This patch updates the project files for Visual Studio 2005 sp1 to support building for 3ds Max 2009. You will also need to set an environment variable before building, something like:
set MAX_PATH9=C:\program files\autodesk\3ds max 9 sdk
set MAX_PATH2008=C:\program files\autodesk\3ds max 2008 sdk
set MAX_PATH2009=C:\program files\autodesk\3ds max 2009 sdk
project and solution file patch for 2009
The max 2009 binaries are now ready for download.