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'-----------------------------------------------------------------------------
'  イベント プロシージャ
'-----------------------------------------------------------------------------
' このファイルには、ウィンドウ [MainWnd] に関するイベントをコーディングします。
' ウィンドウ ハンドル: hMainWnd

' TODO: この位置にグローバルな変数、構造体、定数、関数を定義します。
'外部関数使用宣言
Declare Function CharNext Lib "user32" Alias "CharNextA" (lpsz As BytePtr) As BytePtr

#include <api_mmsysPro4.sbp>
'
'各種定数・構造体宣言
Type COMBOBOXEXITEM
	mask As DWord
	iItem As Long
	pszText As BytePtr
	cchTextMax As Long
	iImage As Long
	iSelectedImage As Long
	iOverlay As Long
	iIndent As Long
	lParam As DWord
End Type

Const CBEIF_TEXT=&H1
Const CBEIF_IMAGE=&H2
Const CBEIF_SELECTEDIMAGE=&H4
Const CBEM_INSERTITEM=(WM_USER+1)
Const CBEM_SETIMAGELIST=(WM_USER+2)
Const SEM_FAILCRITICALERRORS=&H1

'グローバル変数宣言
	Dim SoftNameVer As String					'ソフト名とバージョン
	Dim MIDIPath[MAX_PATH] As Byte				'MIDIファイルのパス
	Dim MIDIFolder[MAX_PATH] As Byte			'MIDIファイルが入ったフォルダ
	Dim MIDIFileName[256] As Byte				'MIDIファイルの名前
	Dim lpExt[10] As Byte						'MIDIファイルの拡張子
	Dim mop As MCI_OPEN_PARMS					'MCI_OPEN_PARMS構造体
	Dim IsPlayOrRecord As Long					'再生中か録音中かを識別するためのフラグ
	Dim OsVerInfo As OSVERSIONINFO				'OSの情報を格納する為の構造体
	Dim MIDILong As Double
	Dim MIDIM As Long, MIDIS As Long

	'ここから録音デバイスの変数
	Dim Play_Flag As DWord
	Dim Record_Flag As DWord
	Dim Stop_Flag As DWord

	Const NumOfBuffers = 5			'バッファ数
	Const BufferLength = 100*1024	'バッファ長

	Dim hWaveIn As HWAVEIN
	Dim hWaveOut As HWAVEOUT
	Dim WaveHdr[ELM(NumOfBuffers)] As WAVEHDR
	Dim WaveOutFormatEx As WAVEFORMATEX
	Dim WaveInFormatEx As WAVEFORMATEX

	Dim hMmio As HMMIO
	Dim MmioInfo As MMIOINFO
	Dim MmioCkInfo As MMCKINFO
	Dim MmioCkInfoSub As MMCKINFO

	Dim WaveData[ELM(NumOfBuffers)] As *Byte

	Dim WaveInCaps As WAVEINCAPS
	'ここまで

	Dim hCombo As DWord					'コンボボックスのハンドル
	Dim citem As COMBOBOXEXITEM			'コンボボックス内容追加のための構造体
'ここまで

'グローバル変数初期化
	SoftNameVer="MIDI Encorder v1.0.0.0"
	FillMemory(MIDIPath, MAX_PATH, 0)
	FillMemory(VarPtr(mop), Len(mop), 0)
	FillMemory(VarPtr(OsVerInfo), Len(OsVerInfo), 0)
	IsPlayOrRecord=0
'ここまで


'MIDIファイルを再生するためにMCIをオープンするための自作関数
Function OpenMciDevice(FileName As BytePtr) As Long
	Dim bErr As DWord
	Dim dwError As DWord
	Dim buffer[255] As Byte				'MCIエラーを格納する変数

	'メッセージ通知のためのウィンドウを指定
    mop.dwCallback=hMainWnd
	'OsVerInfo.dwOSVersionInfoSizeのサイズを指定
	OsVerInfo.dwOSVersionInfoSize=Len(OsVerInfo)
	'OSのバージョンを取得
	GetVersionEx(OsVerInfo)

    'もしOSがWin2KかWinXPでファイルがMIDIならMPEGVideoデバイスを指定
	If (OsVerInfo.dwPlatformId=VER_PLATFORM_WIN32_NT and Right$(FileName, 3)="mid") or _
		 (OsVerInfo.dwPlatformId=VER_PLATFORM_WIN32_NT and Right$(FileName, 4)="midi") Then
		If OsVerInfo.dwMinorVersion=0 or OsVerInfo.dwMinorVersion=1 Then
			mop.lpstrDeviceType="MPEGVideo"
			mop.lpstrElementName=FileName
			bErr=mciSendCommand(0, MCI_OPEN, MCI_OPEN_ELEMENT or MCI_OPEN_TYPE, mop)
			If bErr Then
				mciGetErrorString(dwError, buffer, 255)
				MessageBox(hMainWnd, buffer, "Error - " + SoftNameVer, MB_OK or MB_ICONERROR)
				OpenMciDevice=0
				CloseMciDevice()
				Exit Sub
			End If
		End If
    Else
		mop.lpstrElementName=FileName
		bErr=mciSendCommand(0, MCI_OPEN, MCI_OPEN_ELEMENT, mop)
		If bErr Then
			mciGetErrorString(dwError, buffer, 255)
			MessageBox(hMainWnd, buffer, "Error - " + SoftNameVer, MB_OK or MB_ICONERROR)
			OpenMciDevice=0
			CloseMciDevice()
			Exit Sub
		End If
	End If
	OpenMciDevice=1
End Function


'MCIデバイスをクローズするための関数
Sub CloseMciDevice()
	Dim dwDummy As DWord
	mciSendCommand(mop.wDeviceID, MCI_CLOSE, MCI_WAIT, dwDummy)
	mop.wDeviceID=0
End Sub


'フルパスを分解する関数
Sub SpritName(lpszPath As BytePtr, lpszName As BytePtr, lpszExt As BytePtr) As Long
    Dim lpszPtr As BytePtr
    Dim chr As Byte
    Dim length As Long

    lpszPtr = lpszPath
    lstrcpy(lpszName, lpszPath)

    While lpszPtr <> Ex"\0"
        '先頭が２バイト文字のときはスキップ
        If IsDBCSLeadByte(lpszPtr[0]) = 0 Then
        chr = Asc(lpszPtr) '先頭の文字を判別する
        '[\(&H5C)][/(&H2F)]を見つけたら現在地+1のポインタ以降を保存
             If ((chr = &H5C) or (chr = &H2F)) Then
                 lstrcpy(lpszName,lpszPtr + 1)
             End If
            '[.(&H2E)]を見つけたら現在地のポインタ+1以降を保存
            If (chr = &H2E) Then
                lstrcpy(lpszExt, lpszPtr+1)
            End If
        End If
        '次の文字へポインタを進める
        lpszPtr = CharNext(lpszPtr)
        '戻り値の設定
    Wend

    'フルパス名のファイル名部分を削除
    length = lstrlen(lpszPath) - lstrlen(lpszName)
    lpszPath[length] = 0

    'ファイル名の拡張子部分を削除
    If lstrlen(lpszExt) Then
        length = lstrlen(lpszName) - lstrlen(lpszExt) - 1
        lpszName[length] = 0
    End If
End Sub

'-----------------------------------------------------------------------------
' ウィンドウメッセージを処理するためのコールバック関数

Function MainWndProc(hWnd As HWND, dwMsg As DWord, wParam As WPARAM, lParam As LPARAM) As DWord
	' TODO: この位置にウィンドウメッセージを処理するためのコードを記述します。
	Dim cnt As Long
    Dim ret As Long
    Dim pwh As *WAVEHDR
	Select Case dwMsg
        Case MM_WOM_OPEN /******WAVE出力デバイスが開かれた時に呼ばれる******/

            /******dataチャンクにアクセス******/
            MmioCkInfoSub.ckid = mmioStringToFOURCC("data",0)
            mmioDescend(hMmio,MmioCkInfoSub,MmioCkInfo,MMIO_FINDCHUNK)
            For cnt=0 To NumOfBuffers-1
                ret = mmioRead(hMmio,WaveData[cnt],BufferLength)
                If ret = 0 or ret = -1 Then
                    WaveHdr[cnt].dwBufferLength = 0
                    WaveHdr[cnt].dwUser = TRUE
                Else
                    WaveHdr[cnt].dwBufferLength = ret
                    WaveHdr[cnt].dwUser = FALSE
                End If
                waveOutPrepareHeader(hWaveOut,WaveHdr[cnt],SizeOf(WAVEHDR))
            Next
            For cnt=0 To NumOfBuffers-1
                waveOutWrite(hWaveOut,WaveHdr[cnt],SizeOf(WAVEHDR))
            Next
        Case MM_WOM_CLOSE /******WAVE出力デバイスが閉じられる時に呼ばれる******/
            For cnt=0 To NumOfBuffers-1
                waveOutUnprepareHeader(hWaveOut,WaveHdr[cnt],SizeOf(WAVEHDR))
            Next
            Play_Flag = FALSE
        Case MM_WOM_DONE /******WAVE出力デバイスのバッファの再生終了時に呼ばれる******/
            pwh=lParam
            If pwh->dwUser = TRUE or Stop_Flag = TRUE Then
                mmioAscend(hMmio,MmioCkInfoSub,0)
                mmioClose(hMmio,0)
                waveOutClose(hWaveOut)
                Stop_Flag = FALSE
            Else
                /******dataデータを読み込み******/
                FillMemory(pwh->lpData,BufferLength,127)
                ret = mmioRead(hMmio,pwh->lpData,BufferLength)
                If ret = 0 or ret = -1 Then
                    pwh->dwUser = TRUE
                    pwh->dwBufferLength = 0
                Else
                    pwh->dwUser = FALSE
                    pwh->dwBufferLength = ret
                End If
                waveOutWrite(hWaveOut,ByVal pwh,SizeOf(WAVEHDR))
            End If
        Case MM_WIM_OPEN /******WAVE入力デバイスが開かれた時に呼ばれる******/

            /******dataチャンクを作成******/
            MmioCkInfoSub.ckid = mmioStringToFOURCC("data",0)
            mmioCreateChunk(hMmio,MmioCkInfoSub,0)
            For cnt=0 To NumOfBuffers-1
                WaveHdr[cnt].dwUser = FALSE
                WaveHdr[cnt].dwBufferLength = BufferLength
                waveInPrepareHeader(hWaveIn,WaveHdr[cnt],SizeOf(WAVEHDR))
                waveInAddBuffer(hWaveIn,WaveHdr[cnt],SizeOf(WAVEHDR))
            Next
            waveInStart(hWaveIn)
        Case MM_WIM_CLOSE /******WAVE入力デバイスが閉じられる時に呼ばれる******/
            For cnt=0 To NumOfBuffers-1
                waveInUnprepareHeader(hWaveIn,WaveHdr[cnt],SizeOf(WAVEHDR))
            Next
            Record_Flag = FALSE
        Case MM_WIM_DATA /******WAVE入力デバイスのバッファが一杯になった時に呼ばれる******/
            pwh=lParam
            If Stop_Flag = TRUE Then
                mmioWrite(hMmio,pwh->lpData,pwh->dwBytesRecorded)
                mmioAscend(hMmio,MmioCkInfoSub,0)
                mmioAscend(hMmio,MmioCkInfo,0)
                mmioClose(hMmio,0)
                waveInClose(hWaveIn)
                Stop_Flag = FALSE
            Else
                /******dataデータを書き込み******/
                mmioWrite(hMmio,pwh->lpData,pwh->dwBytesRecorded)
                FillMemory(pwh->lpData,BufferLength,127)
                waveInAddBuffer(hWaveIn,ByVal pwh,SizeOf(WAVEHDR))
            End If
	End Select
	' イベントプロシージャの呼び出しを行います。
	MainWndProc=EventCall_MainWnd(hWnd,dwMsg,wParam,lParam)
End Function


'-----------------------------------------------------------------------------
' ここから下は、イベントプロシージャを記述するための領域になります。

Sub MainWnd_Destroy()
	Dim cnt As Long
    If     Record_Flag = TRUE Then
        Stop_Flag = TRUE
        waveInReset(hWaveIn)
    ElseIf Play_Flag = TRUE Then
        Stop_Flag = TRUE
        waveOutReset(hWaveOut)
    End If
    For cnt=0 To NumOfBuffers-1
        free(WaveData[cnt])
    Next
	midienc_DestroyObjects()
	PostQuitMessage(0)
End Sub

Sub MainWnd_Create(ByRef CreateStruct As CREATESTRUCT)
	'MainWndを画面の中央に配置
	Dim MainWndRect As RECT
	GetWindowRect(hMainWnd, MainWndRect)
	SetWindowPos(hMainWnd, 0,_
	(GetSystemMetrics(SM_CXSCREEN) - MainWndRect.right + MainWndRect.left) \ 2,_
    (GetSystemMetrics(SM_CYSCREEN) - MainWndRect.bottom + MainWndRect.top) \ 2,_
    0, 0, SWP_NOSIZE or SWP_NOZORDER)
	
	'それぞれのラジオボタンをチェック
	SendDlgItemMessage(hMainWnd, SameFolder_RadioButton, BM_SETCHECK, 1, 0)

	'ウインドウタイトルを設定
	SetWindowText(hMainWnd, SoftNameVer)

	'コンボボックスの作成
	Dim ic As INITCOMMONCONTROLSEX

	ic.dwSize=Len(ic)
	ic.dwICC=ICC_USEREX_CLASSES
	InitCommonControlsEx(ic)
	hCombo=CreateWindowEx( 0, "ComboBoxEx32", NULL, WS_VISIBLE or CBS_SORT or WS_CHILD or CBS_DROPDOWNLIST or CBS_SORT, 25, 245,160, 100, hMainWnd, 1, GetModuleHandle(0), NULL)
	SendMessage(hCombo,WM_SETFONT,hFont_MainWnd,0)

	Dim cnt As Long
    For cnt=0 To NumOfBuffers-1
        WaveData[cnt] = malloc(BufferLength)
        WaveHdr[cnt].lpData=WaveData[cnt]
        FillMemory(WaveData[cnt],BufferLength,127)
    Next

	'WAVE入力デバイスの性能を取得し、内容をコンボボックスに追加
	waveInGetDevCaps(WAVE_MAPPER,WaveInCaps,SizeOf(WAVEINCAPS))
	If WaveInCaps.dwFormats And WAVE_FORMAT_4S16 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="44100Hz 16bit Streo"
			.iItem=0
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 0, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_4M16 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="44100Hz 16bit Monoural"
			.iItem=1
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 1, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_4S08 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="44100Hz 8bit Streo"
			.iItem=2
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 2, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_4M08 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="44100Hz 8bit Monoural"
			.iItem=3
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 3, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_2S16 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="22050Hz 16bit Streo"
			.iItem=4
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 4, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_2M16 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="22050Hz 16bit Monoural"
			.iItem=5
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 5, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_2S08 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="22050Hz 8bit Streo"
			.iItem=6
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 6, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_2M08 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="22050Hz 8bit Monoural"
			.iItem=7
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 7, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_1S16 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="11025Hz 16bit Streo"
			.iItem=8
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 8, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_1M16 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="11025Hz 16bit Monoural"
			.iItem=9
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 9, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_1S08 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="11025Hz 8bit Streo"
			.iItem=10
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 10, VarPtr(citem))
	If WaveInCaps.dwFormats And WAVE_FORMAT_1M08 Then
		With citem
			.mask=CBEIF_TEXT
			.pszText="11025Hz 8bit Monoural"
			.iItem=11
		End With
	End If
	SendMessage(hCombo, CBEM_INSERTITEM, 12, VarPtr(citem))
End Sub

Sub MainWnd_SameFolder_RadioButton_Click()
	EnableWindow(GetDlgItem(hMainWnd, OtherFolderPath_EditBox), 0)
	EnableWindow(GetDlgItem(hMainWnd, ChooseOtherFolder_Button), 0)
End Sub

Sub MainWnd_OtherFolder_RadioButton_Click()
	EnableWindow(GetDlgItem(hMainWnd, OtherFolderPath_EditBox), 1)
	EnableWindow(GetDlgItem(hMainWnd, ChooseOtherFolder_Button), 1)
End Sub

Sub MainWnd_ChooseMIDIButton_Click()
	'変数宣言
	Dim ofn As OPENFILENAME						'OPENFILENAME構造体
	Dim midipath[MAX_PATH] As Byte
	Dim bErr As Long
	Dim buffer[255] As Byte						'MCIエラーを格納する変数
	Dim msp As MCI_STATUS_PARMS

	'ファイル名を取得
	ofn.lStructSize=Len(ofn)
	ofn.hwndOwner=hMainWnd
	ofn.lpstrFilter=Ex"MIDIファイル(*.mid;*.midi)\0*.mid;*.midi\0すべてのファイル(*.*)\0*\0\0"
	ofn.nFilterIndex=1
	ofn.nMaxFile=MAX_PATH-1
	ofn.lpstrFile=midipath
	ofn.Flags=OFN_FILEMUSTEXIST or OFN_HIDEREADONLY or OFN_PATHMUSTEXIST
	If GetOpenFileName(ofn)=0 Then Exit Sub

	'スタティックテキストにパスを設定する
	SetDlgItemText(hMainWnd, Static_MIDIPath, ofn.lpstrFile)
	

	'--------------------------
	'MIDIファイルの長さを取得
	'--------------------------

	'MCIデバイスをオープンする
	If OpenMciDevice(midipath)=0 Then Exit Sub

	'MIDIファイルの長さを取得
	msp.dwItem = MCI_STATUS_LENGTH
	mciSendCommand(mop.wDeviceID, MCI_STATUS, MCI_STATUS_ITEM, msp)

	'取得したミリ秒から分と秒を計算
	MIDILong = msp.dwReturn/1000
	If MIDILong=>60 Then
		MIDIM=MIDILong \ 60
		MIDIS=MIDILong - (MIDIM * 60)
	Else
		MIDIM=0
		MIDIS=MIDILong
	End If

	wsprintf(buffer, "時間：%d:%02d", MIDIM, MIDIS)

	SetDlgItemText(hMainWnd, Static_MIDILong, buffer)

	EnableWindow(GetDlgItem(hMainWnd, PlayMIDIButton), 1)

	CloseMciDevice()

	lstrcpy(MIDIPath, midipath)
	
	SpritName(midipath, MIDIFileName, lpExt)

	lstrcpy(MIDIFolder, midipath)
End Sub
  
Sub MainWnd_PlayMIDIButton_Click()
	Dim mpp As MCI_PLAY_PARMS
	Dim bErr As Long

	'MCIデバイスをオープン
	If OpenMciDevice(MIDIPath)=0 Then Exit Sub
	
	'MIDIファイルを再生
	mpp.dwCallback=hMainWnd
	bErr=mciSendCommand(mop.wDeviceID, MCI_PLAY, MCI_NOTIFY, mpp)
	If bErr Then
		MessageBox(hMainWnd, "デバイスの再生に失敗", "Error - " + SoftNameVer, MB_OK or MB_ICONSTOP)
		Exit Sub
	End If
	
	'再生ボタンを無効化し、停止ボタンを有効化する
	EnableWindow(GetDlgItem(hMainWnd, PlayMIDIButton), 0)
	EnableWindow(GetDlgItem(hMainWnd, StopMIDIButton), 1)
End Sub

Sub MainWnd_StopMIDIButton_Click()
	Dim bErr As Long
	Dim dwCallBack As DWord

	'停止
	bErr=mciSendCommand(mop.wDeviceID, MCI_STOP, MCI_WAIT, dwCallBack)
	If bErr Then
		MessageBox(hMainWnd, "デバイスの停止に失敗", "Error - " + SoftNameVer, MB_OK or MB_ICONSTOP)
		CloseMciDevice()
		Exit Sub
	End If

	'デバイスを閉じる
	CloseMciDevice()

	'再生ボタンを有効化し、停止ボタンを無効化する
	EnableWindow(GetDlgItem(hMainWnd, PlayMIDIButton), 1)
	EnableWindow(GetDlgItem(hMainWnd, StopMIDIButton), 0)
End Sub

Sub MainWnd_MciNotify(flags As Long, DevID As DWord)
	If flags=MCI_NOTIFY_SUCCESSFUL Then
		If IsPlayOrRecord=0 Then
			'停止する
			SendMessage(hMainWnd, WM_COMMAND, StopMIDIButton, 0)
		Else
			Dim bErr As Long
			Dim dwCallBack As DWord

			'停止
			bErr=mciSendCommand(mop.wDeviceID, MCI_STOP, MCI_WAIT, dwCallBack)
			If bErr Then
				MessageBox(hMainWnd, "デバイスの停止に失敗", "Error - " + SoftNameVer, MB_OK or MB_ICONSTOP)
				CloseMciDevice()
				Exit Sub
			End If

			'デバイスを閉じる
			CloseMciDevice()

			Stop_Flag = TRUE
   		 	waveInReset(hWaveIn)
   			waveOutReset(hWaveOut)
   			Play_Flag = FALSE
    		Record_Flag = FALSE

			'各種コントロールを有効・無効化する
			EnableWindow(GetDlgItem(hMainWnd, GroupBox1), 1)
			EnableWindow(GetDlgItem(hMainWnd, GroupBox2), 1)
			EnableWindow(GetDlgItem(hMainWnd, GroupBox3), 1)
			EnableWindow(GetDlgItem(hMainWnd, GroupBox4), 1)
			EnableWindow(GetDlgItem(hMainWnd, GroupBox5), 1)
			EnableWindow(GetDlgItem(hMainWnd, Static_MIDIPath), 1)
			EnableWindow(GetDlgItem(hMainWnd, Static_MIDILong), 1)
			EnableWindow(GetDlgItem(hMainWnd, ChooseMIDIButton), 1)
			EnableWindow(GetDlgItem(hMainWnd, PlayMIDIButton), 1)
			EnableWindow(GetDlgItem(hMainWnd, SameFolder_RadioButton), 1)
			EnableWindow(GetDlgItem(hMainWnd, OtherFolder_RadioButton), 1)
			EnableWindow(GetDlgItem(hMainWnd, OtherFolderPath_EditBox), 1)
			EnableWindow(GetDlgItem(hMainWnd, ChooseOtherFolder_Button), 1)
			EnableWindow(GetDlgItem(hMainWnd, StartEncButton), 1)
			EnableWindow(hCombo, 1)
			EnableWindow(GetDlgItem(hMainWnd, CancelEncButton), 0)
		End If
	End If
End Sub

Sub MainWnd_ChooseOtherFolder_Button_Click()
	Dim bi As BROWSEINFO						'BROWSEINFO構造体
    Dim pidl As Long
	Dim OtherFolderPath[MAX_PATH] As Byte		'他のフォルダへのパス

    'BROWSEINFO構造体の初期化
    FillMemory(VarPtr(bi),Len(bi),0)
    bi.hwndOwner=hMainWnd
    bi.lpszTitle="フォルダを選択してください"
    bi.ulFlags=BIF_RETURNONLYFSDIRS

    '「フォルダの参照」ダイアログボックスを表示
    pidl=SHBrowseForFolder(bi)

    If pidl Then
        'フォルダへのパスを取得（lpFolderポインタが示すバッファにコピー）
        SHGetPathFromIDList(pidl, OtherFolderPath)
		CoTaskMemFree(pidl)
		SetDlgItemText(hMainWnd, OtherFolderPath_EditBox, OtherFolderPath)
    End If
End Sub

Sub MainWnd_StartEncButton_Click()
	'MIDI->WAVに変換するプロシージャ
	Dim path[MAX_PATH] As Long					'変換ファイルを置くフォルダ
	Dim channel As Long							'チャンネル
	Dim Hz As Long								'サンプリング周波数
	Dim bit As Long								'量子化ビット数
	Dim buffer[256] As Byte						'コンボボックスから取得した内容を格納する変数

	'--------------------
	'各設定内容のチェック
	'--------------------
	If MIDIPath[0]=0 Then
		MessageBox(hMainWnd, "MIDIファイルが選択されていません", "Error - " + SoftNameVer, MB_OK)
		Exit Sub
	End If

	If SendDlgItemMessage(hMainWnd, OtherFolder_RadioButton, BM_GETCHECK, 0, 0)=BST_CHECKED Then
		GetDlgItemText(hMainWnd, OtherFolderPath_EditBox, path, MAX_PATH)
		If path[0]=0 Then
			MessageBox(hMainWnd, "他のフォルダへのパスが設定されていません", "Error - " + SoftNameVer, MB_OK)
			Exit Sub
		End If
		lstrcat(path, MIDIFileName + ".wav")
	Else
		lstrcpy(path, MIDIFolder + MIDIFileName + ".wav")
	End If

	'コンボボックスで選択された内容からwavフォーマットを指定
	SendMessage(hCombo, CB_GETLBTEXT, SendMessage(hCombo, CB_GETCURSEL, 0, 0), buffer)
	If buffer="" Then
		MessageBox(hMainWnd, "変換品質が選択されていません。", "Error - " + SoftNameVer, MB_OK)
		Exit Sub
	End If
	WaveInFormatEx.cbSize = SizeOf(WAVEFORMATEX)
    WaveInFormatEx.wFormatTag = WAVE_FORMAT_PCM
	If InStr(1, buffer, "Streo") Then
		WaveInFormatEx.nChannels = 2
	Else
		WaveInFormatEx.nChannels = 1
	End If
	If InStr(1, buffer, "16bit") Then
		WaveInFormatEx.wBitsPerSample = 16
	Else
		WaveInFormatEx.wBitsPerSample = 8
	End If
	If InStr(1, buffer, "44100") Then
		WaveInFormatEx.nSamplesPerSec = 44100
	ElseIf InStr(1, buffer, "22050") Then
		WaveInFormatEx.nSamplesPerSec = 22050
	Else
		WaveInFormatEx.nSamplesPerSec = 11025
	End If
	WaveInFormatEx.nBlockAlign = WaveInFormatEx.nChannels*WaveInFormatEx.wBitsPerSample/8
    WaveInFormatEx.nAvgBytesPerSec = WaveInFormatEx.nBlockAlign * WaveInFormatEx.nSamplesPerSec

	'MCIデバイスをオープン
	If OpenMciDevice(MIDIPath)=0 Then Exit Sub

	'必要ないコントロールを無効化する
	EnableWindow(GetDlgItem(hMainWnd, GroupBox1), 0)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox2), 0)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox3), 0)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox4), 0)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox5), 0)
	EnableWindow(GetDlgItem(hMainWnd, Static_MIDIPath), 0)
	EnableWindow(GetDlgItem(hMainWnd, Static_MIDILong), 0)
	EnableWindow(GetDlgItem(hMainWnd, ChooseMIDIButton), 0)
	EnableWindow(GetDlgItem(hMainWnd, PlayMIDIButton), 0)
	EnableWindow(GetDlgItem(hMainWnd, StopMIDIButton), 0)
	EnableWindow(GetDlgItem(hMainWnd, SameFolder_RadioButton), 0)
	EnableWindow(GetDlgItem(hMainWnd, OtherFolder_RadioButton), 0)
	EnableWindow(GetDlgItem(hMainWnd, OtherFolderPath_EditBox), 0)
	EnableWindow(GetDlgItem(hMainWnd, ChooseOtherFolder_Button), 0)
	EnableWindow(GetDlgItem(hMainWnd, StartEncButton), 0)
	EnableWindow(hCombo, 0)

	Dim mpp As MCI_PLAY_PARMS
	Dim bErr As Long
	
	'MIDIファイルを再生
	mpp.dwCallback=hMainWnd
	bErr=mciSendCommand(mop.wDeviceID, MCI_PLAY, MCI_NOTIFY, mpp)
	If bErr Then
		MessageBox(hMainWnd, "デバイスの再生に失敗", "Error - " + SoftNameVer, MB_OK or MB_ICONSTOP)
		Exit Sub
	End If

	/******WAVEファイルを作成******/
    hMmio = mmioOpen(path, ByVal 0, MMIO_CREATE or MMIO_WRITE or MMIO_EXCLUSIVE)

    /******WAVEチャンクを作成******/
    MmioCkInfo.fccType = mmioStringToFOURCC("WAVE", 0)
    mmioCreateChunk(hMmio, MmioCkInfo, MMIO_CREATERIFF)

    /******fmt チャンクを作成******/
    MmioCkInfoSub.ckid = mmioStringToFOURCC("fmt ", 0)
    mmioCreateChunk(hMmio, MmioCkInfoSub, 0)

    /******fmt データを書き込み******/
    mmioWrite(hMmio, VarPtr(WaveInFormatEx), SizeOf(PCMWAVEFORMAT))
    mmioAscend(hMmio, MmioCkInfoSub, 0)

    /******WAVE入力デバイスを開く******/
    waveInOpen(hWaveIn, WAVE_MAPPER, WaveInFormatEx, hMainWnd, 0, CALLBACK_WINDOW)
    Record_Flag = TRUE

	IsPlayOrRecord=1

	'「変換中止」ボタンを有効化する
	EnableWindow(GetDlgItem(hMainWnd, CancelEncButton), 1)
End Sub

Sub MainWnd_CancelEncButton_Click()
	Dim bErr As Long
	Dim dwCallBack As DWord

	'停止
	bErr=mciSendCommand(mop.wDeviceID, MCI_STOP, MCI_WAIT, dwCallBack)
	If bErr Then
		MessageBox(hMainWnd, "デバイスの停止に失敗", "Error - " + SoftNameVer, MB_OK or MB_ICONSTOP)
		CloseMciDevice()
		Exit Sub
	End If

	'デバイスを閉じる
	CloseMciDevice()

	Stop_Flag = TRUE
    waveInReset(hWaveIn)
    waveOutReset(hWaveOut)
    Play_Flag = FALSE
    Record_Flag = FALSE

	'各種コントロールを有効・無効化する
	EnableWindow(GetDlgItem(hMainWnd, GroupBox1), 1)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox2), 1)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox3), 1)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox4), 1)
	EnableWindow(GetDlgItem(hMainWnd, GroupBox5), 1)
	EnableWindow(GetDlgItem(hMainWnd, Static_MIDIPath), 1)
	EnableWindow(GetDlgItem(hMainWnd, Static_MIDILong), 1)
	EnableWindow(GetDlgItem(hMainWnd, ChooseMIDIButton), 1)
	EnableWindow(GetDlgItem(hMainWnd, PlayMIDIButton), 1)
	EnableWindow(GetDlgItem(hMainWnd, SameFolder_RadioButton), 1)
	EnableWindow(GetDlgItem(hMainWnd, OtherFolder_RadioButton), 1)
	EnableWindow(GetDlgItem(hMainWnd, OtherFolderPath_EditBox), 1)
	EnableWindow(GetDlgItem(hMainWnd, ChooseOtherFolder_Button), 1)
	EnableWindow(GetDlgItem(hMainWnd, StartEncButton), 1)
	EnableWindow(hCombo, 1)
	EnableWindow(GetDlgItem(hMainWnd, CancelEncButton), 0)
End Sub