#include "ltmm.h"
C Syntax  | 
HRESULT IltmmDVDTitle_get_LetterboxPermitted(pDVDTitle, pVal)  | 
C++ Syntax  | 
HRESULT get_LetterboxPermitted(pVal)  | 
IltmmDVDTitle *pDVDTitle;  | 
pointer to an interface  | 
VARIANT_BOOL * pVal;  | 
pointer to a variable  | 
Gets whether the picture can be shown as letterbox if the display aspect ratio is 4x3.
| Parameter | Description | |
| pDVDTitle | Pointer to an IltmmDVDTitle interface. | |
| pVal | Pointer to a variable to be updated to indicate if the picture can be shown as letterbox if the display aspect ration is 4X3. Possible values are: | |
| Setting | Description | |
| VARIANT_TRUE | The picture can be shown as letterbox. | |
| VARIANT_FALSE | The picture cant be shown as letterbox. | |
S_OK  | 
The function was successful.  | 
<> S_OK  | 
An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.  | 
This property will return the whether picture can be shown as letterbox if the display aspect ratio is 4x3.
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
For C example, refer to DVD Source Example.
For C++ example, refer to DVD Source for C++.
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