protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
CompositionViewModel formData = validationContext.ObjectInstance as CompositionViewModel;
if (formData == null)
{
return(ValidationResult.Success);
}
int minPitch = (int)formData.MinPitch;
int maxPitch = (int)formData.MaxPitch;
if (CompositionContext.IsPitchRangeValid(minPitch, maxPitch, out string errorMessage))
{
return(ValidationResult.Success);
}
else
{
return(new ValidationResult(errorMessage));
}
}