code: def show_caret(self):
      if self.__caret is not None and self.FindFocus() == self:
          self.adjust_scroll()
          self.__caret.Show()
  
imports: import wx
  import wx.lib.masked
  from cellprofiler_core.constants.measurement import C_FRAME
  from cellprofiler_core.constants.measurement import C_METADATA
  from cellprofiler_core.constants.measurement import C_SERIES
  from cellprofiler_core.constants.measurement import IMAGE
  from cellprofiler_core.preferences import get_primary_outline_color
label_desc: Use image node_id 7 for calling the MetadataControl obj's underlying member method code with example usage: obj.show_caret() without return types