MIDIQueryVersion - Parameters

pulVersion (PULONG) - output

The lower 16 bits indicate the device driver version number and the upper 16 bits indicate the DLL version number. The 16 bits are layed out in this format:

  2 bits   4 bits   4 bits   2 bits   4 bits
┌────────┬────────┬────────┬────────┬────────┐
│        │        │        │        │        │
│ Major  │ Minor  │  Bug   │ Phase  │ Build  │
│        │        │ Fix #  │        │   #    │
│        │        │        │        │        │
└────────┴────────┴────────┴────────┴────────┘

Phase is one of the following:

• Development (00)
  
• Beta (01)
  
• Alpha (10)
  
• GA (11)

rc (ULONG) - returns

Returns 0 if the command is completed successfully.

MIDIERR_INVALID_PARAMETER

The pulVersion pointer is invalid.
MIDIERR_INTERNAL_SYSTEM
System problem.
MIDIERR_NO_DRIVER
No device driver.

---

[Back: MIDIQueryVersion Return Value - rc]
[Next: MIDIQueryVersion - Remarks]