[Help] pDevice

Hello,
iam making my frst d3d hack and i will add a crosshiar in it.
When i release it in microsoft visual c++ 2008 they i shows an error:
pDevice not defined.
How i can fix this error?

Should i include a header(what?)
or
Should i add a code(what?)

please help me.

I will credit you

IDirect3DDevice9 *pDevice = NULL;

You crash

and where i have to put this code in?

The same way you can use spell check to fix ur grammar.
In VC++ its called the error console. read what the error is and fix it.