public void Alloc()
{
MinExtents.Alloc();
internalStruct.minExtents = MinExtents.internalStruct;
MaxExtents.Alloc();
internalStruct.maxExtents = MaxExtents.internalStruct;
internalStructPtr = StructMarshal.StructToIntPtr(internalStruct);
}
public void Free()
{
MinExtents?.Free();
MinExtents = new Point3F(internalStruct.minExtents);
MaxExtents?.Free();
MaxExtents = new Point3F(internalStruct.maxExtents);
if (internalStructPtr != IntPtr.Zero)
{
StructMarshal.FreeStructPtr <InternalStruct>(internalStructPtr);
}
internalStructPtr = IntPtr.Zero;
}