public void Execute(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.esriSystem.ITrackCancel TrackCancel, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager envMgr, ESRI.ArcGIS.Geodatabase.IGPMessages message)
{
try
{
IGPUtilities3 gpUtilities3 = new GPUtilitiesClass();
if (TrackCancel == null)
{
TrackCancel = new CancelTrackerClass();
}
IGPValue inputLayersGPValue = gpUtilities3.UnpackGPValue(paramvalues.get_Element(in_LayersNumber));
IGPMultiValue inputLayersMultiValue = gpUtilities3.UnpackGPValue(inputLayersGPValue) as IGPMultiValue;
IGPParameter outputGroupLayerParameter = paramvalues.get_Element(out_groupLayerNumber) as IGPParameter;
IGPValue outputGPGroupLayer = gpUtilities3.UnpackGPValue(outputGroupLayerParameter);
IGPCompositeLayer outputCompositeLayer = outputGPGroupLayer as IGPCompositeLayer;
if (outputCompositeLayer == null)
{
message.AddError(120048, string.Format(resourceManager.GetString("GPTools_NullPointerParameterType"), outputGroupLayerParameter.Name));
return;
}
IGroupLayer groupLayer = null;
// find the last position of the "\" string
// in case we find such a thing, i.e. position is >= -1 then let's assume that we are dealing with a layer file on disk
// otherwise let's create a new group layer instance
string outputGPLayerNameAsString = outputGPGroupLayer.GetAsText();
int separatorPosition = outputGPLayerNameAsString.LastIndexOf(System.IO.Path.DirectorySeparatorChar);
string layerName = String.Empty;
if (separatorPosition > -1)
{
layerName = outputGPGroupLayer.GetAsText().Substring(separatorPosition + 1);
}
else
{
layerName = outputGPGroupLayer.GetAsText();
}
ILayer foundLayer = null;
IGPLayer existingGPLayer = gpUtilities3.FindMapLayer2(layerName, out foundLayer);
if (foundLayer != null)
{
gpUtilities3.RemoveFromMapEx((IGPValue)existingGPLayer);
gpUtilities3.RemoveInternalLayerEx(foundLayer);
}
groupLayer = new GroupLayer();
((ILayer)groupLayer).Name = layerName;
for (int layerIndex = 0; layerIndex < inputLayersMultiValue.Count; layerIndex++)
{
IGPValue gpLayerToAdd = inputLayersMultiValue.get_Value(layerIndex) as IGPValue;
ILayer sourceLayer = gpUtilities3.DecodeLayer(gpLayerToAdd);
groupLayer.Add(sourceLayer);
}
outputGPGroupLayer = gpUtilities3.MakeGPValueFromObject(groupLayer);
if (separatorPosition > -1)
{
try
{
// in the case that we are dealing with a layer file on disk
// let's persist the group layer information into the file
ILayerFile pointLayerFile = new LayerFileClass();
if (System.IO.Path.GetExtension(outputGPLayerNameAsString).ToUpper().Equals(".LYR"))
{
if (pointLayerFile.get_IsPresent(outputGPLayerNameAsString))
{
try
{
gpUtilities3.Delete(outputGPGroupLayer);
}
catch (Exception ex)
{
message.AddError(120001, ex.Message);
return;
}
}
pointLayerFile.New(outputGPLayerNameAsString);
pointLayerFile.ReplaceContents(groupLayer);
pointLayerFile.Save();
}
outputGPGroupLayer = gpUtilities3.MakeGPValueFromObject(pointLayerFile.Layer);
}
catch (Exception ex)
{
message.AddError(120002, ex.Message);
return;
}
}
gpUtilities3.PackGPValue(outputGPGroupLayer, outputGroupLayerParameter);
}
catch (Exception ex)
{
message.AddError(120049, ex.Message);
}
}
public void Execute(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.esriSystem.ITrackCancel TrackCancel, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager envMgr, ESRI.ArcGIS.Geodatabase.IGPMessages message)
{
try
{
IGPUtilities3 gpUtilities3 = new GPUtilitiesClass();
if (TrackCancel == null)
{
TrackCancel = new CancelTrackerClass();
}
IGPValue inputLayersGPValue = gpUtilities3.UnpackGPValue(paramvalues.get_Element(in_LayersNumber));
IGPMultiValue inputLayersMultiValue = gpUtilities3.UnpackGPValue(inputLayersGPValue) as IGPMultiValue;
IGPParameter outputGroupLayerParameter = paramvalues.get_Element(out_groupLayerNumber) as IGPParameter;
IGPValue outputGPGroupLayer = gpUtilities3.UnpackGPValue(outputGroupLayerParameter);
IGPCompositeLayer outputCompositeLayer = outputGPGroupLayer as IGPCompositeLayer;
if (outputCompositeLayer == null)
{
message.AddError(120048, string.Format(resourceManager.GetString("GPTools_NullPointerParameterType"), outputGroupLayerParameter.Name));
return;
}
IGroupLayer groupLayer = null;
// find the last position of the "\" string
// in case we find such a thing, i.e. position is >= -1 then let's assume that we are dealing with a layer file on disk
// otherwise let's create a new group layer instance
string outputGPLayerNameAsString = outputGPGroupLayer.GetAsText();
int separatorPosition = outputGPLayerNameAsString.LastIndexOf(System.IO.Path.DirectorySeparatorChar);
string layerName = String.Empty;
if (separatorPosition > -1)
{
layerName = outputGPGroupLayer.GetAsText().Substring(separatorPosition + 1);
}
else
{
layerName = outputGPGroupLayer.GetAsText();
}
ILayer foundLayer = null;
IGPLayer existingGPLayer = gpUtilities3.FindMapLayer2(layerName, out foundLayer);
if (foundLayer != null)
{
gpUtilities3.RemoveFromMapEx((IGPValue)existingGPLayer);
gpUtilities3.RemoveInternalLayerEx(foundLayer);
}
groupLayer = new GroupLayer();
((ILayer)groupLayer).Name = layerName;
for (int layerIndex = 0; layerIndex < inputLayersMultiValue.Count; layerIndex++)
{
IGPValue gpLayerToAdd = inputLayersMultiValue.get_Value(layerIndex) as IGPValue;
ILayer sourceLayer = gpUtilities3.DecodeLayer(gpLayerToAdd);
groupLayer.Add(sourceLayer);
}
outputGPGroupLayer = gpUtilities3.MakeGPValueFromObject(groupLayer);
if (separatorPosition > -1)
{
try
{
// in the case that we are dealing with a layer file on disk
// let's persist the group layer information into the file
ILayerFile pointLayerFile = new LayerFileClass();
if (System.IO.Path.GetExtension(outputGPLayerNameAsString).ToUpper().Equals(".LYR"))
{
if (pointLayerFile.get_IsPresent(outputGPLayerNameAsString))
{
try
{
gpUtilities3.Delete(outputGPGroupLayer);
}
catch (Exception ex)
{
message.AddError(120001, ex.Message);
return;
}
}
pointLayerFile.New(outputGPLayerNameAsString);
pointLayerFile.ReplaceContents(groupLayer);
pointLayerFile.Save();
}
outputGPGroupLayer = gpUtilities3.MakeGPValueFromObject(pointLayerFile.Layer);
}
catch (Exception ex)
{
message.AddError(120002, ex.Message);
return;
}
}
gpUtilities3.PackGPValue(outputGPGroupLayer, outputGroupLayerParameter);
}
catch (Exception ex)
{
message.AddError(120049, ex.Message);
}
}