private void button6_Click(object sender, EventArgs e) { if (comboBox2.Text != "") { ILayer layer = mdoc.get_Layer(comboBox1.SelectedIndex, comboBox2.SelectedIndex); mdoc.get_Map(comboBox1.SelectedIndex).DeleteLayer(layer); map = mdoc.get_Map(comboBox1.SelectedIndex); axMapControl1.Map = map; axMapControl1.Refresh(); comboBox2.Items.Remove(layer.Name); checkedListBox1.Items.Remove(layer.Name); } }