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Can Be Double Function
Comparisons Class

Public Function CanBeDouble( _
    ByVal vValue As Variant _
    ) As Boolean

Determine if the argument can be converted to a Double (precision floating-point numeric) value.

Examples: 
    CanBeDouble(34) = True
    CanBeDouble(1234.56) = True
    CanBeDouble(#12/31/95#) = True
    CanBeDouble("1") = True
    CanBeDouble("1E1000") = False
    CanBeDouble("A word.") = False
See also: 
    CDblIgnErr Function
    CanBeSingle Function
    CanBeCurrency Function
vValue: The argument which is checked to see if it can be converted to a Double value. Function returns True if vValue contains a numeric value, a date, or a numeric string value which is within the range of values supported by the Double data type. Function returns False otherwise, such as if vValue is out-of-range, Null, an error, or an object pointer.

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