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Retrieves the number of text languages for the current DVD or disc side.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmDVDControl_get_DVDTextNumberOfLanguages(pDVD, pVal) |
| C++ | HRESULT get_DVDTextNumberOfLanguages(pVal) |
Pointer to an IltmmDVDControl interface.
Pointer to a variable that receives the number of text languages.
| 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. |
The value referenced by pLanguages represents the number of text languages / language blocks for the current DVD or disc side. This value determines the possible values for the Index parameters of the following functions:
For example, if pLanguages is updated with the value 4, there are four text languages / language blocks. Since the Index parameter of the functions listed above is zero-based, the possible values for the Index parameter is 0 - 3.
For more detailed information, refer to the Microsoft documentation for IDvdInfo2::GetDVDTextNumberOfLanguages.
Win32, x64.
| Language | Example |
|---|---|
| C | IltmmDVDControl::GetButtonAtPosition |
| C++ | IltmmDVDControl::GetButtonAtPosition |
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