To and From Epoch Time

 Module DateConversion

    Public ReadOnly Property Epoch() As DateTime

        Get

            Return New DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)

        End Get

    End Property

    Public Function FromUnix(ByVal seconds As Integer, local As Boolean) As DateTime

        Dim dt = Epoch.AddSeconds(seconds)

        If local Then dt = dt.ToLocalTime

        Return dt

    End Function

    Public Function ToUnix(ByVal dt As DateTime) As Integer

        If dt.Kind = DateTimeKind.Local Then dt = dt.ToUniversalTime

        Return CInt((dt - Epoch).TotalSeconds)

    End Function

End Module

REM https://stackoverflow.com/questions/13108574/converting-datetime-to-number-of-seconds-in-vb-net

ilMerge Example

ilmerge "c:\temp\Source.exe" "C:\blah\DLL_to_Add.dll" /out:"c:\temp\BuiltEXE.exe" /target:winexe /targetplatform:"v4,C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0"

REM Need to adjust the source,dll, and output for your task.

REM You may need to change the target platform for the .NET Framework you're using