Set the value of a selected parameter.
int setFindSurfaceParamFloat(
[in] FIND_SURFACE_CONTEXT context,
[in] FS_PARAMS pname,
[in] float param
);
int setFindSurfaceParamInt(
[in] FIND_SURFACE_CONTEXT context,
[in] FS_PARAMS pname,
[in] int param
);
If the function succeeds, the return value is FS_NO_ERROR. If the function fails, the return value can be one of the following: FS_INVALID_ENUM, FS_INVALID_VALUE.
You can find more information about parameter here.