code: def DoGetBestSize(self):
      size = self.GetFullTextExtent(self.get_text() + "M")
      size = wx.Size(
          size[0] + self.padding * 2, size[1] + self.padding * 2
      )
      return self.ClientToWindowSize(size)
  
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 16 for calling the MetadataControl obj's underlying member method code with example usage: obj.DoGetBestSize() and returns: self