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   The controls that are used for interacting with the data (Gets, Variables,
   1:1 relation, Text Boxes) have a set of injection points associated, all
   of them placed in the control function (see chapter Field controls).
   Accessing these injection points is done highlighting the control with the
   cursor and pressing the Alt-J key. The points available are:

   1.  Static variables declaration in Get control function

   2.  Before standard code in Before Get

   3.  After standard code in Before Get

   4.  Before standard code in Get control

   5.  After loading array for dBlook()

   6.  After standard code in Get control

   7.  Inside IF nPrePost==FORM_POSTGET for controls after Get

   8.  Before the RETURN lRet statement in the Get control function

   These points are grouped in the Control function associated to the
   Get. This function is called by the Get handler, passing a parameter
   (nPrePost) which is used for indicating whether it is called in the
   'before' or in the 'after' Get situation.
    Points 2 and 4 accept the '* #JMP' marker. Point 2 can thus be used for
   skipping the controls before Get, and point 4 to skip the controls after
   Get.
    Additional information can be found in chapter Field controls.

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