/// <summary>
/// Check if the form is applicable to the given set of objects. In this case
/// only the Raster Function object is used to check compatibility.
/// </summary>
/// <param name="objects">Set of object to check against.</param>
/// <returns>Flag to specify whether the form is applicable.</returns>
public bool Applies(ESRI.ArcGIS.esriSystem.ISet objects)
{
objects.Reset();
for (int i = 0; i < objects.Count; i++)
{
object currObject = objects.Next();
if (currObject is IRasterFunction)
{
IRasterFunction rasterFunction = (IRasterFunction)currObject;
if (rasterFunction is IPersistVariant)
{
IPersistVariant myVariantObject = (IPersistVariant)rasterFunction;
// Compare the ID from the function object with the ID's supported by this UI page.
if (myVariantObject.ID.Compare(mySupportedID))
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
}
return(false);
}
public static ILayer Clone(this ILayer layer)
{
if (layer is IPersistStream)
{
IObjectCopy objectCopy = new ObjectCopyClass();
object clone = objectCopy.Copy(layer);
ILayer layerClone = clone as ILayer;
return(layerClone);
}
if (layer is IPersistVariant)
{
// Create an XML Stream
IXMLStream xmlStream = new XMLStreamClass();
IVariantStreamIO variantStreamIO = new VariantStreamIOClass()
{
Stream = (IStream)xmlStream
};
// Save Layer to Stream
IVariantStream variantStream = (IVariantStream)variantStreamIO;
IPersistVariant save = (IPersistVariant)layer;
save.Save(variantStream);
// Move Seek Pointer to beginning of Stream
xmlStream.Reset();
// Create New Layer
ILayer newlayer = null;
if (layer is IImageServerLayer)
{
newlayer = new ImageServerLayerClass();
}
if (newlayer == null)
{
return(null);
}
// Create new Layer
IPersistVariant load = (IPersistVariant)newlayer;
load.Load(variantStream);
// Return Cloned Layer
return(newlayer);
}
return(null);
}
