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Eval - function of language VBScript

Description:
Calculate expression and return value.

For the purposes of the PROMOTIC system, it is more usefull to use the object: PmExpr.

Syntax:
Variant Eval(String expression)
Calling:
result = Eval(expression)
Parameters:
expression(String) string containing any expression in VBScript language syntax
Return Values:
The value of calculated expression.
See also:
- VBScript mathematic functions
- Pm properties and methods mathematic and others
Example:
VBScriptSelect and copy to clipboard

Dim RndNum, Guess
RndNum = Int(100 * Rnd(1) + 1)
Guess = CInt(InputBox("Enter your guess:", "", 0))

If Eval("Guess = RndNum") Then
MsgBox "Congratulations! You guessed it!"
Else
Guess = CInt(InputBox("Sorry! Try again.", "", 0))
End If
PROMOTIC 9.0.4 SCADA system documentation - MICROSYS, spol. s r.o.

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