void SetInt(UnsafeNativeMethods.DisplayAttributesInt which, int i)
        {
            IntPtr ptr_this = NonConstPointer();

            UnsafeNativeMethods.CDisplayPipelineAttributes_GetSetInt(ptr_this, which, true, i);
        }
        int GetInt(UnsafeNativeMethods.DisplayAttributesInt which)
        {
            IntPtr const_ptr_this = ConstPointer();

            return(UnsafeNativeMethods.CDisplayPipelineAttributes_GetSetInt(const_ptr_this, which, false, 0));
        }