Q31519: MASM 5.10 EXT.DOC: DelBox - Deletes a "Box" from a File

Article: Q31519
Product(s): See article
Version(s): 5.10   | 5.10
Operating System(s): MS-DOS | OS/2
Keyword(s): ENDUSER | | mspl13_masm
Last Modified: 12-JAN-1989

The following information is from the MASM Version 5.10 EXT.DOC
file.
   Please note that numbering for both COL and LINE variables begins
with 0.

/*  DelBox - deletes a rectangular area (box) from a file
 *
 *  The DelBox function deletes all spaces in the box delimited
 *  by the positions (xLeft, yTop) and (xRight, yBottom). The
 *  box includes both corners specified in the function call.
 *
 *  pFile               Handle to file to be modified
 *  xLeft, yTop         Column and line of start of box
 *  xRight, yBottom     Column and line of end of box
 */
void pascal DelBox (pFile, xLeft, yTop, xRight, yBottom)
PFILE pFile;
COL  xLeft, xRight;
LINE yTop, yBottom;