Char.IsControl indicates whether the specified Unicode character is categorized as a control character. : Char « Data Types « VB.Net






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Char.IsControl indicates whether the specified Unicode character is categorized as a control character.

 

Module ControlChars
   Public Sub Main()
      Dim charsWritten As Integer = 0

      For ctr As Integer = &H0 To &HFFFF
         Dim ch As Char = Convert.ToChar(ctr)

         If Char.IsControl(ch) Then
            Console.Write("\U{0:X4}    ", ctr)
            charsWritten += 1 
            If (charsWritten Mod 6) = 0 Then 
               Console.WriteLine()
            End If    
         End If
      Next
   End Sub
End Module








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25.Char.IsControl tells whether the character is categorized as a control character.
26.Char.IsDigit Method tells whether the specified Unicode character is categorized as a decimal digit.
27.Char.IsHighSurrogate Method tells whether the specified Char object is a high surrogate.
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31.Char.IsLetter Method tells whether the specified Unicode character is categorized as a Unicode letter.
32.Char.IsLower Method tells whether the specified Unicode character is categorized as a lowercase letter.
33.Char.IsNumber Method tells whether the specified Unicode character is categorized as a number.
34.Char.IsPunctuation Method tells whether the specified Unicode character is categorized as a punctuation mark.
35.Char.IsSeparator Method tells whether specified Unicode character is categorized as a separator character.
36.Char.IsSeparator Method (String, Int32) tells whether character at specified position is a separator character.
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43.Char Structure