26.txt

介绍VB里的各种控件的使用方法,窗口控制,图像编程以及OCX等内容,还提供了一个API集供参考.

打开／关闭光驱门

声明
Private Declare Function mciSendString Lib "winmm.dll" Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, ByVal uReturnLength As Long, ByVal hwndCallback As Long) As Long
代码
Sub OpenCDDoor()
  mciSendString "Set CDAudio Door Open Wait", 0&, 0&, 0&
End Sub

Sub CloseCDDoor()
  mciSendString "Set CDAudio Door Closed Wait", 0&, 0&, 0&
End Sub