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PortMidi.Poll

Tests whether input is available.

Component Version macOS Windows Linux Server iOS SDK
PortMidi 4.2 ✅ Yes ✅ Yes ❌ No ❌ No ❌ No
MBS( "PortMidi.Poll"; StreamRef )   More

Parameters

Parameter Description Example
StreamRef The reference to the midi stream. You create those with PortMidi.OpenInput or PortMidi.OpenOutput and finally close them with PortMidi.Close. $stream

Result

Returns 1, 0 or error.

Description

Tests whether input is available.
Returns 1 if data is available and zero if not.

See also

Example Databases

This function checks for a license.

Created 18th August 2014, last changed 18th August 2014


PortMidi.OpenOutput - PortMidi.ReadMessage