internal static IntPtr GetBrowseElements(BrowseElement[] input, bool propertiesRequested)
{
IntPtr intPtr = IntPtr.Zero;
if (input != null && input.Length > 0)
{
intPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(OPCBROWSEELEMENT)) * input.Length);
IntPtr ptr = intPtr;
for (int i = 0; i < input.Length; i++)
{
OPCBROWSEELEMENT browseElement = GetBrowseElement(input[i], propertiesRequested);
Marshal.StructureToPtr((object)browseElement, ptr, fDeleteOld: false);
ptr = (IntPtr)(ptr.ToInt64() + Marshal.SizeOf(typeof(OPCBROWSEELEMENT)));
}
}
return(intPtr);
}
internal static OPCBROWSEELEMENT GetBrowseElement(BrowseElement input, bool propertiesRequested)
{
OPCBROWSEELEMENT opcbrowseelement = new OPCBROWSEELEMENT();
if (input != null)
{
opcbrowseelement.szName = input.Name;
opcbrowseelement.szItemID = input.ItemName;
opcbrowseelement.dwFlagValue = 0;
opcbrowseelement.ItemProperties = GetItemProperties(input.Properties);
if (input.IsItem)
{
opcbrowseelement.dwFlagValue |= 2;
}
if (input.HasChildren)
{
opcbrowseelement.dwFlagValue |= 1;
}
}
return(opcbrowseelement);
}
internal static BrowseElement GetBrowseElement(IntPtr pInput, bool deallocate)
{
BrowseElement element = null;
if (pInput != IntPtr.Zero)
{
OPCBROWSEELEMENT opcbrowseelement = (OPCBROWSEELEMENT)Marshal.PtrToStructure(pInput, typeof(OPCBROWSEELEMENT));
element = new BrowseElement {
Name = opcbrowseelement.szName,
ItemPath = null,
ItemName = opcbrowseelement.szItemID,
IsItem = (opcbrowseelement.dwFlagValue & 2) != 0,
HasChildren = (opcbrowseelement.dwFlagValue & 1) != 0,
Properties = GetItemProperties(ref opcbrowseelement.ItemProperties, deallocate)
};
if (deallocate)
{
Marshal.DestroyStructure(pInput, typeof(OPCBROWSEELEMENT));
}
}
return(element);
}
internal static BrowseElement GetBrowseElement(IntPtr pInput, bool deallocate)
{
BrowseElement browseElement = null;
if (pInput != IntPtr.Zero)
{
OPCBROWSEELEMENT oPCBROWSEELEMENT = (OPCBROWSEELEMENT)Marshal.PtrToStructure(pInput, typeof(OPCBROWSEELEMENT));
browseElement = new BrowseElement();
browseElement.Name = oPCBROWSEELEMENT.szName;
browseElement.ItemPath = null;
browseElement.ItemName = oPCBROWSEELEMENT.szItemID;
browseElement.IsItem = ((oPCBROWSEELEMENT.dwFlagValue & 2) != 0);
browseElement.HasChildren = ((oPCBROWSEELEMENT.dwFlagValue & 1) != 0);
browseElement.Properties = GetItemProperties(ref oPCBROWSEELEMENT.ItemProperties, deallocate);
if (deallocate)
{
Marshal.DestroyStructure(pInput, typeof(OPCBROWSEELEMENT));
}
}
return(browseElement);
}
internal static OPCBROWSEELEMENT GetBrowseElement(BrowseElement input, bool propertiesRequested)
{
OPCBROWSEELEMENT result = default(OPCBROWSEELEMENT);
if (input != null)
{
result.szName = input.Name;
result.szItemID = input.ItemName;
result.dwFlagValue = 0;
result.ItemProperties = GetItemProperties(input.Properties);
if (input.IsItem)
{
result.dwFlagValue |= 2;
}
if (input.HasChildren)
{
result.dwFlagValue |= 1;
}
}
return(result);
}
