IltmmDVDControl::get_DVDTextNumberOfLanguages

Summary

Retrieves the number of text languages for the current DVD or disc side.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmDVDControl_get_DVDTextNumberOfLanguages(pDVD, pVal)
C++ HRESULT get_DVDTextNumberOfLanguages(pVal)

Parameters

IltmmDVDControl *pDVD

Pointer to an IltmmDVDControl interface.

long *pVal

Pointer to a variable that receives the number of text languages.

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

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.

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.