ProvideX V8.20 > Language Reference > 2. Directives
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Format 9: Update
CHECK_BOX WRITE [*]ctl_id,state$[,ERR=stmtref]
Use the CHECK_BOX WRITE format to update the check box's state; e.g.,
0100 ! WRITE C_BX
0110 LET ON_OFF$="0"
0130 CHECK_BOX WRITE C_BX,ON_OFF$
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