[MSDOS]

جرب هذه الطريقة ورد لي بالنتيجة

كود :

Private Sub ToolStripComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles ToolStripComboBox1.KeyPress
    If Asc(e.KeyChar) = Keys.Enter Then
        Dim wb As WebBrowser = TryCast(TabControl1.SelectedTab.Controls(0), WebBrowser)
        wb.Navigate(ToolStripComboBox1.Text)
    End If
End Sub