IltmmDVDControl::get_ButtonsAvailable

#include "ltmm.h"

C Syntax

HRESULT IltmmDVDControl__get_ButtonsAvailable(pDVD, Buttons)

C++ Syntax

HRESULT get_ButtonsAvailable(Buttons)

 

IltmmDVDControl *pDVD;

/* pointer to an interface */

long *pButtons;

/* pointer to a variable */

Retrieves the number of available buttons.

Parameter

Description

pDVD

Pointer to an IltmmDVDControl interface.

pButtons

Pointer to a variable that is updated with the number of available Buttons.

Returns

S_OK

The function ran successfully.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

To retrieve the number of the currently selected button, call IltmmDVDControl::get_CurrentButton.

For more detailed information, refer to the Microsoft documentation for IDvdInfo2::GetCurrentButton.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

See Also

Elements:

IltmmDVDControl interface, IltmmDVDControl::GetButtonAtPosition, IltmmDVDControl::GetButtonTop, IltmmDVDControl::GetButtonLeft, IltmmDVDControl::GetButtonWidth, IltmmDVDControl::GetButtonHeight, IltmmDVDControl::get_CurrentButton, IltmmDVDControl::ActivateAtPosition, IltmmDVDControl::ActivateButton, IltmmDVDControl::SelectAtPosition, IltmmDVDControl::SelectAndActivateButton, IltmmDVDControl::SelectButton, IltmmDVDControl::SelectRelativeButton

Topics:

Multimedia Function Group

Example

For a C example, refer to IltmmDVDControl::GetButtonAtPosition Example for C.

For a C++ example, refer to IltmmDVDControl::GetButtonAtPosition Example for C++.