The definition of the internal DirectX D3DDEVINFO_TEXTUREMANAGER object is as follows:

struct D3DDEVINFO_TEXTUREMANAGER {
BOOL bThrashing;
DWORD dwNumEvicts;
DWORD dwNumVidCreates;
DWORD dwNumTexturesUsed;
DWORD dwNumUsedTexInVid;
DWORD dwWorkingSet;
DWORD dwWorkingSetBytes;
DWORD dwTotalManaged;
DWORD dwTotalBytes;
DWORD dwLastPri;
} ;