Convert.ToSByte (Int64) converts 64-bit signed integer to 8-bit signed integer.
Module Example
Public Sub Main()
Dim numbers() As Long = { Int64.MinValue, -1, 0, 121, 1340, Int64.MaxValue }
Dim result As SByte
For Each number As Long In numbers
Try
result = Convert.ToSByte(number)
Console.WriteLine(result)
Catch e As OverflowException
Console.WriteLine("The {0} value {1} is outside the range of the SByte type.", _
number.GetType().Name, number)
End Try
Next
End Sub
End Module
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