func (v *ToolItem) GetIsImportant() bool {
	c := C.gtk_tool_item_get_is_important(v.native())
	return gobool(c)
}
func (v *ToolItem) GetIsImportant() bool {
	c := C.gtk_tool_item_get_is_important(v.native())
	return gobool(c)
}
// GetIsImportant is a wrapper around gtk_tool_item_get_is_important().