■ MIDI 출력 장치를 설정하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Runtime.InteropServices; using System.Threading; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// MIDI 출력 디바이스 리스트 /// </summary> private IList<MIDIOutputDevice> midiOutputDeviceList; /// <summary> /// 디폴트 ID /// </summary> private int defaultID = -2; // MIDI Mapper는 장치 ID로 -1을 갖고 다른 모든 장치들은 0 이상이다. /// <summary> /// 새로운 ID /// </summary> private int newID = -2; /// <summary> /// 쓰기 모드 여부 /// </summary> private bool isWriteMode = false; /// <summary> /// 쓰기 결과 여부 /// </summary> private bool isWriteResult = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region MIDI 출력 장치 리스트 - MIDIOutputDeviceList /// <summary> /// MIDI 출력 장치 리스트 /// </summary> public IList<MIDIOutputDevice> MIDIOutputDeviceList { get { if(this.midiOutputDeviceList == null || this.midiOutputDeviceList.Count == 0) { LoadList(); } return this.midiOutputDeviceList; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Load += new EventHandler(Form_Load); this.listView.SelectedIndexChanged += new EventHandler(listView_SelectedIndexChanged); this.selectButton.Click += new EventHandler(selectButton_Click); this.backgroundWorker.DoWork += new DoWorkEventHandler(backgroundWorker_DoWork); this.backgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker_RunWorkerCompleted); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.backgroundWorker.RunWorkerAsync(); } #endregion #region 출력 장치 리스트뷰 선택 인덱스 변경시 처리하기 - listView_SelectedIndexChanged(sender, e) /// <summary> /// 출력 장치 리스트뷰 선택 인덱스 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> void listView_SelectedIndexChanged(object sender, EventArgs e) { if(this.listView.SelectedItems.Count == 1) { this.selectButton.Enabled = ((MIDIOutputDevice)this.listView.SelectedItems[0].Tag).ID != this.defaultID; } else { this.selectButton.Enabled = false; } } #endregion #region 선택 버튼 클릭시 처리하기 - selectButton_Click(sender, e) /// <summary> /// 선택 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> void selectButton_Click(object sender, EventArgs e) { this.isWriteResult = false; this.selectButton.Enabled = false; this.midiOutputDeviceLabel.Enabled = false; this.listView.Enabled = false; this.statusLabel.Text = "레지스트리 작성중... 기다려 주시기 바랍니다."; this.statusLabel.Visible = true; this.newID = ((MIDIOutputDevice)this.listView.SelectedItems[0].Tag).ID; this.isWriteMode = true; this.backgroundWorker.RunWorkerAsync(); } #endregion #region 백그라운드 작업자 작업시 처리하기 - backgroundWorker_DoWork(sender, e) /// <summary> /// 백그라운드 작업자 작업시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> void backgroundWorker_DoWork(object sender, DoWorkEventArgs e) { if(this.isWriteMode) { try { MIDIOutputDevice.DefaultDeviceID = this.newID; this.isWriteResult = true; } catch { this.isWriteResult = false; } } else { LoadList(); this.defaultID = MIDIOutputDevice.DefaultDeviceID; } } #endregion #region 백그라운드 작업자 작업 종료시 처리하기 - backgroundWorker_RunWorkerCompleted(sender, e) /// <summary> /// 백그라운드 작업자 작업 종료시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> void backgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) { if(this.isWriteMode) { if(this.isWriteResult) { this.statusLabel.Text = "디폴트 MIDI 출력 장치 업데이트가 성공했습니다."; this.statusLabel.Update(); Thread.Sleep(1000); this.defaultID = this.newID; this.midiOutputDeviceLabel.Enabled = true; this.listView.Enabled = true; this.listView.Focus(); this.statusLabel.Visible = false; } else { MessageBox.Show ( this, "레지스트리 업데이트 중 에러가 발생했습니다.", "레지스트리 에러", MessageBoxButtons.OK, MessageBoxIcon.Error ); this.midiOutputDeviceLabel.Enabled = true; this.listView.Enabled = true; this.listView.Focus(); this.selectButton.Enabled = true; this.statusLabel.Visible = false; } } else { int itemCount = 0; foreach(MIDIOutputDevice midiOutputDevice in this.midiOutputDeviceList) { ListViewItem listViewItem = new ListViewItem(midiOutputDevice.ProductName); listViewItem.Tag = midiOutputDevice; listViewItem.SubItems.Add(new ListViewItem.ListViewSubItem(listViewItem, midiOutputDevice.ID.ToString())); this.listView.Items.Add(listViewItem); this.listView.Items[itemCount].Selected = (midiOutputDevice.ID == this.defaultID); this.listView.Items[itemCount].Focused = true; itemCount++; } this.midiOutputDeviceLabel.Enabled = true; this.listView.Enabled = true; this.listView.Focus(); this.statusLabel.Visible = false; } } #endregion //////////////////////////////////////////////////////////////////////////////// 기능 #region 리스트 로드하기 - LoadList() /// <summary> /// 리스트 로드하기 /// </summary> private void LoadList() { this.midiOutputDeviceList = null; List<MIDIOutputDevice> midiOutputDeviceList = new List<MIDIOutputDevice>(); int midiOutputDeviceCount = Convert.ToInt32(WIN32API.midiOutGetNumDevs()); if(midiOutputDeviceCount > 0) { for(int i = 0; i < midiOutputDeviceCount; i++) { MIDIOUTCAPS midioutcaps = new MIDIOUTCAPS(); if(WIN32API.midiOutGetDevCaps(i, ref midioutcaps, (uint)Marshal.SizeOf(midioutcaps)) == WIN32API.MMSYSERR_NOERROR) { midiOutputDeviceList.Add(new MIDIOutputDevice(i, midioutcaps)); } } } this.midiOutputDeviceList = midiOutputDeviceList.AsReadOnly(); } #endregion } } |
▶ MIDIOUTCAPS.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// MIDI 출력 성능 /// </summary> [StructLayout(LayoutKind.Sequential)] public struct MIDIOUTCAPS { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 제조사 ID /// </summary> public UInt16 ManufacturerID; /// <summary> /// 제품 ID /// </summary> public UInt16 ProductID; /// <summary> /// 드라이버 버전 /// </summary> public UInt32 DriverVersion; /// <summary> /// 제품명 /// </summary> [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string ProductName; /// <summary> /// 디바이스 타입 /// </summary> public UInt16 DeviceType; /// <summary> /// 보이스 수 /// </summary> public UInt16 VoiceCount; // 내부 신세사이저 장치가 지원하는 음성 수, 장치가 포트인 경우 0으로 설정됨 /// <summary> /// 동시 노트 최대 수 /// </summary> public UInt16 SimultaneousNoteMaximunCount; /// <summary> /// 채널 마스크 /// </summary> public UInt16 ChannelMask; /// <summary> /// 부가 기능 /// </summary> public UInt32 OptionalFunction; #endregion } } |
▶ MIDIOutputDevice.cs
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using Microsoft.Win32; using System.Security.AccessControl; namespace TestProject { /// <summary> /// MIDO 출력 장치 /// </summary> public class MIDIOutputDevice { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Constant //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 디폴트 MIDI 출력 디바이스 키 /// </summary> private const string DEFAULT_MIDI_OUTPUT_DEVICE_KEY = @"Software\Microsoft\ActiveMovie\devenum\{4EFE2452-168A-11D1-BC76-00C04FB9453B}\Default MidiOut Device"; /// <summary> /// MIDI 출력 디바이스 ID 명칭 /// </summary> private const string MIDI_OUTPUT_DEVICE_ID_NAME = "MidiOutId"; #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// ID /// </summary> private int id; /// <summary> /// MIDI 출력 성능 /// </summary> private MIDIOUTCAPS midioutcaps; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 디폴트 장치 ID - DefaultDeviceID /// <summary> /// 디폴트 장치 ID /// </summary> public static int DefaultDeviceID { get { RegistryKey registryKey = null; try { registryKey = Registry.CurrentUser.OpenSubKey(DEFAULT_MIDI_OUTPUT_DEVICE_KEY); return (int)registryKey.GetValue(MIDI_OUTPUT_DEVICE_ID_NAME); } catch { return -2; } finally { if(registryKey != null) { registryKey.Close(); } } } set { RegistryKey registryKey = null; try { registryKey = Registry.CurrentUser.OpenSubKey ( DEFAULT_MIDI_OUTPUT_DEVICE_KEY, RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.SetValue ); registryKey.SetValue(MIDI_OUTPUT_DEVICE_ID_NAME, value); } finally { if(registryKey != null) { registryKey.Close(); } } } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region ID - ID /// <summary> /// ID /// </summary> public int ID { get { return this.id; } } #endregion #region 제품명 - ProductName /// <summary> /// 제품명 /// </summary> public string ProductName { get { return this.midioutcaps.ProductName; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MIDIOutputDevice(id, midioutcaps) /// <summary> /// 생성자 /// </summary> /// <param name="id">ID</param> /// <param name="midioutcaps">MIDI 출력 성능</param> public MIDIOutputDevice(int id, MIDIOUTCAPS midioutcaps) { this.id = id; this.midioutcaps = midioutcaps; } #endregion } } |
▶ WIN32API.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// WIN32 API /// </summary> public class WIN32API { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Constant //////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// MAXPNAMELEN /// </summary> public const int MAXPNAMELEN = 32; /// <summary> /// MMSYSERR_BASE /// </summary> public const uint MMSYSERR_BASE = 0; /// <summary> /// MMSYSERR_NOERROR /// </summary> public const uint MMSYSERR_NOERROR = MMSYSERR_BASE; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MIDI 출력 장치 수 구하기 - midiOutGetNumDevs() /// <summary> /// MIDI 출력 장치 수 구하기 /// </summary> /// <returns>MIDI 출력 장치 수 구하기</returns> [DllImport("winmm.dll")] public static extern UInt32 midiOutGetNumDevs(); #endregion #region MIDI 출력 장치 성능 구하기 - midiOutGetDevCaps(deviceID, midioutcaps, midioutcapsSize) /// <summary> /// MIDI 출력 장치 성능 구하기 /// </summary> /// <param name="deviceID">장치 ID</param> /// <param name="midioutcaps">MIDIOUTCAPS</param> /// <param name="midioutcapsSize">MIDIOUTCAPS 크기</param> /// <returns>처리 결과</returns> [DllImport("winmm.dll")] public static extern UInt32 midiOutGetDevCaps(int deviceID, ref MIDIOUTCAPS midioutcaps, uint midioutcapsSize); #endregion } } |
