property CalcEdit.IsValid as Boolean
Specifies whether the expression is valid.
Type
Description
Boolean
A boolean expression that indicates whether the expression being evaluated is syntactically correct.
The
Text
property indicates the expression being evaluated. The
Result
property returns the result of the evaluation, if the expression is valid, else 0 is returned. Use the IsValid property to programmatically determine when the control's expression is valid or not. The control does not display the result of the evaluation, if the entered expression is not valid.
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