/// <summary>
/// Handles the ToolExecuted event. All tools end by firing this event. If the tool executed successfully
/// the next tool in the queue is removed and submitted for execution. If unsuccessful, geoprocessing is terminated,
/// an error message is written to the ListViewControl and the is queue cleared. After the final tool has executed
/// the result layer is added to the Map.
/// </summary>
void _gp_ToolExecuted(object sender, ToolExecutedEventArgs e)
{
IGeoProcessorResult2 gpResult = (IGeoProcessorResult2)e.GPResult;
try
{
//The first GP tool has completed, if it was successful process the others
if (gpResult.Status == esriJobStatus.esriJobSucceeded)
{
listView1.Items.Add(new ListViewItem(new string[2] {
"ToolExecuted", gpResult.Process.Tool.Name
}, "success"));
//Execute next tool in the queue
if (_myGPToolsToExecute.Count > 0)
{
_gp.ExecuteAsync(_myGPToolsToExecute.Dequeue());
}
//If last tool has executed add the output layer to the map
else
{
IFeatureClass resultFClass = _gp.Open(gpResult.ReturnValue) as IFeatureClass;
IFeatureLayer resultLayer = new FeatureLayerClass();
resultLayer.FeatureClass = resultFClass;
resultLayer.Name = resultFClass.AliasName;
//Add the result to the map
axMapControl1.AddLayer((ILayer)resultLayer, 2);
axTOCControl1.Update();
//add the result layer to the List of result layers
_resultsList.Add(resultLayer);
}
}
//If the GP process failed, do not try to process any more tools in the queue
else if (gpResult.Status == esriJobStatus.esriJobFailed)
{
//The actual GP error message will be output by the MessagesCreated event handler
listView1.Items.Add(new ListViewItem(new string[2] {
"ToolExecuted", gpResult.Process.Tool.Name + " failed, any remaining processes will not be executed."
}, "error"));
//Empty the queue
_myGPToolsToExecute.Clear();
}
}
catch (Exception ex)
{
listView1.Items.Add(new ListViewItem(new string[2] {
"ToolExecuted", ex.Message
}, "error"));
}
}
public PolygonsPartitionAggregation(string dataPath,string dataName,string resultPath,string gradeField)
{
m_GP = new Geoprocessor();
MakeFeatureLayer makefeaturelayer = new MakeFeatureLayer();
makefeaturelayer.in_features = dataPath + dataName + ".shp";
makefeaturelayer.out_layer = "origin_lyr";
m_GP.Execute(makefeaturelayer, null);
IFeatureLayer fealyr = m_GP.Open(makefeaturelayer.out_layer) as IFeatureLayer;
m_FeaCls = fealyr.FeatureClass;
m_PartitionField = gradeField;
m_WorkingPath = resultPath;
}