HandleChangeScalarValue
Tells the slider control the scalar value is changing.
Declaration
virtual kern_return_t HandleChangeScalarValue(float in_scalar_value);Parameters
- in_scalar_value:
The new scalar value to set.
Return Value
kIOReturnSuccess on success, or another value if an error occurs. For a list of error codes, see Error Codes.
Discussion
The default implementation calls SetScalarValue and returns kIOReturnSuccess. Subclass and override this method to handle changes to the stream format and return kIOReturnSuccess upon success.