WinAPI: waveInMessage 向波形输入设备发送一条消息

//声明:
waveInMessage(
  hWaveIn: HWAVEIN; {设备句柄}
  uMessage: UINT;   {消息}
  dw1: DWORD        {消息参数}
  dw2: DWORD        {消息参数}
): MMRESULT;        {将由设备给返回值}

//举例:
原文地址:https://www.cnblogs.com/del/p/1074903.html