public static IntPtr MarshalManagedToNative(ArrayDescMarshal arrayDesc, ArrayBoundMarshal[] arrayBounds)
{
int size = ArrayDescMarshal.ComputeLength(arrayBounds.Length);
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(arrayDesc, ptr, true);
for (int i = 0; i < arrayBounds.Length; i++)
{
Marshal.StructureToPtr(arrayBounds[i], ptr + ArrayDescMarshal.ComputeLength(i), true);
}
return(ptr);
}
public static void CleanUpNativeData(ref IntPtr pNativeData)
{
if (pNativeData != IntPtr.Zero)
{
Marshal.DestroyStructure <ArrayDescMarshal>(pNativeData);
for (var i = 0; i < 16; i++)
{
Marshal.DestroyStructure <ArrayBoundMarshal>(pNativeData + ArrayDescMarshal.ComputeLength(i));
}
Marshal.FreeHGlobal(pNativeData);
pNativeData = IntPtr.Zero;
}
}
public static void CleanUpNativeData(ref IntPtr pNativeData)
{
if (pNativeData != IntPtr.Zero)
{
// Destroy ArrayDescMarshal structure
Marshal2.DestroyStructure <ArrayDescMarshal>(pNativeData);
// Destroy ArrayBound structures
for (int i = 0; i < 16; i++)
{
Marshal2.DestroyStructure <ArrayBoundMarshal>(pNativeData + ArrayDescMarshal.ComputeLength(i));
}
// Free pointer memory
Marshal.FreeHGlobal(pNativeData);
pNativeData = IntPtr.Zero;
}
}
public static IntPtr MarshalManagedToNative(ArrayDesc descriptor)
{
ArrayDescMarshal arrayDesc = new ArrayDescMarshal();
arrayDesc.DataType = descriptor.DataType;
arrayDesc.Scale = (byte)descriptor.Scale;
arrayDesc.Length = descriptor.Length;
arrayDesc.FieldName = descriptor.FieldName;
arrayDesc.RelationName = descriptor.RelationName;
arrayDesc.Dimensions = descriptor.Dimensions;
arrayDesc.Flags = descriptor.Flags;
ArrayBoundMarshal[] arrayBounds = new ArrayBoundMarshal[descriptor.Bounds.Length];
for (int i = 0; i < descriptor.Dimensions; i++)
{
arrayBounds[i].LowerBound = (short)descriptor.Bounds[i].LowerBound;
arrayBounds[i].UpperBound = (short)descriptor.Bounds[i].UpperBound;
}
return(MarshalManagedToNative(arrayDesc, arrayBounds));
}