// Token: 0x06000354 RID: 852 RVA: 0x00008AA0 File Offset: 0x00007AA0
public ComplexItem[] GetTypeConversions(Da.Server server)
{
if (this.m_unconvertedItemID != null || this.m_unfilteredItemID != null)
{
return(null);
}
BrowsePosition browsePosition = null;
ComplexItem[] result;
try
{
BrowseFilters browseFilters = new BrowseFilters();
browseFilters.ElementNameFilter = "CPX";
browseFilters.BrowseFilter = browseFilter.branch;
browseFilters.ReturnAllProperties = false;
browseFilters.PropertyIDs = null;
browseFilters.ReturnPropertyValues = false;
BrowseElement[] array = server.Browse(this, browseFilters, out browsePosition);
if (array == null || array.Length == 0)
{
result = null;
}
else
{
if (browsePosition != null)
{
browsePosition.Dispose();
browsePosition = null;
}
ItemIdentifier itemID = new ItemIdentifier(array[0].ItemPath, array[0].ItemName);
browseFilters.ElementNameFilter = null;
browseFilters.BrowseFilter = browseFilter.item;
browseFilters.ReturnAllProperties = false;
browseFilters.PropertyIDs = ComplexItem.CPX_PROPERTIES;
browseFilters.ReturnPropertyValues = true;
array = server.Browse(itemID, browseFilters, out browsePosition);
if (array == null || array.Length == 0)
{
result = new ComplexItem[0];
}
else
{
ArrayList arrayList = new ArrayList(array.Length);
foreach (BrowseElement browseElement in array)
{
if (browseElement.Name != "DataFilters")
{
ComplexItem complexItem = new ComplexItem();
if (complexItem.Init(browseElement))
{
complexItem.GetDataFilterItem(server);
arrayList.Add(complexItem);
}
}
}
result = (ComplexItem[])arrayList.ToArray(typeof(ComplexItem));
}
}
}
finally
{
if (browsePosition != null)
{
browsePosition.Dispose();
browsePosition = null;
}
}
return(result);
}
/// <summary>
/// Fetches the set of type conversions from the server.
/// </summary>
public ComplexItem[] GetTypeConversions(Opc.Da.Server server)
{
// only the root item can have type conversions.
if (m_unconvertedItemID != null || m_unfilteredItemID != null)
{
return(null);
}
BrowsePosition position = null;
try
{
// look for the 'CPX' branch.
BrowseFilters filters = new BrowseFilters();
filters.ElementNameFilter = CPX_BRANCH;
filters.BrowseFilter = browseFilter.branch;
filters.ReturnAllProperties = false;
filters.PropertyIDs = null;
filters.ReturnPropertyValues = false;
BrowseElement[] elements = server.Browse(this, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return(null);
}
// release the browse position object.
if (position != null)
{
position.Dispose();
position = null;
}
// browse for type conversions.
ItemIdentifier itemID = new ItemIdentifier(elements[0].ItemPath, elements[0].ItemName);
filters.ElementNameFilter = null;
filters.BrowseFilter = browseFilter.item;
filters.ReturnAllProperties = false;
filters.PropertyIDs = CPX_PROPERTIES;
filters.ReturnPropertyValues = true;
elements = server.Browse(itemID, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return(new ComplexItem[0]);
}
// contruct an array of complex data items for each available conversion.
ArrayList conversions = new ArrayList(elements.Length);
foreach (BrowseElement element in elements)
{
if (element.Name != CPX_DATA_FILTERS)
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
// check if data filters supported for type conversion.
item.GetDataFilterItem(server);
conversions.Add(item);
}
}
}
// return the set of available conversions.
return((ComplexItem[])conversions.ToArray(typeof(ComplexItem)));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
