IltmmDVDControl::GetButtonLeft

#include "ltmm.h"

C Syntax

HRESULT IltmmDVDControl__getButtonLeft(pDVD, Button, pLeft)

C++ Syntax

HRESULT GetButtonLeft(Button, pLeft)

 

IltmmDVDControl *pDVD;

/* pointer to an interface */

long Button;

/* index */

long *pLeft;

/* pointer to a variable */

Retrieves the top coordinate of the specified button.

Parameter

Description

pDVD

Pointer to an IltmmDVDControl interface.

Button

The number of the Button from which to retrieve the left coordinate. Possible values range from 1 to 36.

pLeft

Pointer to a variable that is updated with the left coordinate of the specified Button.

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

The other coordinates for a button can be obtained using the following functions:

IltmmDVDControl::GetButtonTop

IltmmDVDControl::GetButtonWidth

IltmmDVDControl::GetButtonHeight

For more detailed information, refer to the Microsoft documentation for IDvdInfo2::GetButtonRect at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directshow/htm/idvdinfo2getbuttonrect.asp.

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.

See Also

Elements:

IltmmDVDControl interface, IltmmDVDControl::GetButtonAtPosition, IltmmDVDControl::GetButtonTop, IltmmDVDControl::GetButtonWidth, IltmmDVDControl::GetButtonHeight, IltmmDVDControl::get_CurrentButton, IltmmDVDControl::get_ButtonsAvailable, 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++.