SLDCDATA

typedef struct _SLDCDATA { ULONG      cb;                // length of control data in bytes USHORT     usScale1Increments;// number of divisions on scale 1 USHORT     usScale1Spacing;   // space in pixels between increments USHORT     usScale2Increments;// number of divisions on scale 2 USHORT     usScale2Spacing;   // space in pixels between increments } SLDCDATA, *PSLDCDATA;