LEADTOOLS Multimedia API Help > LEADTOOLS Multimedia Features > Multimedia Function References > IltmmDVDControl Interface > IltmmDVDControl::GetButtonAtPosition |
#include "ltmm.h"
C Syntax |
HRESULT IltmmDVDControl_getButtonAtPosition(pDVD, X, Y, pIndex) |
C++ Syntax |
HRESULT GetButtonAtPosition(X, Y, pIndex) |
IltmmDVDControl *pDVD; |
/* pointer to an interface */ |
long X; |
/* x coordinate */ |
long Y; |
/* y coordinate */ |
long *pIndex; |
/* pointer to a variable */ |
Retrieves the number of the button located at the specified coordinates within the display window.
Parameter |
Description |
pDVD |
Pointer to an IltmmDVDControl interface. |
X |
The x-coordinate of the mouse pointer position. |
Y |
The y-coordinate of the mouse pointer position. |
pIndex |
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
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
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. |
Win32, x64
See Also
Example
For a C example, refer to IltmmDVDControl::GetButtonAtPosition Example for C.
For a C++ example, refer to IltmmDVDControl::GetButtonAtPosition Example for C++.