Which of the following procedure declarations matches the call to the IsLetter procedure below? Dim strText as String = txtInput.Text
Dim blnLetter as Boolean = IsLetter(strText)
A) Sub IsLetter(ByVal strInput as String) as Boolean
B) Sub IsLetter(ByVal blnResult as Boolean) as String
C) Function IsLetter(ByVal strInput as String) as Boolean
D) Function IsLetter(ByVal blnResult as Boolean) as String

Question

Quizplus · Accepted Answer

The call to the IsLetter procedure passes a string argument, and the expected return type is a boolean value. Therefore, the correct procedure declaration is a function that takes a string parameter and returns a boolean value. Option C matches these criteria. Options A and B have parameter and return type mismatches, and option D has a return type mismatch.

Which of the Following Procedure Declarations Matches the Call to the IsLetter