MIM_OPEN message
The MIM_OPEN message is sent to a MIDI input callback function when a MIDI input device is opened.
MIM_OPEN
dwParam1 = reserved
dwParam2 = reserved
Parameters
-
dwParam1
-
Reserved; do not use.
-
dwParam2
-
Reserved; do not use.
Return Value
This message does not return a value.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|