private void StartPlayVideo(string filename)
{
if (filename != "")
{
StopVideo();
if (PlayCtrl.PlayM4_GetPort(ref m_lPort))
{
m_ptrRealHandle = picPlayBack.Handle;
m_FileRefDone = new PlayCtrl.PFILEREFDONE(PlayCallBack);
if (PlayCtrl.PlayM4_SetFileRefCallBack(m_lPort, m_FileRefDone, 0))
{
}
if (PlayCtrl.PlayM4_OpenFile(m_lPort, filename))
{
if (PlayCtrl.PlayM4_Play(m_lPort, m_ptrRealHandle))
{
m_CurPlayState = PlayState.PlayNormal;
SetCtrlEnable();
}
else
{
uint error = PlayCtrl.PlayM4_GetLastError(m_lPort);
}
}
}
else
{
uint error = PlayCtrl.PlayM4_GetLastError(m_lPort);
}
}
}