internal static ItemProperty[] GetItemProperties(IntPtr ItemProperties, int ItemPropertyCount)
{
ItemProperty[] result = null;
if (ItemPropertyCount > 0 && ItemProperties != IntPtr.Zero)
{
result = new ItemProperty[ItemPropertyCount];
IntPtr pos = ItemProperties;
for (int i = 0; i < ItemPropertyCount; i++)
{
ItemProperty itemProperty = new ItemProperty();
OpcRcw.Da.OPCITEMPROPERTY property = (OpcRcw.Da.OPCITEMPROPERTY)Marshal.PtrToStructure(pos, typeof(OpcRcw.Da.OPCITEMPROPERTY));
itemProperty.PropertyId = (PropertiyId)property.dwPropertyID;
int ErrorId = property.hrErrorID;
itemProperty.Description = property.szDescription;
itemProperty.ItemId = property.szItemID;
itemProperty.DataType = Helper.GetType((VarEnum)property.vtDataType);
itemProperty.Value = ConvertValue(itemProperty.PropertyId, property.vValue);
result[i] = itemProperty;
pos = (IntPtr)(pos.ToInt32() + Marshal.SizeOf(typeof(OpcRcw.Da.OPCITEMPROPERTY)));
}
}
return(result);
}
/// <summary>
/// Allocates and marshals an arary of OPCITEMPROPERTY structures.
/// </summary>
internal static OpcRcw.Da.OPCITEMPROPERTY GetItemProperty(ItemProperty input)
{
OpcRcw.Da.OPCITEMPROPERTY output = new OpcRcw.Da.OPCITEMPROPERTY();
if (input != null)
{
output.dwPropertyID = input.Id;
output.szDescription = input.Description;
output.vtDataType = input.DataType;
output.vValue = ComUtils.GetVARIANT(input.Value);
output.wReserved = 0;
output.hrErrorID = input.ErrorId;
}
return output;
}
