public void QueryAvailableLocaleIDs(out int[] p_LocalIDs)
{
p_LocalIDs = null;
int l_Count;
IntPtr l_PtrIDs;
int l_HResult = m_IfCommon.QueryAvailableLocaleIDs(out l_Count, out l_PtrIDs);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
if (((int)l_PtrIDs) == 0)
{
return;
}
if (l_Count < 1)
{
Marshal.FreeCoTaskMem(l_PtrIDs);
return;
}
p_LocalIDs = new int[l_Count];
Marshal.Copy(l_PtrIDs, p_LocalIDs, 0, l_Count);
Marshal.FreeCoTaskMem(l_PtrIDs);
}
public bool Write(int[] p_ArrHSrv, object[] p_ArrVal, int p_TransactionID, out int p_CancelID, out int[] p_ArrErr)
{
p_ArrErr = null;
p_CancelID = 0;
int l_Count = p_ArrHSrv.Length;
if (l_Count != p_ArrVal.Length)
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
IntPtr l_PtrErr;
int l_HResult = m_IfAsync.Write(l_Count, p_ArrHSrv, p_ArrVal, p_TransactionID, out p_CancelID, out l_PtrErr);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
p_ArrErr = new int[l_Count];
Marshal.Copy(l_PtrErr, p_ArrErr, 0, l_Count);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public bool Read(OpcDataSource p_Src, int[] p_ArrHSrv, out OpcItemState[] p_ArrStat)
{
p_ArrStat = null;
int l_Count = p_ArrHSrv.Length;
IntPtr l_PtrStat;
IntPtr l_PtrErr;
int l_HResult = m_IfSync.Read(p_Src, l_Count, p_ArrHSrv, out l_PtrStat, out l_PtrErr);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
int l_RunErr = (int)l_PtrErr;
int l_RunStat = (int)l_PtrStat;
if ((l_RunErr == 0) || (l_RunStat == 0))
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
p_ArrStat = new OpcItemState[l_Count];
for (int i = 0; i < l_Count; ++i)
{
p_ArrStat[i] = new OpcItemState();
p_ArrStat[i].Error = Marshal.ReadInt32((IntPtr)l_RunErr);
l_RunErr += 4;
p_ArrStat[i].HandleClient = Marshal.ReadInt32((IntPtr)l_RunStat);
if (HResults.Succeeded(p_ArrStat[i].Error))
{
short l_VT = Marshal.ReadInt16((IntPtr)(l_RunStat + 16));
if (l_VT == (short)VarEnum.VT_ERROR)
{
p_ArrStat[i].Error = Marshal.ReadInt32((IntPtr)(l_RunStat + 24));
}
p_ArrStat[i].Timestamp = Marshal.ReadInt64((IntPtr)(l_RunStat + 4));
p_ArrStat[i].Quality = Marshal.ReadInt16((IntPtr)(l_RunStat + 12));
p_ArrStat[i].DataValue = Marshal.GetObjectForNativeVariant((IntPtr)(l_RunStat + 16));
DummyVariant.VariantClear((IntPtr)(l_RunStat + 16));
}
else
{
p_ArrStat[i].DataValue = null;
}
l_RunStat += 32;
}
Marshal.FreeCoTaskMem(l_PtrStat);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public bool LookupItemIDs(string p_ItemID, int[] p_PropertyIDs, out OpcPropertyItem[] p_PropertyItems)
{
p_PropertyItems = null;
int l_Count = p_PropertyIDs.Length;
if (l_Count < 1)
{
return(false);
}
IntPtr l_PtrErr;
IntPtr l_PtrIDs;
int l_HResult = m_IfItmProps.LookupItemIDs(p_ItemID, l_Count, p_PropertyIDs, out l_PtrIDs, out l_PtrErr);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
int l_RunIDs = (int)l_PtrIDs;
int l_RunErr = (int)l_PtrErr;
if ((l_RunIDs == 0) || (l_RunErr == 0))
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
p_PropertyItems = new OpcPropertyItem[l_Count];
IntPtr l_PtrString;
for (int i = 0; i < l_Count; ++i)
{
p_PropertyItems[i] = new OpcPropertyItem();
p_PropertyItems[i].PropertyId = p_PropertyIDs[i];
p_PropertyItems[i].Error = Marshal.ReadInt32((IntPtr)l_RunErr);
l_RunErr += 4;
if (p_PropertyItems[i].Error == HResults.S_OK)
{
l_PtrString = (IntPtr)Marshal.ReadInt32((IntPtr)l_RunIDs);
p_PropertyItems[i].NewItemId = Marshal.PtrToStringUni(l_PtrString);
Marshal.FreeCoTaskMem(l_PtrString);
}
else
{
p_PropertyItems[i].NewItemId = null;
}
l_RunIDs += 4;
}
Marshal.FreeCoTaskMem(l_PtrIDs);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public bool GetItemProperties(string p_ItemID, int[] p_PropertyIDs, out OpcPropertyData[] p_PropertiesData)
{
p_PropertiesData = null;
int l_Count = p_PropertyIDs.Length;
if (l_Count < 1)
{
return(false);
}
IntPtr l_PtrDat;
IntPtr l_PtrErr;
int l_HResult = m_IfItmProps.GetItemProperties(p_ItemID, l_Count, p_PropertyIDs, out l_PtrDat, out l_PtrErr);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
int l_RunDat = (int)l_PtrDat;
int l_RunErr = (int)l_PtrErr;
if ((l_RunDat == 0) || (l_RunErr == 0))
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
p_PropertiesData = new OpcPropertyData[l_Count];
for (int i = 0; i < l_Count; ++i)
{
p_PropertiesData[i] = new OpcPropertyData();
p_PropertiesData[i].PropertyId = p_PropertyIDs[i];
p_PropertiesData[i].Error = Marshal.ReadInt32((IntPtr)l_RunErr);
l_RunErr += 4;
if (p_PropertiesData[i].Error == HResults.S_OK)
{
p_PropertiesData[i].Data = Marshal.GetObjectForNativeVariant((IntPtr)l_RunDat);
DummyVariant.VariantClear((IntPtr)l_RunDat);
}
else
{
p_PropertiesData[i].Data = null;
}
l_RunDat += DummyVariant.CONST_SIZE;
}
Marshal.FreeCoTaskMem(l_PtrDat);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public bool SetActiveState(int[] p_ArrHSrv, bool p_Activate, out int[] p_ArrErr)
{
p_ArrErr = null;
int l_Count = p_ArrHSrv.Length;
IntPtr l_PtrErr;
int l_HResult = m_IfItems.SetActiveState(l_Count, p_ArrHSrv, p_Activate, out l_PtrErr);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
p_ArrErr = new int[l_Count];
Marshal.Copy(l_PtrErr, p_ArrErr, 0, l_Count);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public bool SetDatatypes(int[] p_ArrHSrv, VarEnum[] p_ArrVT, out int[] p_ArrErr)
{
p_ArrErr = null;
int l_Count = p_ArrHSrv.Length;
if (l_Count != p_ArrVT.Length)
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
IntPtr l_PtrVT = Marshal.AllocCoTaskMem(l_Count * 2);
int l_RunVT = (int)l_PtrVT;
for (int i = 0; i < p_ArrVT.Length; ++i)
{
VarEnum l_VarEnm = p_ArrVT[i];
Marshal.WriteInt16((IntPtr)l_RunVT, (short)l_VarEnm);
l_RunVT += 2;
}
IntPtr l_PtrErr;
int l_HResult = m_IfItems.SetDatatypes(l_Count, p_ArrHSrv, l_PtrVT, out l_PtrErr);
Marshal.FreeCoTaskMem(l_PtrVT);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
p_ArrErr = new int[l_Count];
Marshal.Copy(l_PtrErr, p_ArrErr, 0, l_Count);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public OPCEnumItemAttributes CreateAttrEnumerator()
{
Type l_TypEnuAtt = typeof(IEnumOPCItemAttributes);
Guid l_GuidEnuAtt = l_TypEnuAtt.GUID;
object l_ObjTemp;
int l_HResult = m_IfItems.CreateEnumerator(ref l_GuidEnuAtt, out l_ObjTemp);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
if ((l_HResult == HResults.S_FALSE) || (l_ObjTemp == null))
{
return(null);
}
IEnumOPCItemAttributes l_IfEnu = (IEnumOPCItemAttributes)l_ObjTemp;
l_ObjTemp = null;
OPCEnumItemAttributes l_Enu = new OPCEnumItemAttributes(l_IfEnu);
return(l_Enu);
}
public bool SetClientHandles(int[] p_ArrHSrv, int[] p_ArrHClt, out int[] p_ArrErr)
{
p_ArrErr = null;
int l_Count = p_ArrHSrv.Length;
if (l_Count != p_ArrHClt.Length)
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
IntPtr l_PtrErr;
int l_HResult = m_IfItems.SetClientHandles(l_Count, p_ArrHSrv, p_ArrHClt, out l_PtrErr);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
p_ArrErr = new int[l_Count];
Marshal.Copy(l_PtrErr, p_ArrErr, 0, l_Count);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}
public bool ValidateItems(OpcItemDef[] p_ArrDef, bool p_BlobUpd, out OpcItemResult[] p_ArrRes)
{
p_ArrRes = null;
bool l_HasBlobs = false;
int l_Count = p_ArrDef.Length;
IntPtr l_PtrDef = Marshal.AllocCoTaskMem(l_Count * m_SizeOPCItemDef);
int l_RunDef = (int)l_PtrDef;
OpcItemDefIntern l_ItmDefIntrn = new OpcItemDefIntern();
l_ItmDefIntrn.Reserved = 0;
for (int i = 0; i < p_ArrDef.Length; ++i)
{
OpcItemDef l_ItmDef = p_ArrDef[i];
l_ItmDefIntrn.AccessPath = l_ItmDef.AccessPath;
l_ItmDefIntrn.ItemID = l_ItmDef.ItemID;
l_ItmDefIntrn.Active = l_ItmDef.Active;
l_ItmDefIntrn.Client = l_ItmDef.HandleClient;
l_ItmDefIntrn.RequestedDataType = (short)l_ItmDef.RequestedDataType;
l_ItmDefIntrn.BlobSize = 0;
l_ItmDefIntrn.Blob = IntPtr.Zero;
if (l_ItmDef.Blob != null)
{
l_ItmDefIntrn.BlobSize = l_ItmDef.Blob.Length;
if (l_ItmDefIntrn.BlobSize > 0)
{
l_HasBlobs = true;
l_ItmDefIntrn.Blob = Marshal.AllocCoTaskMem(l_ItmDefIntrn.BlobSize);
Marshal.Copy(l_ItmDef.Blob, 0, l_ItmDefIntrn.Blob, l_ItmDefIntrn.BlobSize);
}
}
Marshal.StructureToPtr(l_ItmDefIntrn, (IntPtr)l_RunDef, false);
l_RunDef += m_SizeOPCItemDef;
}
IntPtr l_PtrRes;
IntPtr l_PtrErr;
int l_HResult = m_IfItems.ValidateItems(l_Count, l_PtrDef, p_BlobUpd, out l_PtrRes, out l_PtrErr);
l_RunDef = (int)l_PtrDef;
if (l_HasBlobs)
{
for (int i = 0; i < l_Count; ++i)
{
IntPtr l_Blob = (IntPtr)Marshal.ReadInt32((IntPtr)(l_RunDef + 20));
if (l_Blob != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(l_Blob);
}
Marshal.DestroyStructure((IntPtr)l_RunDef, m_TypeOPCItemDef);
l_RunDef += m_SizeOPCItemDef;
}
}
else
{
for (int i = 0; i < l_Count; ++i)
{
Marshal.DestroyStructure((IntPtr)l_RunDef, m_TypeOPCItemDef);
l_RunDef += m_SizeOPCItemDef;
}
}
Marshal.FreeCoTaskMem(l_PtrDef);
if (HResults.Failed(l_HResult))
{
Marshal.ThrowExceptionForHR(l_HResult);
}
int l_RunRes = (int)l_PtrRes;
int l_RunErr = (int)l_PtrErr;
if ((l_RunRes == 0) || (l_RunErr == 0))
{
Marshal.ThrowExceptionForHR(HResults.E_ABORT);
}
p_ArrRes = new OpcItemResult[l_Count];
for (int i = 0; i < l_Count; ++i)
{
p_ArrRes[i] = new OpcItemResult();
p_ArrRes[i].Error = Marshal.ReadInt32((IntPtr)l_RunErr);
if (HResults.Failed(p_ArrRes[i].Error))
{
continue;
}
p_ArrRes[i].HandleServer = Marshal.ReadInt32((IntPtr)l_RunRes);
p_ArrRes[i].CanonicalDataType = (VarEnum)(int)Marshal.ReadInt16((IntPtr)(l_RunRes + 4));
p_ArrRes[i].AccessRights = (OpcAccessRights)Marshal.ReadInt32((IntPtr)(l_RunRes + 8));
int l_PtrBlob = Marshal.ReadInt32((IntPtr)(l_RunRes + 16));
if (l_PtrBlob != 0)
{
int l_BlobSize = Marshal.ReadInt32((IntPtr)(l_RunRes + 12));
if (l_BlobSize > 0)
{
p_ArrRes[i].Blob = new byte[l_BlobSize];
Marshal.Copy((IntPtr)l_PtrBlob, p_ArrRes[i].Blob, 0, l_BlobSize);
}
Marshal.FreeCoTaskMem((IntPtr)l_PtrBlob);
}
l_RunRes += m_SizeOPCItemResult;
l_RunErr += 4;
}
Marshal.FreeCoTaskMem(l_PtrRes);
Marshal.FreeCoTaskMem(l_PtrErr);
return(l_HResult == HResults.S_OK);
}