private void buttonGetFieldValue_Click(object sender, EventArgs e)
{
string fieldName = comboBoxFieldNames.Text.Trim();
if (fieldName == "")
{
MessageBox.Show("请选择字段名称！", "提示");
return;
}
GSOLayer layer = ctl.Globe.Layers.GetLayerByCaption(cmbLayers.Text.Trim());
if (layer == null)
{
MessageBox.Show("请选择图层", "提示");
return;
}
if (layer.Type != EnumLayerType.FeatureLayer)
{
MessageBox.Show("当前选中的图层不是模型图层！", "提示");
return;
}
GSOFeatureLayer featureLayer = layer as GSOFeatureLayer;
List <string> listValues = new List <string>();
for (int i = 0; i < featureLayer.GetAllFeatures().Length; i++)
{
GSOFeature feature = featureLayer.GetAt(i);
if (feature != null)
{
object value = feature.GetValue(fieldName);
if (value == null || value.ToString() == "")
{
continue;
}
if (listValues.Contains(value.ToString()) == false)
{
listValues.Add(value.ToString());
}
}
}
listViewFieldValues.Items.Clear();
if (listValues.Count <= 0)
{
MessageBox.Show("没有找到不为空的字段值！", "提示");
return;
}
for (int i = 0; i < listValues.Count; i++)
{
listViewFieldValues.Items.Add(listValues[i]);
}
}
private void radioButtonElevatePartFeature_CheckedChanged(object sender, EventArgs e)
{
if (radioButtonElevatePartFeature.Checked == true)
{
string layerCaption = cmbLayers.Text.Trim();
if (layerCaption == "")
{
radioButtonElevateAllFeature.Checked = true;
MessageBox.Show("请先选择图层！", "提示");
return;
}
GSOLayer layer = ctl.Globe.Layers.GetLayerByCaption(layerCaption);
if (layer == null)
{
radioButtonElevateAllFeature.Checked = true;
MessageBox.Show("请先选择图层！", "提示");
return;
}
GSOFeatureLayer featureLayer = layer as GSOFeatureLayer;
if (featureLayer == null)
{
radioButtonElevateAllFeature.Checked = true;
MessageBox.Show("图层不是矢量图层！", "提示");
return;
}
if (featureLayer.GetAllFeatures().Length <= 0)
{
radioButtonElevateAllFeature.Checked = true;
MessageBox.Show("图层中的要素个数为0个！", "提示");
return;
}
for (int i = 0; i < featureLayer.GetAllFeatures().Length; i++)
{
GSOFeature feature = featureLayer.GetAt(i);
if (feature != null)
{
if (feature.GetFieldCount() <= 0)
{
radioButtonElevateAllFeature.Checked = true;
MessageBox.Show("图层中的字段个数为0个！", "提示");
return;
}
for (int j = 0; j < feature.GetFieldCount(); j++)
{
GSOFieldDefn field = (GSOFieldDefn)feature.GetFieldDefn(j);
if (field != null)
{
comboBoxFieldNames.Items.Add(field.Name);
}
}
break;
}
}
radioButtonElevateAllFeature.Checked = false;
panel1.Enabled = true;
}
else
{
panel1.Enabled = false;
radioButtonElevateAllFeature.Checked = true;
}
}