code: def __on_close(event):
      event.EventObject.Hide()
  
      event.Veto()
  
imports: import glob
  import os.path
  import logging
  import jinja2
  import pkg_resources
  import wx
  import wx.html2
  from cellprofiler_core.preferences import set_startup_blurb
  import cellprofiler.gui.help.content
  import cellprofiler.gui.html
  import cellprofiler.gui.html.utils
  import cellprofiler.gui.utilities.icon
  from cellprofiler.gui.help.content import image_resource_dataUrl
label_desc: Use image node_id 3 for calling the WelcomeFrame obj's underlying member method code with example usage: obj.__on_close(event) without return types