void EnableMenuItems(HWND hwnd)
{
+ MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
MCI_DGV_RECT_PARMS mciVideoRect;
MCI_DGV_WINDOW_PARMSW mciVideoWindow;
- DWORD dwError;
EnableMenuItem(hMainMenu, IDM_CLOSE_FILE, MF_BYCOMMAND | MF_ENABLED);
- dwError = mciSendCommand(wDeviceId, MCI_CONFIGURE, MCI_TEST, (DWORD_PTR)&mciGeneric);
- if (dwError == 0)
+ mciError = mciSendCommand(wDeviceId, MCI_CONFIGURE, MCI_TEST, (DWORD_PTR)&mciGeneric);
+ if (mciError == 0)
{
EnableMenuItem(hMainMenu, IDM_DEVPROPS, MF_BYCOMMAND | MF_ENABLED);
}
mciVideoWindow.hWnd = hwnd;
- dwError = mciSendCommand(wDeviceId, MCI_WINDOW, MCI_DGV_WINDOW_HWND | MCI_TEST, (DWORD_PTR)&mciVideoWindow);
- if (!dwError)
+ mciError = mciSendCommand(wDeviceId, MCI_WINDOW, MCI_DGV_WINDOW_HWND | MCI_TEST, (DWORD_PTR)&mciVideoWindow);
+ if (!mciError)
{
- dwError = mciSendCommand(wDeviceId, MCI_WHERE, MCI_DGV_WHERE_SOURCE | MCI_TEST, (DWORD_PTR)&mciVideoRect);
- if (!dwError)
+ mciError = mciSendCommand(wDeviceId, MCI_WHERE, MCI_DGV_WHERE_SOURCE | MCI_TEST, (DWORD_PTR)&mciVideoRect);
+ if (!mciError)
{
EnableMenuItem(hMainMenu, IDM_SWITCHVIEW, MF_BYCOMMAND | MF_ENABLED);
}
}
static VOID
-ShowMCIError(HWND hwnd, DWORD dwError)
+ShowMCIError(HWND hwnd, MCIERROR mciError)
{
TCHAR szErrorMessage[MAX_MCISTR];
TCHAR szTempMessage[MAX_MCISTR + 44];
- if (mciGetErrorString(dwError, szErrorMessage, sizeof(szErrorMessage) / sizeof(szErrorMessage[0])) == FALSE)
+ if (mciGetErrorString(mciError, szErrorMessage, sizeof(szErrorMessage) / sizeof(szErrorMessage[0])) == FALSE)
{
LoadString(hInstance, IDS_DEFAULTMCIERRMSG, szErrorMessage, sizeof(szErrorMessage) / sizeof(szErrorMessage[0]));
}
- _stprintf(szTempMessage, _T("MMSYS%lu: %s"), dwError, szErrorMessage);
+ _stprintf(szTempMessage, _T("MMSYS%lu: %s"), mciError, szErrorMessage);
MessageBox(hwnd, szTempMessage, szAppTitle, MB_OK | MB_ICONEXCLAMATION);
}
static DWORD
CloseMciDevice(VOID)
{
+ MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
- DWORD dwError;
if (bIsOpened)
{
- dwError = mciSendCommand(wDeviceId, MCI_CLOSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
- if (dwError) return dwError;
+ mciError = mciSendCommand(wDeviceId, MCI_CLOSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
+ if (mciError) return mciError;
bIsOpened = FALSE;
}
static DWORD
OpenMciDevice(HWND hwnd, LPTSTR lpType, LPTSTR lpFileName)
{
+ MCIERROR mciError;
MCI_STATUS_PARMS mciStatus;
MCI_OPEN_PARMS mciOpen;
TCHAR szNewTitle[MAX_PATH];
- DWORD dwError;
if (bIsOpened)
{
mciOpen.wDeviceID = 0;
mciOpen.lpstrAlias = NULL;
- dwError = mciSendCommand(0, MCI_OPEN, MCI_OPEN_TYPE | MCI_OPEN_ELEMENT | MCI_WAIT, (DWORD_PTR)&mciOpen);
- if (dwError != 0)
+ mciError = mciSendCommand(0, MCI_OPEN, MCI_OPEN_TYPE | MCI_OPEN_ELEMENT | MCI_WAIT, (DWORD_PTR)&mciOpen);
+ if (mciError != 0)
{
- return dwError;
+ return mciError;
}
mciStatus.dwItem = MCI_STATUS_LENGTH;
- dwError = mciSendCommand(mciOpen.wDeviceID, MCI_STATUS, MCI_STATUS_ITEM | MCI_WAIT, (DWORD_PTR)&mciStatus);
- if (dwError != 0)
+ mciError = mciSendCommand(mciOpen.wDeviceID, MCI_STATUS, MCI_STATUS_ITEM | MCI_WAIT, (DWORD_PTR)&mciStatus);
+ if (mciError != 0)
{
- return dwError;
+ return mciError;
}
SendMessage(hTrackBar, TBM_SETRANGEMIN, (WPARAM) TRUE, (LPARAM) 1);
static VOID
SeekPlayback(HWND hwnd, DWORD dwNewPos)
{
+ MCIERROR mciError;
MCI_SEEK_PARMS mciSeek;
MCI_PLAY_PARMS mciPlay;
- DWORD dwError;
if (bIsOpened)
{
mciSeek.dwTo = (DWORD_PTR)dwNewPos;
- dwError = mciSendCommand(wDeviceId, MCI_SEEK, MCI_WAIT | MCI_TO, (DWORD_PTR)&mciSeek);
- if (dwError != 0)
+ mciError = mciSendCommand(wDeviceId, MCI_SEEK, MCI_WAIT | MCI_TO, (DWORD_PTR)&mciSeek);
+ if (mciError != 0)
{
- ShowMCIError(hwnd, dwError);
+ ShowMCIError(hwnd, mciError);
}
mciPlay.dwCallback = (DWORD_PTR)hwnd;
- dwError = mciSendCommand(wDeviceId, MCI_PLAY, MCI_NOTIFY, (DWORD_PTR)&mciPlay);
- if (dwError != 0)
+ mciError = mciSendCommand(wDeviceId, MCI_PLAY, MCI_NOTIFY, (DWORD_PTR)&mciPlay);
+ if (mciError != 0)
{
- ShowMCIError(hwnd, dwError);
+ ShowMCIError(hwnd, mciError);
}
}
}
static VOID
PausePlayback(HWND hwnd)
{
+ MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
- DWORD dwError;
if (bIsOpened)
{
- dwError = mciSendCommand(wDeviceId, MCI_PAUSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
- if (dwError != 0)
+ mciError = mciSendCommand(wDeviceId, MCI_PAUSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
+ if (mciError != 0)
{
- ShowMCIError(hwnd, dwError);
+ ShowMCIError(hwnd, mciError);
}
bIsPaused = TRUE;
}
static VOID
ResumePlayback(HWND hwnd)
{
+ MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
- DWORD dwError;
if (bIsPaused)
{
- dwError = mciSendCommand(wDeviceId, MCI_RESUME, MCI_WAIT, (DWORD_PTR)&mciGeneric);
- if (dwError != 0)
+ mciError = mciSendCommand(wDeviceId, MCI_RESUME, MCI_WAIT, (DWORD_PTR)&mciGeneric);
+ if (mciError != 0)
{
- ShowMCIError(hwnd, dwError);
+ ShowMCIError(hwnd, mciError);
}
bIsPaused = FALSE;
}
static VOID
ShowDeviceProperties(HWND hwnd)
{
+ MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
- DWORD dwError;
- dwError = mciSendCommand(wDeviceId, MCI_CONFIGURE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
- if (dwError != 0)
+ mciError = mciSendCommand(wDeviceId, MCI_CONFIGURE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
+ if (mciError != 0)
{
- ShowMCIError(hwnd, dwError);
+ ShowMCIError(hwnd, mciError);
}
}