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Public Class Test
    Dim imageCollection As New SortedList
    Dim index As Integer
 
'cmbPaths est la combobox
Private Sub cmbPaths_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmbpaths.SelectedIndexChanged
        Dim i As Integer
 
        index = imageCollection.IndexOfKey(cmbpaths.SelectedItem)
        If Not index = -1 Then
            PictureBox1.Image = Image.FromFile(imageCollection.Item(cmbpaths.SelectedItem))
            'PictureBox1.AutoScrollPosition = New Point(0, 0)
            lblWidth.Text = "Width: " & PictureBox1.Image.Width.ToString
            lblHeight.Text = "Height: " & PictureBox1.Image.Height.ToString
 
            'status bar
            statusPanel.Text = "Width: " & PictureBox1.Image.Width.ToString & " Height: " & PictureBox1.Image.Height.ToString
 
            'le trackbar suit les images
            TrackBar3.Value = index + 1
            Label1.Text = TrackBar3.Value
            i = TrackBar3.Value
        End If
End Sub
 
Private Sub TrackBar3_Valuechanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TrackBar3.ValueChanged
        'PictureBox1.Image = Image.FromFile(imageCollection.Item(cmbpaths.SelectedItem))
        index = imageCollection.IndexOfKey(cmbpaths.SelectedItem)
        If Not index = -1 Then
            Label1.Text = TrackBar3.Value
        End If
    End Sub
End Class | 
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