Get Application's Window Handles

Question

I\'m building an app that given another app mainWindowhandle it collects information about the window state. I have no problem collecting information about child windows, bu

Answer 1

    public void GetWindowHandles()
    {
        List windowHandles = new List();

        foreach (Process window in Process.GetProcesses())
        {
            window.Refresh();

            if (window.MainWindowHandle != IntPtr.Zero) 
            {
                windowHandles.Add(window.MainWindowHandle);
            }
        }
    }

Read This as to why we call the refresh method and check if the pointer is zero