gtk/text_view.go
func (v *TextView) MoveChild(child IWidget, xpos, ypos int) {
	C.gtk_text_view_move_child(v.native(), child.toWidget(), C.gint(xpos), C.gint(ypos))
}
func (v *TextView) MoveChild(child IWidget, xpos, ypos int) {
	C.gtk_text_view_move_child(v.native(), child.toWidget(), C.gint(xpos), C.gint(ypos))
}
// MoveChild is a wrapper around gtk_text_view_move_child().