## Link to GitHub Issue or related Pull Request, if one exists #676 #452 ## Description of change When spice SDK or API sets or clears button and analog override, we don't tell MDXF about it, so it may fall behind. This is a special case for DDR MDXF I/O emulation. For Naive/Xinput I think we are getting lucky because they usually also generate WM_INPUT events. Update the C++ SDK sample to provide more interesting example of emulating DDR arrows with the keyboard. ## Testing