void NextArgIsDouble( <double value> )
double value
The value to assign to this function parameter. If you call this method without specifying value, you are specifying the type of the function's
parameter without specifying its value. You can specify the value later by calling the method SetDoubleArg.
This method declares the type of the function's next parameter to be a double-precision floating-point number.
declare double value = 5; func.NextArgIsDouble( value );