1 #pragma once 2 3 class FilterHelper 4 { 5 public: 6 static wstring GetAudioFileFilter(); 7 static wstring GetLyricFileFilter(); 8 static wstring GetSF2FileFilter(); 9 static wstring GetListenTimeFilter(); 10 // 获取打开播放列表对话框的filier 11 static wstring GetPlaylistSelectFilter(); 12 // 获取播放列表另存为的filier 13 static wstring GetPlaylistSaveAsFilter(); 14 static wstring GetImageFileFilter(); 15 16 private: 17 static wstring BulidExtFilter(const vector<wstring>& ext_list); 18 19 }; 20 21