以下のマクロを使用して、CD-ROMトレイ/ドアを開閉できます。 Sub mciSendStringA Lib “winmm.dll”(ByVal lpstrCommand As String、_ ByVal lpstrReturnString As Any、ByVal uReturnLength As Long、_ ByVal hwndCallback As Long)を宣言します

Sub OpenCDTray()

mciSendStringA "Set CDAudio Door Open", 0&, 0, 0

End Sub

Sub CloseCDTray()

mciSendStringA "Set CDAudio Door Closed", 0&, 0, 0

End Sub