private void recursiveTreeFill(Server server, string itemId)
{
BrowsePosition position;
BrowseFilters filters = new BrowseFilters()
{
BrowseFilter = browseFilter.all
};
ItemIdentifier item = (itemId == null) ? new ItemIdentifier() : new ItemIdentifier(itemId);
BrowseElement[] browseElements = server.Browse(item, filters, out position);
repository.Add(itemId, browseElements);
for (int index = 0; index < browseElements.Length; index++)
{
BrowseElement browsedElement = browseElements[index];
string itemName = browsedElement.ItemName;
if (browsedElement.HasChildren)
{
recursiveTreeFill(server, itemName);
}
else
{
if (!repository.ContainsKey(itemId))
{
repository.Add(itemId, new BrowseElement[] { });
}
}
}
}
/// <summary>
/// Fetches the set of data filters from the server.
/// </summary>
public ComplexItem[] GetDataFilters(Opc.Da.Server server)
{
// not a valid operation for data filter items.
if (m_unfilteredItemID != null)
{
return(null);
}
// data filters not supported by the item.
if (m_filterItem == null)
{
return(null);
}
BrowsePosition position = null;
try
{
// browse any existing filter instances.
BrowseFilters filters = new BrowseFilters();
filters.ElementNameFilter = null;
filters.BrowseFilter = browseFilter.item;
filters.ReturnAllProperties = false;
filters.PropertyIDs = CPX_PROPERTIES;
filters.ReturnPropertyValues = true;
BrowseElement[] elements = server.Browse(m_filterItem, 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 data filter.
ArrayList dataFilters = new ArrayList(elements.Length);
foreach (BrowseElement element in elements)
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
dataFilters.Add(item);
}
}
// return the set of available data filters.
return((ComplexItem[])dataFilters.ToArray(typeof(ComplexItem)));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
private void ApplyChanges()
{
BrowseFilters browseFilters = new BrowseFilters();
browseFilters.BrowseFilter = (browseFilter)this.BrowseFilterCTRL.Value;
browseFilters.MaxElementsReturned = (int)this.MaxElementsReturnedCTRL.Value;
browseFilters.ElementNameFilter = this.ElementNameFilterTB.Text;
browseFilters.VendorFilter = this.VendorFilterTB.Text;
if (!this.ReturnPropertiesCB.Checked)
{
browseFilters.ReturnAllProperties = false;
browseFilters.ReturnPropertyValues = false;
browseFilters.PropertyIDs = null;
}
else
{
browseFilters.ReturnAllProperties = this.PropertyFiltersCTRL.ReturnAllProperties;
browseFilters.ReturnPropertyValues = this.PropertyFiltersCTRL.ReturnPropertyValues;
if (!browseFilters.ReturnAllProperties)
{
browseFilters.PropertyIDs = this.PropertyFiltersCTRL.PropertyIDs;
}
else
{
browseFilters.PropertyIDs = null;
}
}
if (this.m_callback != null)
{
this.m_callback(browseFilters);
}
}
private EnumString GetEnumerator(string itemID, BrowseFilters filters, bool branches)
{
EnumString str2;
IOPCBrowseServerAddressSpace server = (IOPCBrowseServerAddressSpace)base.m_server;
try
{
server.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, (itemID != null) ? itemID : "");
}
catch
{
try
{
server.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, (itemID != null) ? itemID : "");
}
catch
{
throw new ResultIDException(ResultID.Da.E_UNKNOWN_ITEM_NAME);
}
}
try
{
OpcRcw.Da.IEnumString ppIEnumString = null;
server.BrowseOPCItemIDs(branches ? OPCBROWSETYPE.OPC_BRANCH : OPCBROWSETYPE.OPC_LEAF, (filters.ElementNameFilter != null) ? filters.ElementNameFilter : "", 0, 0, out ppIEnumString);
str2 = new EnumString(ppIEnumString);
}
catch
{
throw new ResultIDException(ResultID.Da.E_UNKNOWN_ITEM_NAME);
}
return(str2);
}
public ItemIdentifier ShowDialog(Opc.Da.Server server)
{
ItemIdentifier result;
try
{
if (server == null)
{
throw new System.ArgumentNullException("server");
}
this.m_server = server;
this.m_itemID = null;
BrowseFilters browseFilters = new BrowseFilters();
browseFilters.ReturnAllProperties = false;
browseFilters.ReturnPropertyValues = false;
this.BrowseCTRL.ShowSingleServer(this.m_server, browseFilters);
this.PropertiesCTRL.Initialize(null);
if (base.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
result = null;
}
else
{
result = this.m_itemID;
}
}
finally
{
this.BrowseCTRL.Clear();
}
return(result);
}
internal BrowsePosition(ItemIdentifier itemID, BrowseFilters filters, EnumString enumerator, bool isBranch) : base(itemID, filters)
{
this.Enumerator = null;
this.IsBranch = true;
this.Names = null;
this.Index = 0;
this.Enumerator = enumerator;
this.IsBranch = isBranch;
}
/// <summary>
/// Initializes a browse position
/// </summary>
internal BrowsePosition(
Opc.ItemIdentifier itemID,
BrowseFilters filters,
string continuationPoint)
:
base(itemID, filters)
{
ContinuationPoint = continuationPoint;
}
/// <summary>
/// Initializes a browse posistion
/// </summary>
internal RootBrowsePosition(
Opc.ItemIdentifier itemID,
BrowseFilters filters,
string locale,
bool returnErrorText)
:
base(itemID, filters, locale, returnErrorText)
{
}
private BrowseElement GetElement(string name, BrowseFilters filters, bool isBranch)
{
if (name == null)
{
return(null);
}
BrowseElement element = new BrowseElement {
Name = name,
HasChildren = isBranch,
ItemPath = null
};
try
{
string szItemID = null;
((IOPCBrowseServerAddressSpace)base.m_server).GetItemID(element.Name, out szItemID);
element.ItemName = szItemID;
OPCITEMDEF opcitemdef = new OPCITEMDEF {
szItemID = element.ItemName,
szAccessPath = null,
hClient = 0,
bActive = 0,
vtRequestedDataType = 0,
dwBlobSize = 0,
pBlob = IntPtr.Zero
};
IntPtr zero = IntPtr.Zero;
IntPtr ppErrors = IntPtr.Zero;
OPCITEMDEF[] pItemArray = new OPCITEMDEF[] { opcitemdef };
((IOPCItemMgt)this.m_group).ValidateItems(1, pItemArray, 0, out zero, out ppErrors);
OpcCom.Da.Interop.GetItemResults(ref zero, 1, true);
int[] numArray = OpcCom.Interop.GetInt32s(ref ppErrors, 1, true);
element.IsItem = numArray[0] >= 0;
}
catch
{
element.ItemName = null;
}
try
{
if (filters.ReturnAllProperties)
{
element.Properties = this.GetProperties(element.ItemName, null, filters.ReturnPropertyValues);
return(element);
}
if (filters.PropertyIDs != null)
{
element.Properties = this.GetProperties(element.ItemName, filters.PropertyIDs, filters.ReturnPropertyValues);
}
}
catch
{
element.Properties = null;
}
return(element);
}
private string getRootName(Server server)
{
BrowsePosition position;
BrowseFilters filters = new BrowseFilters()
{
BrowseFilter = browseFilter.all
};
BrowseElement[] rootElements = server.Browse(new ItemIdentifier(), filters, out position);
return(rootElements[0].ItemName);
}
/// <summary>
/// Initializes a browse posistion
/// </summary>
internal BrowsePosition(
Opc.ItemIdentifier itemID,
BrowseFilters filters,
string locale,
bool returnErrorText)
:
base(itemID, filters)
{
Locale = locale;
ReturnErrorText = returnErrorText;
}
public MainViewModel(
IFileService fileService,
ITmdbService tmdbService,
ITmdbSearchViewModel searchViewModel)
{
this.fileService = fileService;
this.tmdbService = tmdbService;
this.searchViewModel = searchViewModel;
SelectedBrowseFilter = BrowseFilters.First();
TargetFileNamePattern = "S{Season}E{Episode} - {Name}.{Extension}";
}
//======================================================================
// Browse
/// <summary>
/// Fetches the children of a branch that meet the filter criteria.
/// </summary>
/// <param name="itemID">The identifier of branch which is the target of the search.</param>
/// <param name="filters">The filters to use to limit the set of child elements returned.</param>
/// <param name="position">An object used to continue a browse that could not be completed.</param>
/// <returns>The set of elements found.</returns>
public Opc.Da.BrowseElement[] Browse(
ItemIdentifier itemID,
BrowseFilters filters,
out Opc.Da.BrowsePosition position)
{
position = null;
lock (this)
{
return(m_cache.Browse(itemID, filters, ref position));
}
}
//======================================================================
// Browse
/// <summary>
/// Fetches the children of a branch that meet the filter criteria.
/// </summary>
/// <param name="itemID">The identifier of branch which is the target of the search.</param>
/// <param name="filters">The filters to use to limit the set of child elements returned.</param>
/// <param name="position">An object used to continue a browse that could not be completed.</param>
/// <returns>The set of elements found.</returns>
public BrowseElement[] Browse(
ItemIdentifier itemID,
BrowseFilters filters,
out Opc.Da.BrowsePosition position)
{
position = null;
lock (this)
{
if (m_proxy == null)
{
throw new NotConnectedException();
}
// use default filters if none specified.
if (filters == null)
{
filters = new BrowseFilters();
}
BrowsePosition pos = new BrowsePosition(itemID, filters, m_options.Locale, ((m_options.Filters & (int)ResultFilter.ErrorText) != 0));
OpcXml.Da10.BrowseElement[] elements = null;
OpcXml.Da10.OPCError[] errors = null;
OpcXml.Da10.ReplyBase reply = m_proxy.Browse(
OpcXml.Da10.Request.GetPropertyNames(filters.PropertyIDs),
pos.Locale,
"",
(itemID != null)?itemID.ItemPath:null,
(itemID != null)?itemID.ItemName:null,
ref pos.ContinuationPoint,
filters.MaxElementsReturned,
OpcXml.Da10.Request.GetBrowseFilter(filters.BrowseFilter),
filters.ElementNameFilter,
filters.VendorFilter,
filters.ReturnAllProperties,
filters.ReturnPropertyValues,
pos.ReturnErrorText,
out elements,
out errors,
out pos.MoreElements);
CacheResponse(pos.Locale, reply, errors);
if (pos.MoreElements || (pos.ContinuationPoint != null && pos.ContinuationPoint != ""))
{
position = pos;
}
return(OpcXml.Da10.Request.GetBrowseElements(elements));
}
}
/// <summary>
/// Browses the address spase starting with selected <see cref="TagsTableRow"/>.
/// </summary>
/// <param name="itemID">The item to start with.</param>
/// <param name="filters">The filters to applay while browsing.</param>
/// <param name="position">The position to start next time.</param>
/// <returns></returns>
public TagsTableRow[] Browse(TagsTableRow itemID, BrowseFilters filters, out BrowsePosition position)
{
position = null;
if (itemID == null)
{
return(ServersTable[0].GetTagsTableRows());
}
else
{
return(itemID.GetTagsTableRows());
}
}
// Token: 0x06000355 RID: 853 RVA: 0x00008C14 File Offset: 0x00007C14
public ComplexItem[] GetDataFilters(Da.Server server)
{
if (this.m_unfilteredItemID != null)
{
return(null);
}
if (this.m_filterItem == null)
{
return(null);
}
BrowsePosition browsePosition = null;
ComplexItem[] result;
try
{
BrowseFilters browseFilters = new BrowseFilters();
browseFilters.ElementNameFilter = null;
browseFilters.BrowseFilter = browseFilter.item;
browseFilters.ReturnAllProperties = false;
browseFilters.PropertyIDs = ComplexItem.CPX_PROPERTIES;
browseFilters.ReturnPropertyValues = true;
BrowseElement[] array = server.Browse(this.m_filterItem, browseFilters, out browsePosition);
if (array == null || array.Length == 0)
{
result = new ComplexItem[0];
}
else
{
ArrayList arrayList = new ArrayList(array.Length);
foreach (BrowseElement element in array)
{
ComplexItem complexItem = new ComplexItem();
if (complexItem.Init(element))
{
arrayList.Add(complexItem);
}
}
result = (ComplexItem[])arrayList.ToArray(typeof(ComplexItem));
}
}
finally
{
if (browsePosition != null)
{
browsePosition.Dispose();
browsePosition = null;
}
}
return(result);
}
// Token: 0x0600035A RID: 858 RVA: 0x00009020 File Offset: 0x00008020
public void GetDataFilterItem(Da.Server server)
{
this.m_filterItem = null;
if (this.m_unfilteredItemID != null)
{
return;
}
BrowsePosition browsePosition = null;
try
{
ItemIdentifier itemID = new ItemIdentifier(this);
BrowseFilters browseFilters = new BrowseFilters();
browseFilters.ElementNameFilter = "DataFilters";
browseFilters.BrowseFilter = browseFilter.all;
browseFilters.ReturnAllProperties = false;
browseFilters.PropertyIDs = null;
browseFilters.ReturnPropertyValues = false;
BrowseElement[] array;
if (this.m_unconvertedItemID == null)
{
browseFilters.ElementNameFilter = "CPX";
array = server.Browse(itemID, browseFilters, out browsePosition);
if (array == null || array.Length == 0)
{
return;
}
if (browsePosition != null)
{
browsePosition.Dispose();
browsePosition = null;
}
itemID = new ItemIdentifier(array[0].ItemPath, array[0].ItemName);
browseFilters.ElementNameFilter = "DataFilters";
}
array = server.Browse(itemID, browseFilters, out browsePosition);
if (array != null && array.Length != 0)
{
this.m_filterItem = new ItemIdentifier(array[0].ItemPath, array[0].ItemName);
}
}
finally
{
if (browsePosition != null)
{
browsePosition.Dispose();
browsePosition = null;
}
}
}
private void OnBrowseFiltersChanged(BrowseFilters filters)
{
this.m_filters = filters;
if (this.IsBrowseElementNode(this.BrowseTV.SelectedNode))
{
BrowseElement browseElement = (BrowseElement)this.BrowseTV.SelectedNode.Tag;
if (!browseElement.HasChildren)
{
this.GetProperties(this.BrowseTV.SelectedNode);
return;
}
}
this.Browse(this.BrowseTV.SelectedNode);
}
public void GetDataFilterItem(Opc.Da.Server server)
{
this.m_filterItem = null;
if (this.m_unfilteredItemID == null)
{
BrowsePosition position = null;
try
{
ItemIdentifier itemID = new ItemIdentifier(this);
BrowseFilters filters = new BrowseFilters {
ElementNameFilter = "DataFilters",
BrowseFilter = browseFilter.all,
ReturnAllProperties = false,
PropertyIDs = null,
ReturnPropertyValues = false
};
BrowseElement[] elementArray = null;
if (this.m_unconvertedItemID == null)
{
filters.ElementNameFilter = "CPX";
elementArray = server.Browse(itemID, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
return;
}
if (position != null)
{
position.Dispose();
position = null;
}
itemID = new ItemIdentifier(elementArray[0].ItemPath, elementArray[0].ItemName);
filters.ElementNameFilter = "DataFilters";
}
elementArray = server.Browse(itemID, filters, out position);
if ((elementArray != null) && (elementArray.Length != 0))
{
this.m_filterItem = new ItemIdentifier(elementArray[0].ItemPath, elementArray[0].ItemName);
}
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
}
private bool BuildBrowseStack(ItemIdentifier itemID, ItemIdentifier targetID)
{
BrowseFilters filters = new BrowseFilters {
MaxElementsReturned = 0,
BrowseFilter = browseFilter.all,
ElementNameFilter = null,
VendorFilter = null,
ReturnAllProperties = false,
PropertyIDs = null,
ReturnPropertyValues = false
};
BrowseElement[] elementArray = null;
Opc.Da.BrowsePosition position = null;
try
{
elementArray = this.m_server.Browse(itemID, filters, out position);
}
catch (Exception)
{
this.m_browseStack.Clear();
return(false);
}
if (position != null)
{
position.Dispose();
position = null;
}
if ((elementArray == null) || (elementArray.Length == 0))
{
this.m_browseStack.Clear();
return(false);
}
foreach (BrowseElement element in elementArray)
{
if (element.ItemName == targetID.ItemName)
{
return(true);
}
if (targetID.ItemName.StartsWith(element.ItemName))
{
ItemIdentifier identifier = new ItemIdentifier(targetID.ItemName);
this.m_browseStack.Push(identifier);
return(this.BuildBrowseStack(identifier, targetID));
}
}
return(false);
}
public ComplexItem[] GetDataFilters(Opc.Da.Server server)
{
ComplexItem[] itemArray;
if (this.m_unfilteredItemID != null)
{
return(null);
}
if (this.m_filterItem == null)
{
return(null);
}
BrowsePosition position = null;
try
{
BrowseFilters filters = new BrowseFilters {
ElementNameFilter = null,
BrowseFilter = browseFilter.item,
ReturnAllProperties = false,
PropertyIDs = CPX_PROPERTIES,
ReturnPropertyValues = true
};
BrowseElement[] elementArray = server.Browse(this.m_filterItem, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
return(new ComplexItem[0]);
}
ArrayList list = new ArrayList(elementArray.Length);
foreach (BrowseElement element in elementArray)
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
list.Add(item);
}
}
itemArray = (ComplexItem[])list.ToArray(typeof(ComplexItem));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
return(itemArray);
}
public override BrowseElement[] BrowseNext(ref Opc.Da.BrowsePosition position)
{
lock (this)
{
if (m_server == null)
{
throw new NotConnectedException();
}
if (position == null && (object)position.GetType() != typeof(BrowsePosition))
{
throw new BrowseCannotContinueException();
}
BrowsePosition position2 = (BrowsePosition)position;
ItemIdentifier itemID = position2.ItemID;
BrowseFilters filters = position2.Filters;
ArrayList arrayList = new ArrayList();
if (position2.IsBranch)
{
BrowseElement[] elements = GetElements(arrayList.Count, itemID, filters, branches: true, ref position2);
if (elements != null)
{
arrayList.AddRange(elements);
}
position = position2;
if (position != null)
{
return((BrowseElement[])arrayList.ToArray(typeof(BrowseElement)));
}
}
if (filters.BrowseFilter != browseFilter.branch)
{
BrowseElement[] elements2 = GetElements(arrayList.Count, itemID, filters, branches: false, ref position2);
if (elements2 != null)
{
arrayList.AddRange(elements2);
}
position = position2;
}
return((BrowseElement[])arrayList.ToArray(typeof(BrowseElement)));
}
}
public virtual BrowseElement[] BrowseNext(ref Opc.Da.BrowsePosition position)
{
lock (this)
{
if (m_server == null)
{
throw new NotConnectedException();
}
if (position == null || (object)position.GetType() != typeof(BrowsePosition))
{
throw new BrowseCannotContinueException();
}
BrowsePosition browsePosition = (BrowsePosition)position;
if (browsePosition == null || browsePosition.ContinuationPoint == null || browsePosition.ContinuationPoint == "")
{
throw new BrowseCannotContinueException();
}
int pdwCount = 0;
int pbMoreElements = 0;
ItemIdentifier itemID = ((BrowsePosition)position).ItemID;
BrowseFilters filters = ((BrowsePosition)position).Filters;
IntPtr pszContinuationPoint = Marshal.StringToCoTaskMemUni(browsePosition.ContinuationPoint);
IntPtr ppBrowseElements = IntPtr.Zero;
try
{
((IOPCBrowse)m_server).Browse((itemID != null && itemID.ItemName != null) ? itemID.ItemName : "", ref pszContinuationPoint, filters.MaxElementsReturned, Interop.GetBrowseFilter(filters.BrowseFilter), (filters.ElementNameFilter != null) ? filters.ElementNameFilter : "", (filters.VendorFilter != null) ? filters.VendorFilter : "", filters.ReturnAllProperties ? 1 : 0, filters.ReturnPropertyValues ? 1 : 0, (filters.PropertyIDs != null) ? filters.PropertyIDs.Length : 0, Interop.GetPropertyIDs(filters.PropertyIDs), out pbMoreElements, out pdwCount, out ppBrowseElements);
}
catch (Exception e)
{
throw OpcCom.Interop.CreateException("IOPCBrowse.BrowseNext", e);
}
BrowseElement[] browseElements = Interop.GetBrowseElements(ref ppBrowseElements, pdwCount, deallocate: true);
browsePosition.ContinuationPoint = Marshal.PtrToStringUni(pszContinuationPoint);
Marshal.FreeCoTaskMem(pszContinuationPoint);
if (pbMoreElements == 0 && (browsePosition.ContinuationPoint == null || browsePosition.ContinuationPoint == ""))
{
position = null;
}
ProcessResults(browseElements, filters.PropertyIDs);
return(browseElements);
}
}
public void ShowSingleServer(Opc.Da.Server server, BrowseFilters filters)
{
if (server == null)
{
throw new System.ArgumentNullException("server");
}
this.Clear();
this.m_discovery = null;
this.m_filters = ((filters == null) ? new BrowseFilters() : filters);
this.BrowseTV.ContextMenu = this.PopupMenu;
this.m_singleServer = new System.Windows.Forms.TreeNode(server.Name);
this.m_singleServer.ImageIndex = Resources.IMAGE_LOCAL_SERVER;
this.m_singleServer.SelectedImageIndex = Resources.IMAGE_LOCAL_SERVER;
this.m_singleServer.Tag = server.Duplicate();
this.Connect(this.m_singleServer);
this.BrowseTV.Nodes.Add(this.m_singleServer);
}
public override BrowseElement[] Browse(ItemIdentifier itemID, BrowseFilters filters, out Opc.Da.BrowsePosition position)
{
if (filters == null)
{
throw new ArgumentNullException("filters");
}
position = null;
lock (this)
{
if (m_server == null)
{
throw new NotConnectedException();
}
BrowsePosition position2 = null;
ArrayList arrayList = new ArrayList();
if (filters.BrowseFilter != browseFilter.item)
{
BrowseElement[] elements = GetElements(arrayList.Count, itemID, filters, branches: true, ref position2);
if (elements != null)
{
arrayList.AddRange(elements);
}
position = position2;
if (position != null)
{
return((BrowseElement[])arrayList.ToArray(typeof(BrowseElement)));
}
}
if (filters.BrowseFilter != browseFilter.branch)
{
BrowseElement[] elements2 = GetElements(arrayList.Count, itemID, filters, branches: false, ref position2);
if (elements2 != null)
{
arrayList.AddRange(elements2);
}
position = position2;
}
return((BrowseElement[])arrayList.ToArray(typeof(BrowseElement)));
}
}
public void Show(System.Windows.Forms.Form owner, BrowseFilters filters, BrowseFiltersChangedCallback callback)
{
if (callback == null)
{
throw new System.ArgumentNullException("callback");
}
base.Owner = owner;
this.m_callback = callback;
this.BrowseFilterCTRL.Value = filters.BrowseFilter;
this.MaxElementsReturnedCTRL.Value = filters.MaxElementsReturned;
this.ElementNameFilterTB.Text = filters.ElementNameFilter;
this.VendorFilterTB.Text = filters.VendorFilter;
this.ReturnPropertiesCB.Checked = (filters.PropertyIDs != null || filters.ReturnAllProperties);
this.PropertyFiltersCTRL.ReturnAllProperties = filters.ReturnAllProperties;
this.PropertyFiltersCTRL.ReturnPropertyValues = filters.ReturnPropertyValues;
this.PropertyFiltersCTRL.PropertyIDs = filters.PropertyIDs;
base.Show();
}
public System.Windows.Forms.DialogResult Initialize(Opc.Da.Server server)
{
if (server == null)
{
throw new System.ArgumentNullException("server");
}
this.m_server = server;
BrowseFilters browseFilters = new BrowseFilters();
browseFilters.ReturnAllProperties = true;
browseFilters.ReturnPropertyValues = true;
this.BrowseCTRL.ShowSingleServer(this.m_server, browseFilters);
this.PropertiesCTRL.Initialize(null);
this.TagGridCTRL.Initialize(this.m_server, browseFilters, this.BrowseCTRL);
System.Windows.Forms.DialogResult result = base.ShowDialog();
this.BrowseCTRL.Clear();
return(result);
}
private void getTree(Opc.Da.Server server)
{
BrowsePosition bp;
ItemIdentifier itemID = new ItemIdentifier();
BrowseFilters filters = new BrowseFilters();
BrowseElement[] be = server.Browse(itemID, filters, out bp);
TreeNode kepServ = null;
int i = be.Length;
// MessageBox.Show(i.ToString());
while (i != 0)
{
--i;
kepServ = treeView1.Nodes.Add(be[i].ItemName);
}
// treeView1.Nodes.Add(kepServ);
}
public virtual BrowseElement[] BrowseNext(ref Opc.Da.BrowsePosition position)
{
lock (this)
{
if (base.m_server == null)
{
throw new NotConnectedException();
}
if ((position == null) || (position.GetType() != typeof(OpcCom.Da.BrowsePosition)))
{
throw new BrowseCannotContinueException();
}
OpcCom.Da.BrowsePosition position2 = (OpcCom.Da.BrowsePosition)position;
if (((position2 == null) || (position2.ContinuationPoint == null)) || (position2.ContinuationPoint == ""))
{
throw new BrowseCannotContinueException();
}
int pdwCount = 0;
int pbMoreElements = 0;
ItemIdentifier itemID = ((OpcCom.Da.BrowsePosition)position).ItemID;
BrowseFilters filters = ((OpcCom.Da.BrowsePosition)position).Filters;
IntPtr pszContinuationPoint = Marshal.StringToCoTaskMemUni(position2.ContinuationPoint);
IntPtr zero = IntPtr.Zero;
try
{
((IOPCBrowse)base.m_server).Browse(((itemID != null) && (itemID.ItemName != null)) ? itemID.ItemName : "", ref pszContinuationPoint, filters.MaxElementsReturned, OpcCom.Da.Interop.GetBrowseFilter(filters.BrowseFilter), (filters.ElementNameFilter != null) ? filters.ElementNameFilter : "", (filters.VendorFilter != null) ? filters.VendorFilter : "", filters.ReturnAllProperties ? 1 : 0, filters.ReturnPropertyValues ? 1 : 0, (filters.PropertyIDs != null) ? filters.PropertyIDs.Length : 0, OpcCom.Da.Interop.GetPropertyIDs(filters.PropertyIDs), out pbMoreElements, out pdwCount, out zero);
}
catch (Exception exception)
{
throw OpcCom.Interop.CreateException("IOPCBrowse.BrowseNext", exception);
}
BrowseElement[] elements = OpcCom.Da.Interop.GetBrowseElements(ref zero, pdwCount, true);
position2.ContinuationPoint = Marshal.PtrToStringUni(pszContinuationPoint);
Marshal.FreeCoTaskMem(pszContinuationPoint);
if ((pbMoreElements == 0) && ((position2.ContinuationPoint == null) || (position2.ContinuationPoint == "")))
{
position = null;
}
this.ProcessResults(elements, filters.PropertyIDs);
return(elements);
}
}
public BrowseElement[] browse(ref string itemName)
{
BrowsePosition position;
BrowseFilters filters = new BrowseFilters()
{
BrowseFilter = browseFilter.all
};
if (OpcDaConnector.server == null)
{
return new BrowseElement[] { new BrowseElement() }
}
;
else
{
BrowseElement[] browsed = OpcDaConnector.server.Browse(new ItemIdentifier(itemName), filters, out position);
return(browsed);
}
}
//======================================================================
// Browse
/// <summary>
/// Fetches the children of a branch that meet the filter criteria.
/// </summary>
/// <param name="itemID">The identifier of branch which is the target of the search.</param>
/// <param name="filters">The filters to use to limit the set of child elements returned.</param>
/// <param name="position">An object used to continue a browse that could not be completed.</param>
/// <returns>The set of elements found.</returns>
public Opc.Da.BrowseElement[] Browse(
ItemIdentifier itemID,
BrowseFilters filters,
out Opc.Da.BrowsePosition position)
{
position = null;
lock (this)
{
return m_cache.Browse(itemID, filters, ref position);
}
}
/// <summary>
/// Returns the set of elements in the address space that meet the specified criteria.
/// </summary>
public Opc.Da.BrowseElement[] Browse(
ItemIdentifier itemID,
BrowseFilters filters,
ref Opc.Da.BrowsePosition position)
{
lock (this)
{
if (m_disposed) throw new ObjectDisposedException("Opc.Da.Cache");
BrowseElement element = m_addressSpace;
// find desired element.
string browsePath = (itemID != null)?itemID.ItemName:null;
if (browsePath != null && browsePath.Length > 0)
{
element = m_addressSpace.Find(browsePath);
if (element == null)
{
// check if browsing a property item.
PropertyID property = Property.VALUE;
string rootID = LookupProperty(browsePath, out property);
if (rootID != null)
{
element = m_addressSpace.Find(rootID);
}
if (element == null)
{
throw new ResultIDException(ResultID.Da.E_UNKNOWN_ITEM_NAME);
}
// property items never contain children.
return new Opc.Da.BrowseElement[0];
}
}
// check if no elements exist.
if (element.Count == 0)
{
return new Opc.Da.BrowseElement[0];
}
// determine start position.
int start = 0;
if (position != null)
{
start = ((BrowsePosition)position).Index;
position.Dispose();
position = null;
}
// process child nodes.
ArrayList results = new ArrayList();
for (int ii = start; ii < element.Count; ii++)
{
BrowseElement child = element.Child(ii);
// exclude elements without children.
if (filters.BrowseFilter == browseFilter.branch && child.Count == 0)
{
continue;
}
// check if an element is an item.
CacheItem item = (CacheItem)m_items[child.ItemID];
// exclude elements which are not items.
if (filters.BrowseFilter == browseFilter.item && item == null)
{
continue;
}
// apply name filter (using the SQL LIKE operator).
if (filters.ElementNameFilter != null && filters.ElementNameFilter.Length > 0)
{
if (!Opc.Convert.Match(child.Name, filters.ElementNameFilter, true))
{
continue;
}
}
// add element to list of results.
Opc.Da.BrowseElement result = new Opc.Da.BrowseElement();
result.Name = child.Name;
result.ItemName = child.ItemID;
result.ItemPath = null;
result.IsItem = item != null;
result.HasChildren = child.Count > 0;
result.Properties = null;
// add properties to results.
if (filters.ReturnAllProperties || filters.PropertyIDs != null)
{
result.Properties = GetProperties(item, (filters.ReturnAllProperties)?null:filters.PropertyIDs, filters.ReturnPropertyValues);
}
results.Add(result);
// check if max elements exceeded.
if (filters.MaxElementsReturned > 0 && results.Count >= filters.MaxElementsReturned)
{
if (ii+1 < element.Count)
{
position = new BrowsePosition(itemID, filters);
((BrowsePosition)position).Index = ii+1;
}
break;
}
}
// return results.
return (Opc.Da.BrowseElement[])results.ToArray(typeof(Opc.Da.BrowseElement));
}
}
/// <summary>
/// Initializes the base object with the specified parameters.
/// </summary>
public BrowsePosition(Opc.ItemIdentifier itemID, BrowseFilters filters)
: base(itemID, filters)
{
}
private void UpdateFolderData(TreeNode node)
{
if (node == null)
{
uiFolderTagsBindingSource.DataSource = null;
return;
}
//Add items to folder, read from OPC Server if first time
var folderTags = node.Tag as List<BrowseElement>;
if (folderTags == null)
{
TreeNode rootNode = node;
while (rootNode.Parent != null)
{
rootNode = rootNode.Parent;
}
var opcServer = Settings.OpcServers.Where(os => rootNode.FullPath == os.ServerName).Single();
string urlstring = opcServer.URL;
Server server = new Server(new Factory(), new URL(urlstring));
server.Connect();
BrowsePosition position;
BrowseFilters filters = new BrowseFilters() { BrowseFilter = browseFilter.all };
ItemIdentifier itemId = null;
if (node.FullPath != server.Name)
{
itemId = new ItemIdentifier(node.Name);
}
BrowseElement[] elements = server.Browse(itemId, filters, out position);
server.Disconnect();
var items = elements.Where(e => e.IsItem);
if (items.Any())
{
folderTags = items.ToList();
}
else
{
folderTags = new List<BrowseElement>();
}
var folders = elements.Where(e => e.IsItem == false);
if(folders.Any())
{
foreach (var element in elements.Where(e => !e.IsItem))
{
node.Nodes.Add(element.Name).Name = element.ItemName;
}
}
node.Tag = folderTags;
}
//Exlude elements which already are in group
folderTags = folderTags.ToList();
var selectedGroup = uiGroupsTab_Groups.SelectedItem as Group;
if (selectedGroup != null)
{
if (selectedGroup.Properties != null)
{
foreach (var property in selectedGroup.Properties)
{
folderTags.RemoveAll(t => t.ItemName == property.TagName);
}
}
}
uiFolderTagsBindingSource.DataSource = folderTags;
//if (elements != null)
//{
// var itemsIDs = new List<ItemIdentifier>();
// foreach (var element in elements)
// {
// itemsIDs.Add(new ItemIdentifier(element.ItemName));
// }
// var prid = new List<PropertyID>();
// prid.Add(new PropertyID(1));
// prid.Add(new PropertyID(2));
// var tst = server.GetProperties(itemsIDs.ToArray(), prid.ToArray(), true);
//}
}
