Tech Tip: Utility method that set the grid size of a button grid

PRODUCT: 4D | VERSION: 13.0 | PLATFORM: Mac & Win

Published On: July 13, 2012

The grid size of a button grid is be set directly from the Object Property List or through the command name OBJECT SET FORMAT. The following method is a utility method which can be used in any project to set the grid size of a button grid during runtime.

  ` Method: SET_BUTTON_GRID_SIZE
  ` $1 - Pointer to the varaible set to a button grid
  ` $2 - Number of row
  ` $3 - Number of column

C_POINTER($1;$button_p)
C_LONGINT($2;$row_l)
C_LONGINT($3;$col_l)
C_TEXT($format_t)

If (Count parameters>=3)
  $button_p:=$1
  $row_l:=$2
  $col_l:=$3

  $format_t:=String($col_l)+";"+String($row_l)

  OBJECT SET FORMAT($button_p->;$format_t)
End if

Here is an example:

SET_BUTTON_GRID_SIZE (->Button Grid;5;7)

SET_BUTTON_GRID_SIZE (->Button Grid;3;3)