IltmmDVDControl::GetButtonAtPosition

Summary

Retrieves the number of the button located at the specified coordinates within the display window.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmDVDControl_getButtonAtPosition(pDVD, x, y, pVal)
C++ HRESULT GetButtonAtPosition(x, y, pVal)

Parameters

IltmmDVDControl *pDVD

Pointer to an IltmmDVDControl interface.

long x

The x-coordinate of the mouse pointer position.

long y

The y-coordinate of the mouse pointer position.

long *pVal

Pointer to a variable that is updated with the number of the button at the specified position. Possible values range from 1 to 36.

Returns

Value Meaning
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

Note that the upper limit value of 36 for the pIndex parameter is the absolute maximum. Call IltmmDVDControl::get_ButtonsAvailable to get the actual upper limit value, For more detailed information, refer to the Microsoft documentation for IDvdInfo2::GetButtonAtPosition.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C IltmmDVDControl::GetButtonAtPosition
C++ IltmmDVDControl::GetButtonAtPosition
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.