Adds the DirectShow filter to the black list.

procedure DirectShow_Filters_Blacklist_Add(filter: WideString);

__fastcall DirectShow_Filters_Blacklist_Add(BSTR filter);

public DirectShow_Filters_Blacklist_Add(String filter);

Public Sub DirectShow_Filters_Blacklist_Add(filter As String)

public DirectShow_Filters_Blacklist_Add(string filter);

DirectShow_Filters_Blacklist_Add(BSTR filter);

DirectShow_Filters_Blacklist_Add

public DirectShow_Filters_Blacklist_Add($filter);