Public Class DuWM_Shifter
    Private PrevHeight As Integer = Height
    Private PrevWidth As Integer = Width
    Private FeatureGap As Integer = 450 - 400
    Private ChildFeature As UserControl

    Private Sub Shifter_Load(sender As Object, e As EventArgs) Handles MyBase.Load

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles btn_Close.Click
        Close()
    End Sub

    Private Sub DuWM_Shifter_Resize(sender As Object, e As EventArgs) Handles MyBase.Resize
        Dim WidthRatio As Double = (Width / PrevWidth)
        Dim HeightRatio As Double = (Height / PrevHeight)
        lst_Features.Height = Height - FeatureGap
        PrevHeight = Height
        PrevWidth = Width
    End Sub

    Private Sub lst_Features_SelectedIndexChanged(sender As Object, e As EventArgs) Handles lst_Features.SelectedIndexChanged
        Select Case lst_Features.SelectedItem
            Case "Desktop"
                Dim Shifter_Desktop As New DuWM_Shifter_Desktop
                Shifter_Desktop.Size = pnl_Content.Size
                pnl_Content.Controls.Clear()
                pnl_Content.Controls.Add(Shifter_Desktop)
            Case "About"
                pnl_Content.Controls.Clear()
                MsgBox("Aboot")
        End Select
    End Sub
End Class