static VOID
PlayFile(HWND hwnd, LPTSTR lpFileName)
{
MCI_PLAY_PARMS mciPlay;
TCHAR szLocalFileName[MAX_PATH];
UINT FileType;
MCIERROR mciError;
if (lpFileName == NULL)
{
if (szPrevFile[0] == _T('\0'))
return;
_tcscpy(szLocalFileName, szPrevFile);
}
else
{
_tcscpy(szLocalFileName, lpFileName);
}
if (GetFileAttributes(szLocalFileName) == INVALID_FILE_ATTRIBUTES)
{
return;
}
FileType = IsSupportedFileExtension(szLocalFileName);
switch (FileType)
{
case UNSUPPORTED_FILE:
MessageBox(hwnd, _T("Unsupported format!"), NULL, MB_OK);
return;
case WAVE_FILE:
OpenMciDevice(hwnd, _T("waveaudio"), szLocalFileName);
break;
case MIDI_FILE:
OpenMciDevice(hwnd, _T("sequencer"), szLocalFileName);
break;
case AUDIOCD_FILE:
OpenMciDevice(hwnd, _T("cdaudio"), szLocalFileName);
break;
case AVI_FILE:
OpenMciDevice(hwnd, _T("avivideo"), szLocalFileName);
break;
}
SetTimer(hwnd, IDT_PLAYTIMER, 100, (TIMERPROC) PlayTimerProc);
mciSendCommand(wDeviceId, MCI_SEEK, MCI_WAIT | MCI_SEEK_TO_START, 0);
mciPlay.dwCallback = (DWORD_PTR)hwnd;
mciPlay.dwFrom = 0;
mciPlay.dwTo = MaxFilePos;
mciError = mciSendCommand(wDeviceId, MCI_PLAY, MCI_NOTIFY | MCI_FROM /*| MCI_TO*/, (DWORD_PTR)&mciPlay);
if (mciError != 0)
{
MessageBox(hwnd, _T("Can't play!"), NULL, MB_OK);
}
}
// Check if a single file name is provided that seems to be an image file.
bool CMyStatic::CanLoadFromFile(COleDataObject *pDataObject) const
{
// Check if there is a HDROP object with a single file name.
bool bCanLoadFromFile = (1 == m_DropTarget.GetFileNameCount(pDataObject));
if (bCanLoadFromFile)
{
bCanLoadFromFile = false;
CString str = m_DropTarget.GetSingleFileName(pDataObject);
// Check if file exists
if (!str.IsEmpty() &&
INVALID_FILE_ATTRIBUTES != ::GetFileAttributes(str.GetString()))
{
// Check file extension.
// This is a rather simple check.
// A full check may get the file type by reading the first bytes from the file.
bCanLoadFromFile = IsSupportedFileExtension(str.GetString());
}
}
return bCanLoadFromFile;
}
