/// <summary>
/// 从当前位置开始或在一个指定区段中录音。
/// </summary>
public void Record()
{
int err;
int flags = 0;
StringBuilder buf = new StringBuilder(1000);
if (deviceID > 0 && (devCaps & DevCaps.CanRecord) == DevCaps.CanRecord)
{
if ((int)timer.Tag == 0)
{
timer.Tag = 1;
timer.Start();
}
MCI_RECORD_PARMS mrp = new MCI_RECORD_PARMS();
if (useFrom && startPos != 0)
{
mrp.dwFrom = startPos;
flags |= MCI_FROM;
useFrom = false;
}
if (useTo && endPos != 0)
{
mrp.dwTo = endPos;
flags |= MCI_TO;
useTo = false;
}
err = mciSendCommandA(deviceID, MCI_RECORD, flags, ref mrp);
if (err != 0)
{
mciGetErrorStringA(err, buf, 1000);
//throw new ApplicationException("录音出错，" + buf.ToString());
}
}
else
{
//throw new ApplicationException("录音出错，打开的文件不能录音。");
}
}
private static extern int mciSendCommandA(
Int32 wDeviceID,
UInt32 uMessage,
Int32 dwParam,
ref MCI_RECORD_PARMS Any);