Win32APIを利用して、直接MIDIの音を鳴らせた! using System; using System.Collections.Generic; //using System.Linq; using System.Text; using System.Runtime.InteropServices; namespace MIDI { class Program { static void Main(string[] args) { IntPtr hMidi; midiOutOpen(out hMidi, -1, null, 0, CALLBACK.NULL).ToString(); midiOutShortMsg(hMidi, 0xc, 0, GMProgram.VoiceOohs, 40).ToString(); midiOutShortMsg(hMidi, 0x9, 0, 0x