private void btnEdit_Click(object sender, EventArgs e)
{
ListViewItem item = this.listView1.SelectedItems[0];
frmLayerInfo info = new frmLayerInfo
{
LayerName = item.Text,
MinScale = double.Parse(item.SubItems[1].Text),
MaxScale = double.Parse(item.SubItems[2].Text)
};
if (info.ShowDialog() == DialogResult.OK)
{
string[] strArray = new string[3];
strArray[0] = info.LayerName;
if ((strArray[0] != item.Text) && this.LayerNameIsExist(strArray[0]))
{
MessageBox.Show("图层已存在");
}
else
{
strArray[1] = info.MinScale.ToString();
strArray[2] = info.MaxScale.ToString();
item.Text = strArray[0];
item.SubItems[1].Text = strArray[1];
item.SubItems[2].Text = strArray[2];
XmlNode tag = item.Tag as XmlNode;
for (int i = 0; i < tag.Attributes.Count; i++)
{
XmlAttribute attribute = tag.Attributes[i];
if (attribute.Name.ToLower() == "name")
{
attribute.Value = strArray[0];
}
else if (attribute.Name.ToLower() == "minscale")
{
attribute.Value = strArray[1];
}
else if (attribute.Name.ToLower() == "maxscale")
{
attribute.Value = strArray[2];
}
}
}
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
frmLayerInfo info = new frmLayerInfo();
if (info.ShowDialog() == DialogResult.OK)
{
string[] items = new string[] { info.LayerName, info.MinScale.ToString(), info.MaxScale.ToString() };
if (this.LayerNameIsExist(items[0]))
{
MessageBox.Show("图层已存在");
}
else
{
ListViewItem item = new ListViewItem(items);
this.listView1.Items.Add(item);
XmlNode newChild = this.CreateLayerNode(items[0], items[1], items[2]);
item.Tag = newChild;
this.m_pLayerSettingsNode.ChildNodes[0].AppendChild(newChild);
}
}
}