View:AddBlock(LongName,ShortName,VarName,Block,DoGet,Pict,When,Valid):
  public: return true
  Next column appended to the object by a code block. When editing it is not
  tested the record virtuality, the records with je RecNo()>LastRec() can be
  edited.

  Parameter description:
  ~~~~~~~~~~~~~~~~~~~~~~
  LongName: character: default is ShortName
   Column name used in mode of Form(ular).

  ShortName: character: default is ""
   Column name used in mode of Browse.

  VarName: character: default is ShortName
   Edited variable name, or database fieldname stored as an information to clipper
   Get object, created in this method and stored to DoGet array. The clipper get object
   should know the edited variable name.

  Block: code_block: no default
   Get/set code block created by the functions FieldBlock(), FieldWBlock(), MemVarBlock() or
   own code piece.

  DoGet: code_block: default is virtual_method_Browse:DoGet()
   Code block to edit the column respective variable with use of the Get object.

  Picture: character: default is ""
   The column picture display mask.

  When: code_block: default is {||true}
   Code block to be evaluated before the entering the column editation.
   If false the editation is disabled. The result fields or read-only
   fields can be produced this way.

  Valid: code_block: default is {||true}
   Code block to validate the entered data, if the result is true the data
   is valid, if false the entered data must be reedited.