[محمد كريّم]

تحتاج إلى دمج الشرطين بكلمة (مفتاح) And :

كود :

   Private Sub CheckBox1_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBox1.CheckedChanged
       If CheckBox1.Checked = True And CheckBox2.Checked = False Then
           Dim skn As New Sunisoft.IrisSkin.SkinEngine
         
           skn.SkinFile = "skin/DiamondBlue.ssk"
           skn.AddForm(Me)
           CheckBox2.Checked = False
       End If
   End Sub

   Private Sub CheckBox2_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBox2.CheckedChanged
       If CheckBox2.Checked = True And CheckBox1.Checked = False Then
          Dim skn As New Sunisoft.IrisSkin.SkinEngine

           skn.SkinFile = "skin/DiamondPurple.ssk"
           skn.AddForm(Me)
           CheckBox1.Checked = False
       End If
   End Sub