Task:GoodInit(Name,R,C,Rs,Cs,CurSize,Clr,Shadow): public: return true
  Preparing job is done here by initialising the window, adding the new task
  to the stack (for the task swapper), the hot keys are set. The new task
  window remains unvisible after finishing of Task:Init. The position of the
  new window is counted by herited method GoodInit() of class Box to be
  nearest possible to the cursor and not to cover any required text.
  The window should be visible whole.

  Parameter description:
  ~~~~~~~~~~~~~~~~~~~~~~
  Name: text or code block: default is {||""}, i.e. no title
   Text or code block as window title.

  R: numeric: default is Row().
   The row text position the window to be put nearest possible.

  C: numeric: default is Col().
   The column text position the window to be put nearest possible.

  Rs: numeric: default is MaxRow()-7.
   Required window height in number of rows passed into.

  Cs: numeric: default is MaxCol()-9.
   Required window width in number of columns passed into.

  CurSize: numeric: default is 1.
   Text size that should not be covered but the window should be nearest
   possible.

  Clr: character: default is m->Color:Edit.
   Window colors.

  Shadow: logical: default is true for color monitor, false for monochrom.
   If true,the shadow will be painted.