public async Task Fill(StorageFolder mainfolder)
{
if (SourcePrivate.Count > 0)
{
SourcePrivate.Clear();
}
MainFolder = mainfolder;
IndexedState folderIndexedState = await MainFolder.GetIndexedStateAsync();
if (folderIndexedState == IndexedState.NotIndexed || folderIndexedState == IndexedState.Unknown)
{
//Only possible in indexed directories.
}
else
{
//this method only works for indexed stuff ( known folders only )
//For More Details visit https://blogs.msdn.microsoft.com/adamdwilson/2017/12/20/fast-file-enumeration-with-partially-initialized-storagefiles/
await FillUpFolders();
FillAds();
await FillUpFiles();
}
}
public async Task <List <ImageFile> > GetImageFiles(StorageFolder folder)
{
// https://docs.microsoft.com/en-us/windows/uwp/files/fast-file-properties
Windows.Storage.AccessCache.StorageApplicationPermissions.FutureAccessList.AddOrReplace("PickedFolderToken", folder);
IndexedState folderIndexedState = await folder.GetIndexedStateAsync();
if (folderIndexedState == IndexedState.NotIndexed || folderIndexedState == IndexedState.Unknown)
{
return(null);
}
QueryOptions picturesQuery = GetPicturesQuery(folder);
List <ImageFile> imageFiles = await GetPicturesQueryResult(folder, picturesQuery);
return(imageFiles);
}
