SPBCDATA
From EDM2
typedef struct _SPBCDATA { ULONG cb; // length of control data in bytes ULONG ulTextLimit; // entryfield text limit LONG lLowerLimit; // spin lower limit (numeric only) LONG lUpperLimit; // spin upper limit (numeric only) ULONG idMasterSpb; // id of the servant's master spinbutton PVOID pHWXCtlData; // reserved } SPBCDATA, *PSPBCDATA;