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标题: 在程序中利用API函数如何打开和关闭光驱门？ [打印本页]

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作者: 徐欣    时间: 2013-7-2 13:21
标题: 在程序中利用API函数如何打开和关闭光驱门？

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作者: 淡写轻描    时间: 2013-7-2 13:25
*API函数声明如下rivate 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注释：调用时的代码如下Dim Ret As LongDim RetStr As String注释：打开光驱门Ret = mciSendString("set CDAudio door open", RetStr, 0, 0)注释：关闭光驱门Ret = mciSendString("set CDAudio door closed", RetStr, 0, 0)

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