PWB Extensions Help (ext.hlp) (Table of Contents; Topic list)
DelBox
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─────PWB Extensions─────────────────────────────────────────────────────────
 
  Syntax: void DelBox( PFILE pfFile, COL xLeft,  LINE yTop,
                                     COL xRight, LINE yBottom );
 
  See:    DelLine, DelStream, ◄Processing Text►
 
     DelBox deletes all characters in the specified box from a file
     specified by <pfFile>.
 
     These arguments define the box to be deleted:
 
     Argument      Position
 
     <xLeft>       First column
     <yTop>        First line
     <xRight>      Last column
     <yBottom>     Last line
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