code: def _layout(self):
          
  
          self.EnableGridLines(False)
  
          # Standard row and col sizes for zooming
          default_cell_attributes = \
              self.code_array.cell_attributes.default_cell_attributes
  
          self.std_row_size = default_cell_attributes["row-height"]
          self.std_col_size = default_cell_attributes["column-width"]
  
          self.SetDefaultRowSize(self.std_row_size)
          self.SetDefaultColSize(self.std_col_size)
  
          # Standard row and col label sizes for zooming
          self.col_label_size = self.GetColLabelSize()
          self.row_label_size = self.GetRowLabelSize()
  
          self.SetRowMinimalAcceptableHeight(1)
          self.SetColMinimalAcceptableWidth(1)
  
          self.SetCellHighlightPenWidth(0)
docs: Initial layout of grid