ReleaseKnobe

# ReleaseKnob

Releases a knob grabbed with GrabKnob().

### Synopsis

`Err ReleaseKnob (Item KnobItem)`

### Description

This function deletes the Knob item created by `GrabKnob()`, freeing its resource and disconnecting the task that created the Knob item from the instrument containing the Knob.

### Arguments

KnobItem
  Item number of knob.

### Return Value

The function returns a non-negative value if successful or an error code (a negative value) if an error occurs.

### Implementation

Library call implemented in audio.lib V20.

### Associated Files

audio.h

### See Also

``GrabKnob`()`