Is requested value a valid value?
| C# | Visual Basic | Visual C++ |
- T
- the parameter data type
- req (T)
- Requested value
- valids (array< T >[]()[])
- Array of valid parameters (will be sorted, hope you don't mind.)
- errmsg (String)
- Message to use for invalid values; e.g., "Invalid antenna" -> "Invalid antenna: 3"
Value if valid. Throws ReaderException if invalid.