Reads the string from the user.
            
    Namespace: 
   SGP.XSpaceAssembly: SGPRTL (in SGPRTL.dll)
Version: 1.2.3019.18825
Syntax
Parameters
- initialText
 - Type: System..::.String
Intial input text. 
- selStart
 - Type: System..::.Int32
Selection start of the initial input text.