internal static ItemPropertyCollection[] GetItemPropertyCollections(ref IntPtr pInput, int count, bool deallocate)
{
ItemPropertyCollection[] propertysArray = null;
if ((pInput != IntPtr.Zero) && (count > 0))
{
propertysArray = new ItemPropertyCollection[count];
IntPtr ptr = pInput;
for (int i = 0; i < count; i++)
{
OPCITEMPROPERTIES input = (OPCITEMPROPERTIES)Marshal.PtrToStructure(ptr, typeof(OPCITEMPROPERTIES));
propertysArray[i] = new ItemPropertyCollection();
propertysArray[i].ItemPath = null;
propertysArray[i].ItemName = null;
propertysArray[i].ResultID = OpcCom.Interop.GetResultID(input.hrErrorID);
ItemProperty[] itemProperties = GetItemProperties(ref input, deallocate);
if (itemProperties != null)
{
propertysArray[i].AddRange(itemProperties);
}
if (deallocate)
{
Marshal.DestroyStructure(ptr, typeof(OPCITEMPROPERTIES));
}
ptr = (IntPtr)(ptr.ToInt32() + Marshal.SizeOf(typeof(OPCITEMPROPERTIES)));
}
if (deallocate)
{
Marshal.FreeCoTaskMem(pInput);
pInput = IntPtr.Zero;
}
}
return(propertysArray);
}
internal static OPCITEMPROPERTIES GetItemProperties(ItemProperty[] input)
{
OPCITEMPROPERTIES opcitemproperties = new OPCITEMPROPERTIES();
if ((input != null) && (input.Length > 0))
{
opcitemproperties.hrErrorID = 0;
opcitemproperties.dwReserved = 0;
opcitemproperties.dwNumProperties = input.Length;
opcitemproperties.pItemProperties = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(OPCITEMPROPERTY)) * input.Length);
bool flag = false;
IntPtr pItemProperties = opcitemproperties.pItemProperties;
for (int i = 0; i < input.Length; i++)
{
Marshal.StructureToPtr(GetItemProperty(input[i]), pItemProperties, false);
pItemProperties = (IntPtr)(pItemProperties.ToInt32() + Marshal.SizeOf(typeof(OPCITEMPROPERTY)));
if (input[i].ResultID.Failed())
{
flag = true;
}
}
if (flag)
{
opcitemproperties.hrErrorID = 1;
}
}
return(opcitemproperties);
}
internal static OPCITEMPROPERTIES GetItemProperties(ItemProperty[] input)
{
OPCITEMPROPERTIES result = default(OPCITEMPROPERTIES);
if (input != null && input.Length > 0)
{
result.hrErrorID = 0;
result.dwReserved = 0;
result.dwNumProperties = input.Length;
result.pItemProperties = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(OPCITEMPROPERTY)) * input.Length);
bool flag = false;
IntPtr ptr = result.pItemProperties;
for (int i = 0; i < input.Length; i++)
{
OPCITEMPROPERTY itemProperty = GetItemProperty(input[i]);
Marshal.StructureToPtr((object)itemProperty, ptr, fDeleteOld: false);
ptr = (IntPtr)(ptr.ToInt64() + Marshal.SizeOf(typeof(OPCITEMPROPERTY)));
if (input[i].ResultID.Failed())
{
flag = true;
}
}
if (flag)
{
result.hrErrorID = 1;
}
}
return(result);
}
internal static ItemProperty[] GetItemProperties(ref OPCITEMPROPERTIES input, bool deallocate)
{
ItemProperty[] array = null;
if (input.dwNumProperties > 0)
{
array = new ItemProperty[input.dwNumProperties];
IntPtr pInput = input.pItemProperties;
for (int i = 0; i < array.Length; i++)
{
try
{
array[i] = GetItemProperty(pInput, deallocate);
}
catch (Exception ex)
{
array[i] = new ItemProperty();
array[i].Description = ex.Message;
array[i].ResultID = ResultID.E_FAIL;
}
pInput = (IntPtr)(pInput.ToInt64() + Marshal.SizeOf(typeof(OPCITEMPROPERTY)));
}
if (deallocate)
{
Marshal.FreeCoTaskMem(input.pItemProperties);
input.pItemProperties = IntPtr.Zero;
}
}
return(array);
}
private static OpcDaItemProperties ReadItemProperties(ref OPCITEMPROPERTIES itemProperties)
{
var result = new OpcDaItemProperties
{
ErrorId = itemProperties.hrErrorID,
Properties = ReadItemProperties(ref itemProperties.pItemProperties, itemProperties.dwNumProperties)
};
return(result);
}
internal static ItemProperty[] GetItemProperties(ref OPCITEMPROPERTIES input, bool deallocate)
{
ItemProperty[] propertyArray = null;
if (input.dwNumProperties > 0)
{
propertyArray = new ItemProperty[input.dwNumProperties];
IntPtr pItemProperties = input.pItemProperties;
for (int i = 0; i < propertyArray.Length; i++)
{
propertyArray[i] = GetItemProperty(pItemProperties, deallocate);
pItemProperties = (IntPtr)(pItemProperties.ToInt32() + Marshal.SizeOf(typeof(OPCITEMPROPERTY)));
}
if (deallocate)
{
Marshal.FreeCoTaskMem(input.pItemProperties);
input.pItemProperties = IntPtr.Zero;
}
}
return(propertyArray);
}
internal static IntPtr GetItemPropertyCollections(ItemPropertyCollection[] input)
{
IntPtr zero = IntPtr.Zero;
if ((input != null) && (input.Length > 0))
{
zero = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(OPCITEMPROPERTIES)) * input.Length);
IntPtr ptr = zero;
for (int i = 0; i < input.Length; i++)
{
OPCITEMPROPERTIES structure = new OPCITEMPROPERTIES();
if (input[i].Count > 0)
{
structure = GetItemProperties((ItemProperty[])input[i].ToArray(typeof(ItemProperty)));
}
structure.hrErrorID = OpcCom.Interop.GetResultID(input[i].ResultID);
Marshal.StructureToPtr(structure, ptr, false);
ptr = (IntPtr)(ptr.ToInt32() + Marshal.SizeOf(typeof(OPCITEMPROPERTIES)));
}
}
return(zero);
}
internal static IntPtr GetItemPropertyCollections(ItemPropertyCollection[] input)
{
IntPtr intPtr = IntPtr.Zero;
if (input != null && input.Length > 0)
{
intPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(OPCITEMPROPERTIES)) * input.Length);
IntPtr ptr = intPtr;
for (int i = 0; i < input.Length; i++)
{
OPCITEMPROPERTIES oPCITEMPROPERTIES = default(OPCITEMPROPERTIES);
if (input[i].Count > 0)
{
oPCITEMPROPERTIES = GetItemProperties((ItemProperty[])input[i].ToArray(typeof(ItemProperty)));
}
oPCITEMPROPERTIES.hrErrorID = OpcCom.Interop.GetResultID(input[i].ResultID);
Marshal.StructureToPtr((object)oPCITEMPROPERTIES, ptr, fDeleteOld: false);
ptr = (IntPtr)(ptr.ToInt64() + Marshal.SizeOf(typeof(OPCITEMPROPERTIES)));
}
}
return(intPtr);
}
