Convert.ToInt64 Method (Byte)

Parameters

• value
  Type: System.Byte
  An 8-bit unsigned integer.

Return Value

Type: System.Int64
The 64-bit signed integer equivalent to the value of value.

Public Sub ConvertLongByte(ByVal longVal As Long)

   Dim byteVal As Byte = 0

   ' A conversion from Long to Byte can overflow.
   Try
      byteVal = System.Convert.ToByte(longVal)
      outputBlock.Text &= String.Format("{0} as a Byte is {1}", _
                                longVal, byteVal) & vbCrLf
   Catch exception As System.OverflowException
      outputBlock.Text &= String.Format( _
          "Overflow in Long-to-Byte conversion.") & vbCrLf
   End Try

   ' A conversion from Byte to Long cannot overflow.
   longVal = System.Convert.ToInt64(byteVal)
   outputBlock.Text &= String.Format("{0} as an Long is {1}", _
                             byteVal, longVal) & vbCrLf
End Sub

public void ConvertLongByte(long longVal)
{
   byte byteVal = 0;

   // A conversion from Long to byte can overflow.
   try
   {
      byteVal = System.Convert.ToByte(longVal);
      outputBlock.Text += String.Format("{0} as a byte is {1}",
         longVal, byteVal) + "\n";
   }
   catch (System.OverflowException)
   {
      outputBlock.Text += String.Format(
         "Overflow in long-to-byte conversion.") + "\n";
   }

   // A conversion from Byte to long cannot overflow.
   longVal = System.Convert.ToInt64(byteVal);
   outputBlock.Text += String.Format("{0} as an Int64 is {1}",
      byteVal, longVal) + "\n";
}