Convert.ToBase64CharArray() and Convert.FromBase64CharArray methods : Data Type Convert « Data Type « VB.Net Tutorial






  1. VB.Net Tutorial
  2. Data Type
  3. Data Type Convert
Imports System

Class Sample
   Public Shared Sub Main()
      Dim byteArray1(255) As Byte
      Dim byteArray2(255) As Byte
      Dim charArray(351) As Char
      Dim charArrayLength As Integer

      Dim x As Integer
      For x = 0 To byteArray1.Length - 1
         byteArray1(x) = CByte(x)
         Console.Write("{0:X2} ", byteArray1(x))
      Next x


      charArrayLength = Convert.ToBase64CharArray( _
                                byteArray1, 0, byteArray1.Length, _
                                charArray, 0, _
                                Base64FormattingOptions.InsertLineBreaks)
      Console.Write(charArrayLength)
      Console.WriteLine(New [String](charArray))

      byteArray2 = Convert.FromBase64CharArray(charArray, 0, charArrayLength)

   End Sub


End Class








2.45.Data Type Convert
2.45.1.CLng: convert integer to long
2.45.2.CByte: convert to byte
2.45.3.CSng: convert to Single
2.45.4.CDbl: convert to double
2.45.5.CDec: convert to decimal
2.45.6.Call Int64TryParse(String, NumberStyles, IFormatProvider, Int32)
2.45.7.Convert a string into a 64-bit signed integer value using the Int64.Parse(String) method
2.45.8.Convert.ToBase64CharArray() and Convert.FromBase64CharArray methods
2.45.9.Converts the bit patterns of UInt32 values to Byte arrays with the GetBytes method.
2.45.10.Convert.ToString( non-numeric types, IFormatProvider ).
2.45.11.Create a hexadecimal value out of range of the UInt64 type and Convert it back to a number.