/// <summary>
/// Removes the umbriel property set (propertyset with a name/value of LayerExtension/umbriel
/// </summary>
/// <param name="layerExtensions">ILayerExtensions</param>
internal static void RemovePropertySet(ILayerExtensions layerExtensions)
{
if (UmbrielPropertySetExists(layerExtensions))
{
for (int i = 0; i < layerExtensions.ExtensionCount; i++)
{
object layerExtension = layerExtensions.get_Extension(i);
if (layerExtension is IPropertySet)
{
IPropertySet propertySet = (IPropertySet)layerExtension;
string val = propertySet.GetProperty("LayerExtension").ToString();
if (val.Equals("umbriel", StringComparison.CurrentCultureIgnoreCase))
{
layerExtensions.RemoveExtension(i);
}
}
}
}
}
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();
}
IGPParameter inputSourceLayerParameter = paramvalues.get_Element(in_sourcelayerNumber) as IGPParameter;
IGPValue inputSourceLayerGPValue = gpUtilities3.UnpackGPValue(inputSourceLayerParameter) as IGPValue;
IGPParameter inputTargetLayerParameter = paramvalues.get_Element(in_targetlayerNumber) as IGPParameter;
IGPValue inputTargetLayerGPValue = gpUtilities3.UnpackGPValue(inputTargetLayerParameter) as IGPValue;
ILayer sourceLayer = gpUtilities3.DecodeLayer(inputSourceLayerGPValue);
ILayer targetLayer = gpUtilities3.DecodeLayer(inputTargetLayerGPValue);
ILayerExtensions sourceLayerExtensions = sourceLayer as ILayerExtensions;
if (sourceLayerExtensions == null)
{
message.AddWarning(resourceManager.GetString("GPTools_GPCopyLayerExtension_source_noext_support"));
return;
}
ILayerExtensions targetLayerExtensions = targetLayer as ILayerExtensions;
if (targetLayerExtensions == null)
{
message.AddWarning(resourceManager.GetString("GPTools_GPCopyLayerExtension_target_noext_support"));
return;
}
// test if the feature classes already exists,
// if they do and the environments settings are such that an overwrite is not allowed we need to abort at this point
IGeoProcessorSettings gpSettings = (IGeoProcessorSettings)envMgr;
if (gpSettings.OverwriteOutput == true)
{
}
else
{
if (gpUtilities3.Exists(inputTargetLayerGPValue) == true)
{
message.AddError(120003, String.Format(resourceManager.GetString("GPTools_GPCopyLayerExtension_targetlayeralreadyexists"), inputTargetLayerGPValue.GetAsText()));
return;
}
}
for (int targetExtensionIndex = 0; targetExtensionIndex < targetLayerExtensions.ExtensionCount; targetExtensionIndex++)
{
targetLayerExtensions.RemoveExtension(targetExtensionIndex);
}
for (int sourceExtensionIndex = 0; sourceExtensionIndex < sourceLayerExtensions.ExtensionCount; sourceExtensionIndex++)
{
targetLayerExtensions.AddExtension(sourceLayerExtensions.get_Extension(sourceExtensionIndex));
}
}
catch (Exception ex)
{
message.AddError(120004, ex.Message);
}
}