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);
}
}