Gets subpicture stream default language as String.

function Info_DVD_Subpicture_DefaultLanguageS: WideString;

__fastcall BSTR Info_DVD_Subpicture_DefaultLanguageS();

public String Info_DVD_Subpicture_DefaultLanguageS();

Public Function Info_DVD_Subpicture_DefaultLanguageS() As String

public string Info_DVD_Subpicture_DefaultLanguageS();

BSTR Info_DVD_Subpicture_DefaultLanguageS();

Info_DVD_Subpicture_DefaultLanguageS