how to fix this???

[sweet elm]

When your question is answered use !solved to mark the question as resolved.

Remember to ask specific questions, provide necessary details, and reduce your question to its simplest form. For tips on how to ask a good question use !howto ask.

[earnest thicket]

you don't even respond in the other questions you've already opened

and also, you should probably read the rules

[lost mirage]

If you're on Visual Studio, add $(DXSDK_DIR) to your include directories