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    <p>Here is a stripped down version of class I wrote long time back for comparing version.</p> <pre><code>Public Class Version Implements IEquatable(Of Version) Private _mmajorVersion As Integer = 0 Private _mminorVersion As Integer = 0 Private _mrivision As Integer = 0 Private _mbuild As Integer = 0 Sub New() _mmajorVersion = 0 _mminorVersion = 0 _mrivision = 0 _mbuild = 0 End Sub Sub New(ByVal VersionObj As Object) If VersionObj Is DBNull.Value Then _mmajorVersion = 0 _mminorVersion = 0 _mrivision = 0 _mbuild = 0 Else ParseVersionString(VersionObj.ToString) End If End Sub Public Sub New(ByVal VersionString As String) ParseVersionString(VersionString) End Sub Public Property MajorVersion As Integer Get Return _mmajorVersion End Get Set(ByVal value As Integer) _mmajorVersion = value End Set End Property Public Property MinorVersion As Integer Get Return _mminorVersion End Get Set(ByVal value As Integer) _mminorVersion = value End Set End Property Public Property Revision As Integer Get Return _mrivision End Get Set(ByVal value As Integer) _mrivision = value End Set End Property Private Sub ParseVersionString(ByVal Version_String As String) Dim p() As String = Version_String.Split(New Char() {"."}, 4) If IsNumeric(p(0)) Then _mmajorVersion = CInt(p(0)) End If If p.Length &gt; 1 Then If IsNumeric(p(1)) Then _mminorVersion = CInt(p(1)) End If End If If p.Length &gt; 2 Then If IsNumeric(p(2)) Then _mrivision = CInt(p(2)) End If End If If p.Length &gt; 3 Then If IsNumeric(p(3)) Then _mbuild = CInt(p(3)) End If End If End Sub Public Shared Operator &lt;(ByVal Version1 As Version, ByVal Version2 As Version) As Boolean If Version1 = Version2 Then Return False If Version1._mmajorVersion &lt; Version2._mmajorVersion Then Return True If Version1._mmajorVersion &gt; Version2._mmajorVersion Then Return False If Version1._mminorVersion &lt; Version2._mminorVersion Then Return True If Version1._mminorVersion &gt; Version2._mminorVersion Then Return False If Version1._mrivision &lt; Version2._mrivision Then Return True If Version1._mrivision &gt; Version2._mrivision Then Return False If Version1._mbuild &lt; Version2._mbuild Then Return True If Version1._mbuild &gt; Version2._mbuild Then Return False Return False End Operator Public Shared Operator &gt;(ByVal Version1 As Version, ByVal Version2 As Version) As Boolean Return Not (Version1 &lt; Version2 Or Version1 = Version2) End Operator Public Shared Operator &lt;=(ByVal Version1 As Version, ByVal Version2 As Version) As Boolean If Version1 &gt; Version2 Then Return False Return True End Operator Public Shared Operator &gt;=(ByVal Version1 As Version, ByVal Version2 As Version) As Boolean If Version1 &lt; Version2 Then Return False Return True End Operator Public Shared Operator =(ByVal Version1 As Version, ByVal Version2 As Version) As Boolean If Version1._mmajorVersion = Version2._mmajorVersion And _ Version1._mminorVersion = Version2._mminorVersion And _ Version1._mrivision = Version2._mrivision And _ Version1._mbuild = Version2._mbuild Then Return True End If Return False End Operator Public Shared Operator &lt;&gt;(ByVal Version1 As Version, ByVal Version2 As Version) As Boolean Return Not Version1 = Version2 End Operator Public Overrides Function Equals(ByVal obj As Object) As Boolean If obj Is Nothing Then Return False If obj.GetType.Name &lt;&gt; Me.GetType.Name Then Return False Dim v As Version = DirectCast(obj, Version) Return Me = v End Function Public Overloads Function Equals(ByVal other As Version) As Boolean Implements System.IEquatable(Of Version).Equals Return Me = other End Function Public Overrides Function ToString() As String Return String.Format("{0}.{1}.{2}.{3}", _mmajorVersion.ToString, _mminorVersion.ToString, _mrivision.ToString, _mbuild.ToString) End Function Public Overrides Function GetHashCode() As Integer Return Me.ToString.GetHashCode() End Function End Class </code></pre> <p>You can call the class like this.</p> <pre><code> Return New Version(ApplicationVersionInformationArray(0)) &gt; New Version("1.0.0.0") </code></pre>
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