private EnumString GetEnumerator(string itemID, BrowseFilters filters, bool branches, bool flat)
{
IOPCBrowseServerAddressSpace iOPCBrowseServerAddressSpace = (IOPCBrowseServerAddressSpace)m_server;
if (!flat)
{
string text = (itemID != null) ? itemID : "";
try
{
iOPCBrowseServerAddressSpace.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, text);
}
catch
{
try
{
iOPCBrowseServerAddressSpace.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, text);
}
catch
{
try
{
while (true)
{
iOPCBrowseServerAddressSpace.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_UP, string.Empty);
}
}
catch
{
}
string[] array = null;
lock (m_separatorsLock)
{
array = ((m_separators == null) ? text.Split(m_separators) : text.Split(m_separators));
}
for (int i = 0; i < array.Length; i++)
{
if (array[i] != null && array[i].Length != 0)
{
try
{
iOPCBrowseServerAddressSpace.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, array[i]);
}
catch
{
throw new ResultIDException(ResultID.Da.E_UNKNOWN_ITEM_NAME, "Cannot browse because the server is not compliant because it does not support the BROWSE_TO function.");
}
}
}
}
}
}
try
{
IEnumString ppIEnumString = null;
OPCBROWSETYPE dwBrowseFilterType = branches ? OPCBROWSETYPE.OPC_BRANCH : OPCBROWSETYPE.OPC_LEAF;
if (flat)
{
dwBrowseFilterType = OPCBROWSETYPE.OPC_FLAT;
}
iOPCBrowseServerAddressSpace.BrowseOPCItemIDs(dwBrowseFilterType, (filters.ElementNameFilter != null) ? filters.ElementNameFilter : "", 0, 0, out ppIEnumString);
return(new EnumString(ppIEnumString));
}
catch
{
throw new ResultIDException(ResultID.Da.E_UNKNOWN_ITEM_NAME);
}
}
private List <string> GetOptionIdsImpl()
{
IEnumString optionIds = _speller.Value.OptionIds;
return((optionIds != null) ? optionIds.ToList(false, true) : null);
}
public void BrowseOPCItemIDs(OPCBROWSETYPE dwBrowseFilterType, string szFilterCriteria, short vtDataTypeFilter, int dwAccessRightsFilter, out IEnumString ppIEnumString)
{
var methodName = nameof(IOPCBrowseServerAddressSpace) + "." + nameof(IOPCBrowseServerAddressSpace.BrowseOPCItemIDs);
try
{
var server = BeginComCall <IOPCBrowseServerAddressSpace>(methodName, true);
server.BrowseOPCItemIDs(dwBrowseFilterType, szFilterCriteria, vtDataTypeFilter, dwAccessRightsFilter, out ppIEnumString);
}
finally
{
EndComCall(methodName);
}
}
int WebBrowserAPI.IInternetSecurityManager.GetZoneMappings(int dwZone, ref IEnumString ppenumstring, int dwFlags)
{
ppenumstring = null;
return WebBrowserAPI.INET_E_DEFAULT_ACTION;
}
public ComStringEnumerator(IntPtr ptrToIEnumString)
{
this.enumString = (IEnumString)Marshal.GetTypedObjectForIUnknown(ptrToIEnumString, typeof(IEnumString));
}
public virtual int GetZoneMappings(int dwZone, out IEnumString ppenumString, int dwFlags)
{
ppenumString = null;
return INET_E.DEFAULT_ACTION;
}
void IEnumString.Clone(out IEnumString ppenum)
{
ppenum = new StringSource(this.strings);
}
public void BrowseAccessPaths(string szItemID, out IEnumString pIEnumString)
{
var methodName = nameof(IOPCBrowseServerAddressSpace) + "." + nameof(IOPCBrowseServerAddressSpace.BrowseAccessPaths);
try
{
var server = BeginComCall<IOPCBrowseServerAddressSpace>(methodName, true);
server.BrowseAccessPaths(szItemID, out pIEnumString);
}
finally
{
EndComCall(methodName);
}
}
public void BrowseOPCItemIDs(OPCBROWSETYPE dwBrowseFilterType, string szFilterCriteria, short vtDataTypeFilter, int dwAccessRightsFilter, out IEnumString ppIEnumString)
{
var methodName = nameof(IOPCBrowseServerAddressSpace) + "." + nameof(IOPCBrowseServerAddressSpace.BrowseOPCItemIDs);
try
{
var server = BeginComCall<IOPCBrowseServerAddressSpace>(methodName, true);
server.BrowseOPCItemIDs(dwBrowseFilterType, szFilterCriteria, vtDataTypeFilter, dwAccessRightsFilter, out ppIEnumString);
}
finally
{
EndComCall(methodName);
}
}
public void EnumObjectParam(out IEnumString ppenum)
{
_object.EnumObjectParam(out ppenum);
}
public void Clone(out IEnumString ppenum)
{
throw new System.NotImplementedException();
}
public int Clone(out IEnumString ppenum)
{
throw new NotImplementedException();
}
public void Clone(out IEnumString ppenum)
{
ppenum = new EnumString(strings);
}
public void Clone(out IEnumString ppenum)
{
ppenum = null;
}
void IEnumString.Clone(out IEnumString ppenum)
{
ppenum = new StringSource(strings);
}
int COM.IInternetSecurityManager.GetZoneMappings(int dwZone, out IEnumString ppenumString, int dwFlags)
{
ppenumString = null;
return COM.INET_E_DEFAULT_ACTION;
}
/// <summary>
/// Initializes the object with an enumerator.
/// </summary>
public EnumString(object enumerator)
{
m_enumerator = (IEnumString)enumerator;
}
public void GetEnumerator(out IEnumString ppIEnumString)
{
Log.Error("MetadataEnumerator.GetEnumerator called");
throw new NotImplementedException();
}
public int GetZoneMappings(int dwZone, out IEnumString ppenumString, int dwFlags)
{
return SecurityManager.GetZoneMappings(dwZone, out ppenumString, dwFlags);
}
/// <summary>
/// Releases the remote COM object.
/// </summary>
public void Dispose()
{
Utilities.Interop.ReleaseServer(m_enumerator);
m_enumerator = null;
}
int IInternetSecurityManager.GetZoneMappings(uint dwZone, out IEnumString ppenumString, uint dwFlags)
{
ppenumString = null;
return (int)WinInetErrors.INET_E_DEFAULT_ACTION;
}
private static int Skip(IntPtr thisPtr, int celt)
{
IEnumString inst = ComInterfaceDispatch.GetInstance <IEnumString>((ComInterfaceDispatch *)thisPtr);
return(inst.Skip(celt));
}
public int GetZoneMappings(int dwZone, ref IEnumString ppenumString, int dwFlags)
{
ppenumString = null;
return WebBrowserAPI.INET_E_DEFAULT_ACTION;
}
int WebBrowserAPI.IInternetSecurityManager.GetZoneMappings(int dwZone, ref IEnumString ppenumstring, int dwFlags)
{
ppenumstring = null;
return(WebBrowserAPI.INET_E_DEFAULT_ACTION);
}