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Retrieves the number of the button located at the specified coordinates within the display window.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmDVDControl_getButtonAtPosition(pDVD, x, y, pVal) |
| C++ | HRESULT GetButtonAtPosition(x, y, pVal) |
Pointer to an IltmmDVDControl interface.
The x-coordinate of the mouse pointer position.
The y-coordinate of the mouse pointer position.
Pointer to a variable that is updated with the number of the button at the specified position. Possible values range from 1 to 36.
| 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. |
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.
Win32, x64.
| Language | Example |
|---|---|
| C | IltmmDVDControl::GetButtonAtPosition |
| C++ | IltmmDVDControl::GetButtonAtPosition |
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