The fsVarsIVarGet function can be used to get the value of a specific IVar.

 

Syntax
FsVarError fsVarsIVarGet(
    FsLVarId iVarId,
    FsUnitId unitId,
    double* result,
    FsObjectId target
);

 

Parameters
ParametersDescription
iVarId

The ID of an IVar (found using fsVarsGetIVarId or fsVarsRegisterIVar).

unitIdThe ID of a unit (found using fsVarsGetUnitId).
resultThe variable that will receive the value of the IVar if the other parameters are correct.
target

The ID of the object from which the variable is being retrieved.

 

Return Values

The function returns FsVarError, where 0 means there is no error (in which case, the value of the IVar has been set in result).

 

Example
FsUnitId unitId = fsVarsGetUnitId("DEGREES");
FsIVarId iVarId = fsVarsRegisterIVar("Toto", "LIGHTING");
double result = 0;
if (fsVarsIVarGet(iVarId, unitId, &result) == FS_VAR_ERROR_NONE)
{
    // valid
}
else
{
    // error
}