private void AddAllFields()
{
IFeatureClass fetclass = _layer.Class as IFeatureClass;
Feature[] features = fetclass.GetVectorFeatures();
if (features == null || features.Length == 0 || features[0].FieldNames == null)
{
return;
}
int idx = 0;
int i = 0;
foreach (string fld in features[0].FieldNames)
{
if (string.IsNullOrEmpty(fld))
{
continue;
}
cbFields.Items.Add(fld.Trim());
if (fld.ToUpper().Contains("NAME") || fld.Contains("名称"))
{
idx = i;
}
i++;
}
if (cbFields.Items.Count > 0)
{
cbFields.SelectedIndex = idx;
}
}
private void btnAddAll_Click(object sender, EventArgs e)
{
listView1.Items.Clear();
if (string.IsNullOrEmpty(_field))
{
return;
}
IFeatureClass fetclass = _layer.Class as IFeatureClass;
Feature[] features = fetclass.GetVectorFeatures();
if (features == null || features.Length == 0)
{
return;
}
Dictionary <string, int> _fieldValues = new Dictionary <string, int>();
foreach (Feature fet in features)
{
string v = fet.GetFieldValue(_field);
if (v == null)
{
continue;
}
v = v.Trim();
if (_fieldValues.ContainsKey(v))
{
int count = _fieldValues[v]++;
_fieldValues.Remove(v);
_fieldValues.Add(v, count);
}
else
{
_fieldValues.Add(v, 1);
}
}
foreach (string v in _fieldValues.Keys)
{
ListViewItem it = new ListViewItem(v);
it.Tag = v;
it.BackColor = GetColorByValue(v);
it.SubItems.Add(v);
it.SubItems.Add(_fieldValues[v].ToString());
listView1.Items.Add(it);
}
}
