject) (*gtk.Box, error)

func IsButton(obj glib.IObject) (*gtk.Button, error)

func IsDialog(obj glib.IObject) (*gtk.Dialog, error)

func IsEntry(obj glib.IObject) (*gtk.Entry, error)

func IsFileChooserButton(obj glib.IObject) (*gtk.FileChooserButton, error)

func IsFixed(obj glib.IObject) (*gtk.Fixed, error)

func IsStack(obj glib.IObject) (*gtk.Stack, error)

func IsStackSwitcher(obj glib.IObject) (*gtk.StackSwitcher, error)

func IsTextView(obj glib.IObject) (*gtk.TextView, error)

func IsWindow(obj glib.IObject) (*gtk.Window, error)