gtk/tree_view_column.go
func (v *TreeViewColumn) SetTitle(t string) {
	cstr := (*C.gchar)(C.CString(t))
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_tree_view_column_set_title(v.native(), cstr)
}
func (v *TreeViewColumn) SetTitle(t string) {
	cstr := (*C.gchar)(C.CString(t))
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_tree_view_column_set_title(v.native(), cstr)
}
// SetTitle() is a wrapper around gtk_tree_view_column_set_title().