private void OpenWaveFile(string sFilename, MMIOFlags f)
{
MMIOINFO minfo = new MMIOINFO();
m_OutputFile = MMIO.Open(sFilename, minfo, f);
if (m_OutputFile == IntPtr.Zero)
{
MMIO.ThrowExceptionForError(minfo.wErrorRet);
}
}
public void DoTests()
{
MMIOINFO mminfo = new MMIOINFO();
MMIOINFO mminfo2 = new MMIOINFO();
IntPtr ipOutput;
ipOutput = MMIO.Open(sFilename, mminfo, MMIOFlags.ReadWrite);
int i = MMIO.Seek(ipOutput, 0, MMIOSeekFlags.Set);
Debug.Assert(i >= 0);
MMIOError mm = MMIO.Flush(ipOutput, MMIOFlushFlags.None);
MMIO.ThrowExceptionForError(mm);
mm = MMIO.GetInfo(ipOutput, mminfo, Marshal.SizeOf(typeof(MMIOINFO)));
MMIO.ThrowExceptionForError(mm);
Debug.Assert(mminfo.dwFlags == MMIOFlags.ReadWrite);
mm = MMIO.SetInfo(ipOutput, mminfo, Marshal.SizeOf(typeof(MMIOINFO)));
MMIO.ThrowExceptionForError(mm);
IntPtr ipbuff = Marshal.AllocCoTaskMem(BUFSIZE);
mm = MMIO.SetBuffer(ipOutput, ipbuff, BUFSIZE, 0);
MMIO.ThrowExceptionForError(mm);
mm = MMIO.GetInfo(ipOutput, mminfo2, Marshal.SizeOf(typeof(MMIOINFO)));
MMIO.ThrowExceptionForError(mm);
mm = MMIO.Advance(ipOutput, mminfo2, RWMode.Read);
MMIO.ThrowExceptionForError(mm);
Debug.Assert(mminfo2.lDiskOffset == BUFSIZE);
mm = MMIO.Close(ipOutput, MMIOCloseFlags.None);
MMIO.ThrowExceptionForError(mm);
mm = MMIO.Rename(sFilename, sFilename2, null, 0);
MMIO.ThrowExceptionForError(mm);
mm = MMIO.Rename(sFilename2, sFilename, null, 0);
MMIO.ThrowExceptionForError(mm);
}