blog: jl_signal, code: boy scout principle of signal disconnection

gistfile1.txt

// The "Boy Scout" principle of signal disconnection:
// clean up your own mess!
class ExampleContext
{
    void Init()
    {
        m_pButton = new Button();
        m_pWindow = new Window();
        m_pButton->ClickSignal()->Connect( m_pWindow, &Window::Open );
    }
    
    void Deinit()
    {
        m_pButton->ClickSignal()->Disconnect( m_pWindow, &Window::Open );
        delete m_pWindow; m_pWindow = 0;
        delete m_pButton; m_pButton = 0;
    }
}