kHIDUsage_Csmr_ALPreviousTaskOrApplication

objc2_io_kit

Constant kHIDUsage_Csmr_ALPreviousTaskOrApplication 

Source 
pub const kHIDUsage_Csmr_ALPreviousTaskOrApplication: c_uint = 0x1A4;
Available on crate feature hid only.
Expand description

Apple’s documentation