public void Browse(OpcBrowseType p_Type, out ArrayList p_Lst)
{
p_Lst = null;
UCOMIEnumString l_Enumerator;
BrowseOPCItemIDs(p_Type, "", VarEnum.VT_EMPTY, 0, out l_Enumerator);
if (l_Enumerator == null)
{
return;
}
p_Lst = new ArrayList(500);
int l_Cft;
string[] l_StrF = new string[100];
int l_HResult;
do
{
l_Cft = 0;
l_HResult = l_Enumerator.Next(100, l_StrF, out l_Cft);
if (l_Cft > 0)
{
for (int i = 0; i < l_Cft; ++i)
{
p_Lst.Add(l_StrF[i]);
}
}
}while (l_HResult == HResults.S_OK);
Marshal.ReleaseComObject(l_Enumerator);
l_Enumerator = null;
p_Lst.TrimToSize();
}
public string[] BrowseItemIds(OpcBrowseType browseType, string filterCriteria, short dataTypeFilter, int accessRightsFilter)
{
IEnumString ppIEnumString = null;
_server.BrowseOPCItemIDs((OPCBROWSETYPE)browseType, filterCriteria, dataTypeFilter, accessRightsFilter, out ppIEnumString);
var enumString = new EnumString(ppIEnumString, 100);
return Enumerable.Repeat(enumString, int.MaxValue).Select(_ => _.Next()).TakeWhile(_ => _ != null).ToArray();
}
public void BrowseOPCItemIDs(OpcBrowseType p_FilterType, string p_FilterCriteria,
VarEnum p_DataTypeFilter, OpcAccessRights p_AccessRightsFilter, out UCOMIEnumString p_StringEnumerator)
{
object l_EnumTemp;
m_IfBrowse.BrowseOPCItemIDs(p_FilterType, p_FilterCriteria, (short)p_DataTypeFilter, p_AccessRightsFilter, out l_EnumTemp);
p_StringEnumerator = (UCOMIEnumString)l_EnumTemp;
}
public string[] BrowseItemIds(OpcBrowseType browseType, string filterCriteria, short dataTypeFilter, int accessRightsFilter)
{
IEnumString ppIEnumString = null;
_server.BrowseOPCItemIDs((OPCBROWSETYPE)browseType, filterCriteria, dataTypeFilter, accessRightsFilter, out ppIEnumString);
var enumString = new EnumString(ppIEnumString, 100);
return(Enumerable.Repeat(enumString, int.MaxValue).Select(_ => _.Next()).TakeWhile(_ => _ != null).ToArray());
}
