compares the old value of the control with the one that is going to be set

function $compareValue;

Details

The function is called automatically by the setValue method when a new value is being set for a control.

The function's parameters include:

• oldvalue - the current value of the control
• value - the value that is going to be set

The function returns true for equal values and false for non-equal ones.

Not supposed for direct calls.

See also

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