DtvLong dal_men_loc_row (idm, row)

Locks the item at the specified row position in the menu. Locking is identified by a darker marking ("greyed").

Input Parameters Significance
DtvLong idm menu Id
DtvLong row row position in the menu

Output Parameters Significance
no -

Return Code Significance
0 no error.
1 wrong row position
-1 zero Id

Locked items in the menu cannot be selected.

With the help of the function dal_men_chk_loc you check whether selections are locked, with dal_men_fre_loc or dal_men_clr_men you unlock selections.

The function automatically invoke any set Menu listener function.