IDvdControl2::ShowMenu
| Microsoft DirectShow 9.0 |
IDvdControl2::ShowMenu
The ShowMenu method displays the specified menu, if available.
Syntax
HRESULT ShowMenu( DVD_MENU_ID MenuID, DWORD dwFlags, IDvdCmd **ppCmd );
Parameters
MenuID
[in] A DVD_MENU_ID enumeration value that specifies the menu to display.
dwFlags
[in] Bitwise OR of one or more flags from the DVD_CMD_FLAGS enumeration, specifying how to synchronize the command.
ppCmd
[out] Receives a pointer to an IDvdCmd object that can be used to synchronize DVD commands. The caller must release the interface. This parameter can be NULL. For more information, see Synchronizing DVD Commands.
Return Values
Returns one of the following values.
| Return code | Description |
| S_OK | Success. |
| E_INVALIDARG | The MenuID parameter is invalid. |
| VFW_E_DVD_INVALIDDOMAIN | Invalid domain. |
| VFW_E_DVD_MENU_DOES_NOT_EXIST | The specified menu does not exist. |
| VFW_E_DVD_OPERATION_INHIBITED | UOP control prohibits the operation. |
Remarks
The Video Manager Menu (VMGM) should be accessible from the Title or the Video Title Set domains. The Video Title Set menus (VTSMs) might only be accessible through the VMGM. Any submenus under each VTSM (for chapters, angles, and audio and subpicture streams) are only accessible through that VTSM.
This method is demonstrated in the DVDSample application application in CDvdCore::RootMenu and CDvdCore::TitleMenu.
The following table shows the Annex J command name to which this method name corresponds, and the domains in which this method is valid.
| Annex J Command Name | Valid Domains |
| Menu_Call | All. |
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also